S7 edge bricked (i think) watchdog reset - Android Q&A, Help & Troubleshooting

Hey Guys,
So recently I have been getting a random error where my phone runs into a black screen with something written on it (see the pic). But yesterday I was just watching a video on YouTube and the phone suddenly froze and again went to that screen. Normally I would do a Volume Down + Power Button restart,but now the phone is completely unresponsive. Nothing is showing up, I mean literally as if it is bricked. I have never made any changes to the firmware and I have never rooted my phone. Please help me, Most of you would tell me to go to customer service,but they would probably wipe the data,and my phone has some really important footage of my holidays. Can you suggest me anything that won't wipe my data?

u_Adi said:
Hey Guys,
So recently I have been getting a random error where my phone runs into a black screen with something written on it (see the pic). But yesterday I was just watching a video on YouTube and the phone suddenly froze and again went to that screen. Normally I would do a Volume Down + Power Button restart,but now the phone is completely unresponsive. Nothing is showing up, I mean literally as if it is bricked. I have never made any changes to the firmware and I have never rooted my phone. Please help me, Most of you would tell me to go to customer service,but they would probably wipe the data,and my phone has some really important footage of my holidays. Can you suggest me anything that won't wipe my data?
Click to expand...
Click to collapse
It may be a hardware problem, read this forum, but it's in french: http://www.galaxys-team.fr/viewtopic.php?t=49038

Daamn finally someone replied to this issue. Thanks a lot. I went through the page,the guy had to replace his Modem and Electronic Board I think. I don't know what they would replace in my device. I have soo many photos in that phone...By any chance they could be saved?

u_Adi said:
Hey Guys,
So recently I have been getting a random error where my phone runs into a black screen with something written on it (see the pic). But yesterday I was just watching a video on YouTube and the phone suddenly froze and again went to that screen. Normally I would do a Volume Down + Power Button restart,but now the phone is completely unresponsive. Nothing is showing up, I mean literally as if it is bricked. I have never made any changes to the firmware and I have never rooted my phone. Please help me, Most of you would tell me to go to customer service,but they would probably wipe the data,and my phone has some really important footage of my holidays. Can you suggest me anything that won't wipe my data?
Click to expand...
Click to collapse
Hi, for data I'm not sure but you can try this in order to go in to the Download mode and then Use Smart Switch to Flash your OS.
https://youtu.be/IRJ2CAgWKyc

I had this once... It's due to flashing a wrong rooting method.
Go to download mode and reflash the whole official rom again.
If you want to root you should flash twrp then flash a SuperSU package or magisk depending upon your preference and need.

I have never rooted my phone bro. I use Samsung Pay on a regular basis so I don't plan on rooting. Also I never flashed any custom rom to the phone.

Teddy Lo said:
Hi, for data I'm not sure but you can try this in order to go in to the Download mode and then Use Smart Switch to Flash your OS.
https://youtu.be/IRJ2CAgWKyc
Click to expand...
Click to collapse
Hello! Thanks a lot for this link. When I first faced this issue,I was like wtf am I the only one who is facing this issue? Then I opened your link and I found all sorts of videos showing the same problem as mine. So this is something related to bootloader eh? I wonder how i got into this situation as I have never rooted or flashed anything to my phone. But the sad part is that it looks like I will be loosing all my data. Damn. Had this phone for so long man. So sad.

Well then how did you brick your phone? There simply isn't any way you could brick it by just using it as Samsung phones aren't easily brickable.

Man i am literally telling. A few months back I got a screen replacement done to the phone because it was showing black bands on the screen. It was under warranty back then, But after I got the phone this bootloader exception started showing up.I shrugged it off like some random error.., But 2 days ago I was coming back from my vacation and was watching a YouTube video..Then suddenly the phone froze completely and became completely dead. As I write this comment,I received a call from the customer service and they are telling me that the motherboard needs to be replaced. It's gonna cost me more than 200 dollars (15,000 INR). Man **** Samsung. I ain't gonna do that replacement now,I can't spend any more on this phone. My mom has got a note8 last month and I am afraid of something similar happening to it too. I will use the S3 from which my mom transferred to the Note8 and hopefully would be able to save up to buy a one plus 5 or 3t.

Man the motherboard doesnt need to be replaced. They said the same thing to me. I went back home and I switched my phone to download mode after I downloaded the phone firmware again on my laptop then I used Odin to flash the firmware. My phone came back to normal but the only problem is you will lose your data.

hooddurazi said:
I had this once... It's due to flashing a wrong rooting method.
Go to download mode and reflash the whole official rom again.
If you want to root you should flash twrp then flash a SuperSU package or magisk depending upon your preference and need.
Click to expand...
Click to collapse
hooddurazi said:
Man the motherboard doesnt need to be replaced. They said the same thing to me. I went back home and I switched my phone to download mode after I downloaded the phone firmware again on my laptop then I used Odin to flash the firmware. My phone came back to normal but the only problem is you will lose your data.
Click to expand...
Click to collapse
OMG really? I knew there's no f**k**g way that the motherboard needs to be replaced. I will do the same. F**k the data,I need to get that phone up and running. But the problem is the phone doesn't respond to anything man,Volume Down +Power Button doesn't work or any of those combinations where you press certain buttons together.. I can't put it into download mode. Nothing works. You have any way to get the phone into download mode?

u_Adi said:
OMG really? I knew there's no f**k**g way that the motherboard needs to be replaced. I will do the same. F**k the data,I need to get that phone up and running. But the problem is the phone doesn't respond to anything man,Volume Down +Power Button doesn't work or any of those combinations where you press certain buttons together.. I can't put it into download mode. Nothing works. You have any way to get the phone into download mode?
Click to expand...
Click to collapse
Can u Please Check for the integrity of your micro usb cable that you charge your phone with.
Try draining your phone then charging it.
In my case the same thing have happened, i wasnt able to get into download mode at first until i found out that my charge was depleted and i needed to charge and that my micro usb cable was broken (Samsung's official cable is ****) so then i used a unused note 4 charger with fast charging capabilities.

u_Adi said:
OMG really? I knew there's no f**k**g way that the motherboard needs to be replaced. I will do the same. F**k the data,I need to get that phone up and running. But the problem is the phone doesn't respond to anything man,Volume Down +Power Button doesn't work or any of those combinations where you press certain buttons together.. I can't put it into download mode. Nothing works. You have any way to get the phone into download mode?
Click to expand...
Click to collapse
My friend , Samsung Company said that you need to replace mainboard ? You know what is there point, they don't make phone's perfect because if they make them perfect people will not by another phone , so may think is that they made phones to work for example 1 -2 or 3 years just for reason to put the same custumers to buy from them again phones and is not just Samsung Company , Apple also , Sony ,etc ... So you must to know that nothink is perfect.
That is not happening just to you here is my experience:
1. Samsung Galaxy S6 brend new was working fine few days until Update now the problem after update was burning+ghosting issue on LCD.
2. Samsung Galaxy S5 was bought new after I thing one or almost two year it come some problem with sound for example when I play some video on YT sound come normaly for few second as I remember and then is cutted , and also after update to new OS again that burning+ghosting issue on LCD.
3. My brother has bought brend new S7 Edge , and he use him I think maybe for one week and for no reason was totally stuck on home screen , can't turn Off , touch not response , no recovery , no response to any button . So I hold little bit more buttons and I think was Rebooted and after that was working fine .
4. Samsung Galaxy S6 Egde + also was bought new , after more than one and half year my son-in-law was talking on cell phone and for no reason the phone turns off completely , he tell be that he has enough power on battery but still he put the phone on charger , tried kombination with keys , nothing worked so he bring thee phone to some Service store and they say to him that mainboard is problem . So hi bring to me that phone to see if is battery dead and so , but battery was okay the mainbord has some problem (Dead bootloader) .
5. Iphone 6 Plus 128 GB used one and half year was old when I buyed for my brother , he use I think 2 or 3 months I'm not sure and the problem became that battery is drying very fast .
So the point of all this is better is to have one normal cell phone than 100 trash of new phones.

Teddy Lo said:
My friend , Samsung Company said that you need to replace mainboard ? You know what is there point, they don't make phone's perfect because if they make them perfect people will not by another phone , so may think is that they made phones to work for example 1 -2 or 3 years just for reason to put the same custumers to buy from them again phones and is not just Samsung Company , Apple also , Sony ,etc ... So you must to know that nothink is perfect.
That is not happening just to you here is my experience:
1. Samsung Galaxy S6 brend new was working fine few days until Update now the problem after update was burning+ghosting issue on LCD.
2. Samsung Galaxy S5 was bought new after I thing one or almost two year it come some problem with sound for example when I play some video on YT sound come normaly for few second as I remember and then is cutted , and also after update to new OS again that burning+ghosting issue on LCD.
3. My brother has bought brend new S7 Edge , and he use him I think maybe for one week and for no reason was totally stuck on home screen , can't turn Off , touch not response , no recovery , no response to any button . So I hold little bit more buttons and I think was Rebooted and after that was working fine .
4. Samsung Galaxy S6 Egde + also was bought new , after more than one and half year my son-in-law was talking on cell phone and for no reason the phone turns off completely , he tell be that he has enough power on battery but still he put the phone on charger , tried kombination with keys , nothing worked so he bring thee phone to some Service store and they say to him that mainboard is problem . So hi bring to me that phone to see if is battery dead and so , but battery was okay the mainbord has some problem (Dead bootloader) .
5. Iphone 6 Plus 128 GB used one and half year was old when I buyed for my brother , he use I think 2 or 3 months I'm not sure and the problem became that battery is drying very fast .
So the point of all this is better is to have one normal cell phone than 100 trash of new phones.
Click to expand...
Click to collapse
pls stop with the conspiracy theories

u_Adi said:
OMG really? I knew there's no f**k**g way that the motherboard needs to be replaced. I will do the same. F**k the data,I need to get that phone up and running. But the problem is the phone doesn't respond to anything man,Volume Down +Power Button doesn't work or any of those combinations where you press certain buttons together.. I can't put it into download mode. Nothing works. You have any way to get the phone into download mode?
Click to expand...
Click to collapse
To put your phone in download mode you can try with Jig USB but I think that will not work on new devices.
Here is Jig USB how it looks like
https://i.ytimg.com/vi/7w5sbsuRouQ/maxresdefault.jpg
https://i.ebayimg.com/images/g/YUcAAOSwNSxVPA0f/s-l300.jpg
hooddurazi said:
pls stop with the conspiracy theories
Click to expand...
Click to collapse
Dude , first at all I say what is my experience and I didn't say that I'm 100% sure but so read carefully before judging someone .

Teddy Lo said:
To put your phone in download mode you can try with Samsung 300K Tool there is also Jig USB but I think that will not work on new devices.
Here is Samsung 300k Tool and how to use.
Samsung 300k tool: https://drive.google.com/drive/folders/0B5-lnhfM8xjvSTREUVNBWGRpaFU
How to use : https://www.youtube.com/watch?v=2er95HkiJbo
Here is Jig USB how it looks like
https://i.ytimg.com/vi/7w5sbsuRouQ/maxresdefault.jpg
https://i.ebayimg.com/images/g/YUcAAOSwNSxVPA0f/s-l300.jpg
---------- Post added at 02:41 PM ---------- Previous post was at 02:38 PM ----------
Dude , first at all I say what is my experience and I didn't say that I'm 100% sure but so read carefully before judging someone .
Click to expand...
Click to collapse
Sorry mate..... My bad
But this Jig thing seems new to me i am curious.
---------- Post added at 04:08 PM ---------- Previous post was at 03:43 PM ----------
hooddurazi said:
Sorry mate..... My bad
But this Jig thing seems new to me i am curious.
Click to expand...
Click to collapse
Teddy, Reported......
Your file contains a virus.
Do not DOWNLOAD!
---------- Post added at 04:09 PM ---------- Previous post was at 04:08 PM ----------
hooddurazi said:
Sorry mate..... My bad
But this Jig thing seems new to me i am curious.
Click to expand...
Click to collapse
Teddy, Reported......
Your file contains a virus.
Do not DOWNLOAD!
---------- Post added at 04:09 PM ---------- Previous post was at 04:09 PM ----------
hooddurazi said:
Sorry mate..... My bad
But this Jig thing seems new to me i am curious.
Click to expand...
Click to collapse
Teddy, Reported......
Your file contains a virus.
Do not DOWNLOAD!

hooddurazi said:
Can u Please Check for the integrity of your micro usb cable that you charge your phone with.
Try draining your phone then charging it.
In my case the same thing have happened, i wasnt able to get into download mode at first until i found out that my charge was depleted and i needed to charge and that my micro usb cable was broken (Samsung's official cable is ****) so then i used a unused note 4 charger with fast charging capabilities.
Click to expand...
Click to collapse
I don't think my cable is faulty or something,but I would give it a try. Also when I place my phone on the Official Samsung Wireless charing pad,the blue light on the charger turns on telling that it's actually charging,but the phone doesn't respond to anything..it's just like a brick.

hooddurazi
Teddy said:
Hi , first that is not my file and I find that link on the internet , If I know that file contains virus I will not for sure share that file. I was using that tool and Anty-Malware doesn't detect him as Virus ? Strange ??? Maybe the guy who posted that link has do something I don't know. Anyway soon I deleted link from post.
Click to expand...
Click to collapse

a quick scan with virustotal shows this https://www.virustotal.com/#/file/5...609f809a690b1b493eeda1eb9ccd1ed816a/detection
I personally would let people to decide what they want to do , basically lot of similar tools throws such security alerts due to adb root permissions which might be detected as threats

Related

[Q] help bricked/dead phone

My friends just bought s2 for 5 days and didnt do any mods on it. So can say his phone is still a virgin. And suddenly this morning his phone can not turn on. Cant get into download/recovery mode. Hold down power button for 10seconds also no use. Is it using Jig is the only way to save his phone beside using warranty?
Obvious one first - sure the battery is charged?
Sounds daft, but seen it happen (and done it myself )
B3311 said:
Obvious one first - sure the battery is charged?
Sounds daft, but seen it happen (and done it myself )
Click to expand...
Click to collapse
Yes the battery is fully charged
You say "no mods" so why would you think about using a jig?
idi0t said:
My friends just bought s2 for 5 days and didnt do any mods on it. So can say his phone is still a virgin. And suddenly this morning his phone can not turn on. Cant get into download/recovery mode. Hold down power button for 10seconds also no use. Is it using Jig is the only way to save his phone beside using warranty?
Jig will only boot to download mode once in download mode its a question of flashing a stock Samsung rom.
5 days old no contest return to seller .
jje
Click to expand...
Click to collapse
Maybe a jig will work, but there's no backup to reflash.. I'm still jigless, there are many better qualified here than me, but I'm pretty sure a jig won't help if the phone is 100% hardbricked.
Anything at all happen when connected via USB to pc? Again, doubtful it will work, but worth a try
Sounds like a major hardware failure - I'd send it back pronto.
Edit - jj beat me too it. Is the phone new or second hand?
What i mean no mod is everything still running stock firmware original from factory. No roots etc. Nothing happened when attached to computer/laptop using cable data. I also guess its a hardware failure.
Anyways thank you all very much for all the infos. Guess my friend have to use his warranty. Never used my warranty although my phone counter already reached 70 hehehe
what i did when this hapened to me was charged it for couple hours plugged it into pc left it a few mins unplugged re-tried the same thing over and over and eventually pc gave me the connection sound which put a smile on my face which then booted into download mode and flashed stock rom through odin, if that fails to work then get it sent back to seller if it hasnt been flashed modded then a return and exchange/repair wont be a problem at all
idi0t said:
What i mean no mod is everything still running stock firmware original from factory. No roots etc. Nothing happened when attached to computer/laptop using cable data. I also guess its a hardware failure.
Anyways thank you all very much for all the infos. Guess my friend have to use his warranty. Never used my warranty although my phone counter already reached 70 hehehe
Click to expand...
Click to collapse
Just a question: How is the phone going to get bricked if you didn't do absolutely anything flashing related? Just give it back to the shop and get a new one if it's faulty, before it's too late. Also, maybe the battery was faulty and died; have you tried with another battery?
iamsloany said:
what i did when this hapened to me was charged it for couple hours plugged it into pc left it a few mins unplugged re-tried the same thing over and over and eventually pc gave me the connection sound which put a smile on my face which then booted into download mode and flashed stock rom through odin, if that fails to work then get it sent back to seller if it hasnt been flashed modded then a return and exchange/repair wont be a problem at all
Click to expand...
Click to collapse
Thx alot for your info. Will ask my friend to try it.
Astrofrigo said:
Just a question: How is the phone going to get bricked if you didn't do absolutely anything flashing related? Just give it back to the shop and get a new one if it's faulty, before it's too late. Also, maybe the battery was faulty and died; have you tried with another battery?
Click to expand...
Click to collapse
Its my friend's phone. Not mine. So i really dunno what happened. Not yet try with other battery.
Easy fix.....send it back!
Assuming it has warranty.
Sent from my GT-I9100T

Accidently Hard Bricked SGS2

Hi all, im new to this android rooting stuff, i have jailbroken many apple devices, but im a big noob with rooting.
ill start from the start, i rooted my samsung galaxy s2 (I9210T) the other day with a stock ROM, using Odin and what not, it worked, no issues, but some non-market apps werent working but because of the stock ROM. So i followed a link that led me to "XDA"
In a hurry to root my phone with a custom ROM, i accidentally used a rom made for the I777, it booted and it all worked, just not the touch buttons at the bottom, (obviously), so again i downloaded a new ROM to get these buttons to work, and thinking im smart, i thought i could skip a step, and instead of flashing the phone again with odin, i loaded the clockwork recovery, and loaded this new ROM, without unloading the other thinking it would work, rebooted it, BUT it didnt reboot, it wont stay on, attempting to get into recovery is futile, and the phone is completely unresponsive, the computer makes the USB connection noises everytime i plug it in and take it out, but thats it, i do realise what ive done is completely idiotic and stupid, but is there anyway possible to recover my phone without having to take it in, or get a JTAG done?
Thanks to anyone who has a solution.
Citrus94 said:
Hi all, im new to this android rooting stuff, i have jailbroken many apple devices, but im a big noob with rooting.
ill start from the start, i rooted my samsung galaxy s2 (I9210T) the other day with a stock ROM, using Odin and what not, it worked, no issues, but some non-market apps werent working but because of the stock ROM. So i followed a link that led me to "XDA"
In a hurry to root my phone with a custom ROM, i accidentally used a rom made for the I777, it booted and it all worked, just not the touch buttons at the bottom, (obviously), so again i downloaded a new ROM to get these buttons to work, and thinking im smart, i thought i could skip a step, and instead of flashing the phone again with odin, i loaded the clockwork recovery, and loaded this new ROM, without unloading the other thinking it would work, rebooted it, BUT it didnt reboot, it wont stay on, attempting to get into recovery is futile, and the phone is completely unresponsive, the computer makes the USB connection noises everytime i plug it in and take it out, but thats it, i do realise what ive done is completely idiotic and stupid, but is there anyway possible to recover my phone without having to take it in, or get a JTAG done?
Thanks to anyone who has a solution.
Click to expand...
Click to collapse
well first sorry for ur present state ma8, if ur phone is not able to get into dwnld mode than its really difficult to do anything except for a JTAG done
just try using the three button combo Vol dwn + home + pwr butt and check for dwnld mode if u find success then flash a stock rom and u will get out of the situation
yeah, ive tried that so many times, too many to count, but, when doing it while its plugged into my computer, it makes the "USB disconnected" noise, which is weird.
i dont know where i can get a JTAG done, as i only recently saw it, not looked into it, im assuming phone repair shops do them? or can samsung do them even if the warruntee is voided, would they do it for a price? :s
Citrus94 said:
yeah, ive tried that so many times, too many to count, but, when doing it while its plugged into my computer, it makes the "USB disconnected" noise, which is weird.
i dont know where i can get a JTAG done, as i only recently saw it, not looked into it, im assuming phone repair shops do them? or can samsung do them even if the warruntee is voided, would they do it for a price? :s
Click to expand...
Click to collapse
the samsung people will defenetly do it, please check the same with them regarding the price etc
Citrus94 said:
yeah, ive tried that so many times, too many to count, but, when doing it while its plugged into my computer, it makes the "USB disconnected" noise, which is weird.
i dont know where i can get a JTAG done, as i only recently saw it, not looked into it, im assuming phone repair shops do them? or can samsung do them even if the warruntee is voided, would they do it for a price? :s
Click to expand...
Click to collapse
as u said u hear the usb connection sound when u connect ur phone
try using a usb jig
there may b chances of getting the phone in download mode
u can buy a usb jig from ebay
Sun90 said:
the samsung people will defenetly do it, please check the same with them regarding the price etc
Click to expand...
Click to collapse
well ill see about travelling into town after i find the price then, just hopefully it doesnt take long, will be away in a week :S
Thanks anyway sun90, just need to make sure there was nothing that can be done first, definately wont be making that mistake again LOL
neerajganga said:
as u said u hear the usb connection sound when u connect ur phone
try using a usb jig
there may b chances of getting the phone in download mode
u can buy a usb jig from ebay
Click to expand...
Click to collapse
that actually might work!! hope it does, atleast the jigs are cheap, orded one off ebay, should be here soon..... fingers crossed.
Erm, jig might help, but sounds like you've flashed a bad bootloader. Or a good bootloader, if you've got a I777. On the bright side, you've now got a really attractive paper weight. People will think your incredibly rich when you throw around a Galaxy S II just you just don't give a ****. Next time you're at a club single out the sluttiest girl there, go up to her and ask if she will have sex with you for a Galaxy S II, tell her the phone is out of battery, then go and do your business. When you hand over the phone make sure you are confident and humorous about it, give her a charging cable to make it look super legit. Oh and you should probably be wearing a balaclava throughout the whole process, you don't want her seeking revenge when she knows she's been used.
postfatal said:
Erm, jig might help, but sounds like you've flashed a bad bootloader. Or a good bootloader, if you've got a I777. On the bright side, you've now got a really attractive paper weight. People will think your incredibly rich when you throw around a Galaxy S II just you just don't give a ****. Next time you're at a club single out the sluttiest girl there, go up to her and ask if she will have sex with you for a Galaxy S II, tell her the phone is out of battery, then go and do your business. When you hand over the phone make sure you are confident and humorous about it, give her a charging cable to make it look super legit. Oh and you should probably be wearing a balaclava throughout the whole process, you don't want her seeking revenge when she knows she's been used.
Click to expand...
Click to collapse
As funny as what you said is XD i dont think telstra will be too happy that im using my phone to get with chicks, maybe after the 24 months is up XD
funny stuff just happened, i sent my phone away to get fixed, and it took them two weeks +
way too long, and when i got it back, i didnt have to pay, and this is what the samsung team did, as follows: Removed and replaced LCD screen with a new one, removed and replaced FPCB, checked main PCB, software upgraded, cleaned contacts, re-aligned connectors, reset to manufacturers specifications.
in other words, thanks to my Jig i bought off ebay, THEY DIDNT HAVE A CLUE WTH HAPPENED WITH IT!, but far out, what a repair eh?
Take a look at this, they can resurrect hard bricked phones:
http://forum.xda-developers.com/showthread.php?t=1429491
The total price is about £40 I think, hopefully it can be fixed! good luck!

Bricked phone after flashing latest CWM + GAPPS?

Hello everybody.
I was using the first "official" JB leak (the Polish one, I don't remember which one it was). I've being used it for a while, with no problems.
Yesterday, I saw that Faryabb had posted a new version of the GAPPs. Since I wanted the "pinch to zoom" thing in Gmail, I did the following:
- Installed ROM Manager
- Installed CWM from ROM Manager
- Installed CWM Touch on top of that using ROM Manager
- Flashed the GAPPs using CWM.
The phone booted and did it "Updating 37 of 216 apps" or something like that. Everything seemed fine ('though I was mistaken, this version of Gmail didn't have pinch to zoom either).
Anyway, this morning I reached for my phone and it's off. It won't turn off even after pressing any combination of VolUp+Home+Power or VolDown+Home+Power.
I've tried pulling the battery, waiting for a couple of minutes and putting it in again, with no luck.
I'm starting to get "a little bit" worried. Does anybody have any idea of what may have happened?
Thanks in advance.
Edit: When I plug in the phone, the LED does nothing. It doesn't turn on at all.
Try find another battery and test it. If still no response, send back to service centre.
Sent from my GT-I9300 using xda app-developers app
f first thing,, make sure battery is charged, sounds stupid, but it happens
Try using usb jig..it might work...
and yeah charge battery just in case..
Thanks for all your answers.
Battery was at 50% when I went to bed. And it doesn't charge when I plug in the phone.
Anyway, I'll try to buy a new battery and see if it works.
I don't own an USB JIG. However, having read about it, it seems that it won't help with a hard brick (like the one I seem to have).
"bit worried"
reycat said:
Thanks for all your answers.
Battery was at 50% when I went to bed. And it doesn't charge when I plug in the phone.
Anyway, I'll try to buy a new battery and see if it works.
I don't own an USB JIG. However, having read about it, it seems that it won't help with a hard brick (like the one I seem to have).
Click to expand...
Click to collapse
Hi All,
I have the same problem. I am using Omega 27.2 and latest syiah kernel. I tried to dual boot with rom supernexus. Everything was fine when I went to bed. But in the morning I was not able to switch the phone on. I tried new battery, nothing. I tried to charge both batteries, nothing. I tried to press buttons for download mode, nothing. Iam really worried about it now. Please help.
Friend have USB JIG so I will try it tomorrow and let you know. But still if you have anything else, let us know.
Thank y ou
one last ditch attempt before the jig
Make sure your phone is charged
Try long press power button (10 second+)
That's all I can think of right now
Thanks again.
Since it seems that the phone isn't charging the battery, I've just bought an Extra Battery Kit + Charger and I'm charging the extra battery with the charger. When it has a full charge I will put that battery in and try everything you've recommended.
USB Jig will only enable the phone to boot to download mode if the buttons dont work .
As its small cost always worth a try with no warranty phones .
My guess ROM Manager is the problem
CWM
Not compatible with ROM Manager ! Use the CWM Manager provided instead (installed by CF-Root automatically)
jje
Well spotted jj, I missed that he had used Rom manager
reycat said:
Thanks again.
Since it seems that the phone isn't charging the battery, I've just bought an Extra Battery Kit + Charger and I'm charging the extra battery with the charger. When it has a full charge I will put that battery in and try everything you've recommended.
Click to expand...
Click to collapse
@reycat
Try it, but I have changed battery for the reserved one which was fully charged and nothing happend.
@all
any other tips to bring our phones back to life?
I have backup, but I can not do anything with it because I can not switch on the phone (
Thank you
---------- Post added at 10:59 AM ---------- Previous post was at 10:56 AM ----------
slaphead20 said:
Well spotted jj, I missed that he had used Rom manager
Click to expand...
Click to collapse
But I didnt used Rom manager and have the same problem.
Why it happend overnight?
JJEgan said:
USB Jig will only enable the phone to boot to download mode if the buttons dont work .
As its small cost always worth a try with no warranty phones .
My guess ROM Manager is the problem
CWM
Not compatible with ROM Manager ! Use the CWM Manager provided instead (installed by CF-Root automatically)
jje
Click to expand...
Click to collapse
Ooops. And, if that were the case, what should I do to fix it? (if possible)
Silhaut1 said:
Hi All,
I have the same problem. I am using Omega 27.2 and latest syiah kernel. I tried to dual boot with rom supernexus. Everything was fine when I went to bed. But in the morning I was not able to switch the phone on. I tried new battery, nothing. I tried to charge both batteries, nothing. I tried to press buttons for download mode, nothing. Iam really worried about it now. Please help.
Friend have USB JIG so I will try it tomorrow and let you know. But still if you have anything else, let us know.
Thank y ou
Click to expand...
Click to collapse
Did you have any luck with the USB JIG?
reycat said:
Did you have any luck with the USB JIG?
Click to expand...
Click to collapse
Hi, sorry for delay in response. I didnt have luck with usb jig. Phone is dead. I am sending it to samsung service. Hopefully my warranty will not be broken.
Cross your fingers
Lukas
Silhaut1 said:
Hi, sorry for delay in response. I didnt have luck with usb jig. Phone is dead. I am sending it to samsung service. Hopefully my warranty will not be broken.
Cross your fingers
Lukas
Click to expand...
Click to collapse
Thanks for your answer. I bought an USB JIG online but since it's taking longer than expected to arrive, I couldn't wait any longer and sent the phone to Vodafone's repair service.
Let's hope we both are lucky
have you flashed root before recovery?
reycat said:
Thanks for your answer. I bought an USB JIG online but since it's taking longer than expected to arrive, I couldn't wait any longer and sent the phone to Vodafone's repair service.
Let's hope we both are lucky
Click to expand...
Click to collapse
I was. I've my phone back.
In case someone is interested, the diagnosis was "Faulty electric component" and the fix was replacing this:
GH82-06521A-A/S ASSY-PBA MAIN(COMM)GT_I9300
No clue of what it means, just thought I'd copy it here in case it helps someone
reycat said:
I was. I've my phone back.
In case someone is interested, the diagnosis was "Faulty electric component" and the fix was replacing this:
GH82-06521A-A/S ASSY-PBA MAIN(COMM)GT_I9300
No clue of what it means, just thought I'd copy it here in case it helps someone
Click to expand...
Click to collapse
Iam still waiting for my phone, hopefully it will be back next week.
Finger crossed
reycat said:
I was. I've my phone back.
GH82-06521A-A/S ASSY-PBA MAIN(COMM)GT_I9300
Click to expand...
Click to collapse
Thats the main printed board assembly or, in a more common word, the motherboard.
There's an increasing number of these "random brick" stories, including mine this morning. Here's another thread just like this one: http://forum.xda-developers.com/showthread.php?t=1970422

[Q] [PROBLEM] Mainboard of SGS2 isn't working (fried?)

Hi everyone,
I'm writing here cause I've got a really big problem with my lovely Samsung Galaxy S II: the mainboard stopped working.
The really big problem is that I don't know the real problem.
I have two SGS2, one black and one white. The one with motherboard issues is the black one.
I've tried to put the black's motherboard in the white phone but the phone doesn't turn on, neither with a full charged battery (I have something like 4 or 5 batteries for my Galaxys, so i'm really sure that isn't a battery problem) and neither with the usb jig (again, I'm sure that the jig works cause I've tried it on the white one and it works).
I've also tried to put the white's motherboard into the black phone and everything works well, so the black phone's mainboard is broken.
Here comes the problem: I don't know what it happened to the mainboard to break, the last time I saw my phone alive was when I looked at the time on the phone (I mean lockscreen, you know) and after I looked at it it turned off and never woke up (turn on).
Since my hardware skills are quitly good I tried to have a look at the mainboard itself, but it doesn't look damaged in any way, neither fired.
My first worry is about data, I've did a full backup of my phone 2 or 3 days past the damage but I wanna try to recover the latest data that are still stored on my phone.
I've also thought about order a new motherboard from ebay, but the data is still on the broken one, so it will be unuseful.
I attached to this post also 2 photos of the "broken" mainboard (front and rear, taken with my other Galaxy S2)
Any help will be appriced
Thank you in advance guys, I hope to recover data / fix my phone!
Couple of things:
1) This belongs in Q&A
2) What ROM where you on at the time it went off? What kernel?
3) You could try jTAG, 25-50 bucks.
4) The reason why it would be a guessing game, maybe some nasty Sleep Of Death, like those happening with the SIII.
5) Ask the mods to move this thread.
Sent from the little guy
Thank you gastonw!
I read about the JTAG but didn't understood if I only need the JTAG itself (I mean, this => h t t p : / / w w w . gsm-technology .com/multicom/pimg/sam_i9100_400B.jpg ), or if I also need the RiffBox (what's the difference?)
Anyway, when it turned off the ROM on the phone was CyanogenMod 10.1 - 20130703 - NIGHTLY (obviously i9100)
Sleep of Death? I read about this, and the problem is: how can I determinate if the phone wakes up when I insert battery and Jig? I tought to use a voltmeter, but I really don't know where to place to avoid also short circuits.
About the thing to move the thread, yeah, sorry, I noticed just after I created the post. So, If any mod would read this, please move to Q&A
You can do both as you know your hardware.
Of course the smart choice here is to pay for the service instead of becoming the service by purxhacing the riffbox.
Before you do that hit the download combo without the battery (ask for an extra hand) and re insert it while your still hitting it.
When you plug it, does it get hot near the camera?
Sent from...this is not even my S2
gastonw said:
You can do both as you know your hardware.
Of course the smart choice here is to pay for the service instead of becoming the service by purxhacing the riffbox.
Before you do that hit the download combo without the battery (ask for an extra hand) and re insert it while your still hitting it.
When you plug it, does it get hot near the camera?
Sent from...this is not even my S2
Click to expand...
Click to collapse
Again, thank you gastonw! I tried todo the download combo (VOL DOWN + POWER + HOME) while inserting the battery and nothing happened, near the camera the temperature is the same as before.
Anyway I still didn't understood a thing: could the JTAG operate itself or I need also to buy the Riffbox?
jtag is the service the riffbox (and such) provides.
Sent from the little guy
gastonw said:
jtag is the service the riffbox (and such) provides.
Sent from the little guy
Click to expand...
Click to collapse
I ordered a Riffbox from Ebay (fonefunshop, an official reseller).
I didn't wanted to pay for a service like "send your phone and we'll revive it" because I don't trust them and I don't want my data to be see from others.
Thank you for your support gastonw, I'll let you know when the RiffBox arrives if it works
Please do, if you can get the hang of it you will be able to help other people plus -maybe- get a buck or two
Sent from...this is not even my S2

I cant re-boot into recovery after changing motherboard and then an update.

Hello all,
My first post here and I cant really think of a better place where I might get help beyond the endless trawling through the internets. I have already done. My hair is going even more grey!
I have a problem that I just cant work out.. I have already spent far too many hours trying to find ways to fix. So its best I ask here and maybe someone will know how to fix it.
I have a Note 2. Owned it since new and its been fantastic, does everything I need out of a phone and I want to keep it working. I have no interest in buying a new phone ( nor that I can afford it! )
About 6 weeks ago it died after I had let the battery run flat over night. It just would not turn on. I tried all the internet fixes and nothing worked. Sudden death syndrome I think its called. Fairly common with these I have learned.
I bought a new motherboard from China on Aliexpress. Good feedback from seller. $35. It arrived two weeks ago. I swapped the motherboards and the new one worked. I had to change the phone over to English and re-load my favourite apps, exciting.. just like getting a new phone again
It worked well enough and I was happy. I noted that in the about section, plus in the apps draw, SUPERSU. I looked this up and figured that maybe the main chip had been rooted. Possibly that the motherboard was atually a fixed secondhand one, possibly they use another chipset that needs rooting to work? I don't know but it worked so I left it.
One thing that did annoy me was that when I connected my phone via USB to the laptop (a Samsung) the photo thumbnails would not show up like they used to. I looked this up and it was common. I suggested fix was to look for phone updates on Kies.
Then about 4 days ago I decided to install Samsung Kies onto my computer and update the phone. It said there were updates to install and I clicked go.
I went through the process and it all looked good until when the update process said it had finished. Then the phone just started to flash the Samsung symbol on and off, spaced every two seconds. Bugger!
So I tried a recovery mode on kies, that did not work. I tried booting into recovery (all three keys, volume up) and it does nothing at all. Samsung just keeps flashing on and off. I have tried everything!
However- it will boot into download mode so I have tried reloading the correct Samsung firmware back on with Odin three, several times! Everytime when it re-boots it just flashes. Cant get into recovery.
This is now where I am at. I want to know how to get into recovery via my PC. Maybe through some program. But I don't know how. I'll happily load on a new ROM but not sure which and most seem to need me to be able to change some settings within the phone first...which I cant obviously do. I have looked into Omegadroid and Lineage which both appeal. But there seems to be no way I can load them on from where I am at with this phone.
I am hoping that there some sort of program I can use to 'hard re-set' or wipe the phone completely start again?
Any help and suggestions very welcome. I am not at all adept at programming so keep it all in laymans terms (I have already learned so much in the last few days that my brain might well explode!)
Thank you in advance,
Alex
yoeddynz said:
I bought a new motherboard from China on Aliexpress. Good feedback from seller. $35. It arrived two weeks ago. I swapped the motherboards and the new one worked. I had to change the phone over to English and re-load my favourite apps, exciting.. just like getting a new phone again
Click to expand...
Click to collapse
Hi Alex, Welcome to XDA-Developers!
It sounds like your Note needs a full wipe indeed. But first, I wouldn't have used AliExpress if I were you! These Chinese shops cannot be trusted when it comes to spare parts.
It worked well enough and I was happy. I noted that in the about section, plus in the apps draw, SUPERSU. I looked this up and figured that maybe the main chip had been rooted. Possibly that the motherboard was atually a fixed secondhand one, possibly they use another chipset that needs rooting to work? I don't know but it worked so I left it.
Click to expand...
Click to collapse
It's very possible that the mother was a second hand one. So, so it might have been rooted by the last owner.
However- it will boot into download mode so I have tried reloading the correct Samsung firmware back on with Odin three, several times! Everytime when it re-boots it just flashes. Cant get into recovery.
I am hoping that there some sort of program I can use to 'hard re-set' or wipe the phone completely start again?
Click to expand...
Click to collapse
Actually, this is what Odin software really does. If it fails, I'm afraid you'll have to take it to a repair shop again. Or maybe you can try another firmware. If you can remember the build number that was in "About" section before you flash it with Odin, then we could figure out what you were using in the first place. Perhaps by installing the firmware of that build number, you'll get it to boot.
And oh! The correct recovery mode combination is "HOME + Volume Up + Power Button". You mentioned "All three buttons + Volume Up" (4 buttons ?!), I assume then that you meant "HOME + Volume Down + Power + Volume UP"
Hey thanks for the reply- sorry for the late reply back..
When I plugged it into Kies I had no intention to do anything other than a usual Samsung update so I didnt look up the build number or any other info beforehand.
Well..that is one leasson learned!
Yeah- it was a typo when I said what keys I pressed. In order to try and get into the recovery mode I did indeed press 'home, power and volume up'. But nothing ever happens... the Samsung symbol just keeps on flashing away...mocking me
Is there any other program out there that I could try? I downloaded a program called Z3X Samsung tool. Used for flashing I believe? It installed fine but when activated, with the phone connected in download mode all I got was a prompt saying 'Cant find chip'
yoeddynz said:
Hey thanks for the reply- sorry for the late reply back..
When I plugged it into Kies I had no intention to do anything other than a usual Samsung update so I didnt look up the build number or any other info beforehand.
Well..that is one leasson learned!
Yeah- it was a typo when I said what keys I pressed. In order to try and get into the recovery mode I did indeed press 'home, power and volume up'. But nothing ever happens... the Samsung symbol just keeps on flashing away...mocking me
Is there any other program out there that I could try? I downloaded a program called Z3X Samsung tool. Used for flashing I believe? It installed fine but when activated, with the phone connected in download mode all I got was a prompt saying 'Cant find chip'
Click to expand...
Click to collapse
Hi,
I don't think there is any other tool you can use besides ODIN. The Z3X Software appears to require a flashing hardware (the box). In order to be able to flash your device using this tool, you'll need that box first. So, your best shot right now is to take the phone to a repair center. They often have device flashing hardwares (like the Z3X box) which provide convenient results but ultimately costs few bucks (compared to ODIN which is free if it works for you).
One last explanation to what your device is experiencing is that the motherboard is somewhat not working again. I really don't like this one either, but you can't ignore it. If you had bought it from a local shop or repair center, perhaps they could have assisted you in the current situation or maybe they could have even replaced it with another one.
I hope you'll find a way to revive your Note 2. There isn't much I can suggest anymore right now, as I have moved away from Samsung since 2014 (I owned the Note 2 aswell! Great device at that time).
Nonta72 said:
I hope you'll find a way to revive your Note 2. There isn't much I can suggest anymore right now, as I have moved away from Samsung since 2014 (I owned the Note 2 aswell! Great device at that time).
Click to expand...
Click to collapse
Yeah thanks. I'll try the repair centre in the city next time I visit the big smoke. The phone certainly worked well for me but if its indeed dead, again, all is not lost because things have moved on and its bloody amazing what phones one can get now for half what I paid when I bought the Note 2.
If I get it fixed I'll certainly post up a reply with details just to help add to the info on this thread that might help other Note 2/Samsung owners in a similar way.
yoeddynz said:
Yeah thanks. I'll try the repair centre in the city next time I visit the big smoke. The phone certainly worked well for me but if its indeed dead, again, all is not lost because things have moved on and its bloody amazing what phones one can get now for half what I paid when I bought the Note 2.
If I get it fixed I'll certainly post up a reply with details just to help add to the info on this thread that might help other Note 2/Samsung owners in a similar way.
Click to expand...
Click to collapse
Exactly!
That's the whole spirit of XDA.
Thank you for understanding and good luck. :fingers-crossed:
Ok people of XDA. Here's and update. So I had no luck getting my Note 2 working again. I then bought a brand new Note 4 to see me through and that turned out to be a load of grief too....(Note 4 not liking the Marshmallow update and constantly freezing or rebooting, often every few minutes) oh my. When will the hurting stop?.... but that's another story kids
Anyway- while the Note 4 was out of action I decided I'd better sort the Note 2 out. I ordered another mother board from Aliexpress but before ordering I went through the available board listings, sent the same question off to each seller asking about any potential issues similar to what I have experienced with my current board and waited for replies. The seller that answered with the best reply that gave me some confidence got the sale. Another $35 NZD and this time it actually arrived after about 8 days from ordering.
I fitted the new board and as soon as the phone turned on, changed the language to English and promptly turned auto updates off- just in case.
Its been running perfectly ever since with no problems at all. After the fiasco I have now been having with my Note 4 (which has now been replaced thank fark) using the old Note 2 feels somewhat like jumping from a modern car with all the bells and whistles but too much to go wrong, into a nice old classic that is simplicity itself.
So now I'm off to look for answers on why the hell my Note 4 constantly wants me to download another update just after I have installed the last one.............
Alex

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