[Q] Replacing Motherboard - Galaxy S II Q&A, Help & Troubleshooting

My S2 recently stopped taking charge and I was unable to turn it on at all. Tried the usual stuff, different battery/charger etc and nothing worked. Sent it back to Samsung who noticed it was rooted and told me to do one basically, wanted $400 to repair it because the warranty was void.
They did however tell me that the main board was fried, so got myself a replacement off ebay and have just fitted it but still nothing. Just wondering if I replace the main board with a new one, will I have to re-flash Android somehow? If so, how would I go about doing that? USB Jig?
Thanks in advance!

sounds fishy,
how would they no its rooted if the main board is fried.
but if youre 100$ sure you got a working board, you might have a dead screen or something els thats not working, cause I can power on the board itself, without the screen ..

johanjonker said:
sounds fishy,
how would they no its rooted if the main board is fried.
but if youre 100$ sure you got a working board, you might have a dead screen or something els thats not working, cause I can power on the board itself, without the screen ..
Click to expand...
Click to collapse
Mmm, I don't know about that. He would have heard the boot sound. Also he should be able to connect to a PC.

Sorry, scrap this. I just had a COMPLETE blonde moment. Opened it all up and managed to put in the same faulty motherboard haha! I have no idea how they knew it was rooted by the way, they did though and they were having none of the warranty repair. So bought myself a new motherboard AND the Pro Tech Toolkit off iFixit for half the price Samsung wanted to repair it. So here's a big **** you to Samsung.
In answer to my own question, no you don't need to flash Android to the motherboard, it's already pre-installed.
Thread my be closed if you so wish, solved.

So how much did the total repair come to?.

theunderling said:
So how much did the total repair come to?.
Click to expand...
Click to collapse
Well you could do it a lot cheaper than I did, I went a bit overkill buying that toolkit. http://www.ifixit.com/Tools/Pro-Tech-Toolkit/IF145-072
But the new board cost me about 150 off ebay and the toolkit was 60 so 210 in total.

Nothing wrong with buying that toolkit-will be handy for future.
Strange though how they managed to suss out it was rooted.

Yeah, I have no idea how they managed it. There must, be something at low level that flags it.

Related

Bricked. Cannot unbrick. Im going to cry.

I just bought this thing today.
Get home and install CWM and Root.
Try to install LiquidSmooth.
Now it won't turn on. I plug in to my PC while it's "off" and i hear windows "connected" sound then the "disconnected" sound and repeated "you need to format D: " every 5 seconds.
Tried booting in to recovery and ODIN mode and nothings working.
I seriously was so ****ing excited to get this and now I have a ****ing 5" paperweight.
What the ****.
Brand new phones need to be on the charger for several hours on the first charge. Perhaps you flashed when the battery was too low. Just plug into wall outlet using the factory charger for several hours.
Well I bought it used but it was working when I bought it. It was on stock and I decided it needed jellybean... Now its problems all the way.
I mounts and repeatedly asks to be formatted so my fingers are crossed that its fixable.
I am a long time Note user and I have flashed 20+ times. Recently I flashed LiquidSmooth and it hard bricked my phone too. Exactly the same issues you describe. I had it insured so I took it to Geeksquad(bestbuy) for repair. They simply replaced it.
Looking here today it seems like I could have bought an adapter to get into download mode.
Part 5: De-brick
http://forum.xda-developers.com/showthread.php?t=1586223
Sounds like you may have flashed a version of the rom that was for a different phone. If that is the case and it is showing no signs of life you will most likely need JTAG. mobiletchvideos has a service its about 60 bucks and he has a good reputation.
So apparantly it is easy to make your own jig using simply a microusb connector and 3x100ohm or 1x300ohm resistor. Can get a 5pack of 100ohmers for $1 at radioshack and will find a microusb connector i can solder up and hope for the best.
which liquid smooth rom did u use for the n7000 or i717
imranh101 said:
So apparantly it is easy to make your own jig using simply a microusb connector and 3x100ohm or 1x300ohm resistor. Can get a 5pack of 100ohmers for $1 at radioshack and will find a microusb connector i can solder up and hope for the best.
Click to expand...
Click to collapse
100Kohms not 100.
that is a total 300,000 ohms compared to your 300
Quite the difference
Also the tolerance on certain samsung devices vary so you may need a 1kohm in there as well , i have a captivate I built the jig for that jig also works on my note. Bit on my brother in law's sgs2 (which a jig is supposed to reset the flash counter as well as force dl mode) it does nothing.
But given the symptoms it sounds like you flashed a rom for the international note... I which case a jig will do nothing And bobby's(RQuiett) answer is the only course of action.
Any idea on what AT&T would do if I went to a local store and told them "I bought it off a friend and was using it and there was an OTA update and it just stopped working!"?
Don't do that. You messed up. Take your lump and pay the price for your mistake.
What you are proposing is fraud. Plain and simple.
This is a result of something YOU did, not a flaw or defect in the manufacturing of the hardware nor a result of an official software update, Which aren't even done OTA anyway you have to use kies.
That is what makes carriers and manufacturers want to lock down devices, do you want at&t to go the way of Verizon and force locked bootloaders on every device?
Not to mention... If you "bought it from a friend" they would care less about your problem.
imranh101 said:
Any idea on what AT&T would do if I went to a local store and told them "I bought it off a friend and was using it and there was an OTA update and it just stopped working!"?
Click to expand...
Click to collapse
Just based on the" bought it from a friend" phrase, they'd say "sorry.... you wanna buy a new one?" lol
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Welp... Mobiletechvideos repair is ordered... Will be shipping it out tomorrow... if I ship it out at like 10-11AM tomorrow morning what time do yall think I might get it back? I'm guessing next Monday?
I'm putting money on 4:17 pm Tuesday.
TUESDAY? How damn long does it take for them to open the package plug in a jtag and click a button? Shipping isn't that slow!
imranh101 said:
TUESDAY? How damn long does it take for them to open the package plug in a jtag and click a button? Shipping isn't that slow!
Click to expand...
Click to collapse
Patience. You are purchasing a service from someone who has other orders to fill. Plus no one knows anything about when mobiltechvideos will do the work other than mobiletechvideos.
Obviously a lot longer than it takes to load a rom on a card and brick it.
Sent from my SAMSUNG-SGH-I717 using Tapatalk 2
I read where Samsung is going to start doing something to start making their phones harder to brick and more user friendly for us. They need to do like computer motherboard makers and add a 2nd bios or the likes. People like us do like to play with our phones. So, yes I will be happily making a warranty claim and waiting for my repaired or replaced phone.
I wish mobile motherboards to become like computer boards.
Never go for htc...crap hardware
Sorry. Patience is a bit thin when I've just bought a phone for 250 Then had to pay another 50 and wait a week to use it.
sholsten said:
I read where Samsung is going to start doing something to start making their phones harder to brick and more user friendly for us. They need to do like computer motherboard makers and add a 2nd bios or the likes. People like us do like to play with our phones. So, yes I will be happily making a warranty claim and waiting for my repaired or replaced phone.
Click to expand...
Click to collapse
Are you kidding me dude?
"it's their fault I'm stupid and can't read I have no problems committing fraud and having it fixed on their dime"
They are already pretty hard to brick ff just follow instructions and only flash things built for this device... When trying to make something idiot proof you'll always Just find a bigger idiot.

[Q] Dead s2

Hey guys, sorry for another topic, however I actually do know what is wrong with my phone and know it needs to be JTAG repaired..
however... I was wondering if anyone knew the root cause of this (no pun intended).. I was flashing JellyBam v5.0 (custom [email protected]~) and mid installation, phone froze, powered down and is now bricked. Any reason why it would do that mid install? Battery was 95%+
cheers
rsr1 said:
Hey guys, sorry for another topic, however I actually do know what is wrong with my phone and know it needs to be JTAG repaired..
however... I was wondering if anyone knew the root cause of this (no pun intended).. I was flashing JellyBam v5.0 (custom [email protected]~) and mid installation, phone froze, powered down and is now bricked. Any reason why it would do that mid install? Battery was 95%+
cheers
Click to expand...
Click to collapse
Please state more details. Rom, kernel, modem, odin, cwm, etc
He did. Regardless, none of that info would be relevant/useful in this case anyway, phone's borked.
@OP - Honestly, that's impossible to say. Something hardware related in the phone, something simple like the battery contacts not making a proper connection, something on the PC side even (temporary issue with the connection b/w the PC & phone) ? The possibilities are endless.
Have it looked at by a JTAG repairer & if that can't be done, maybe try and source a motherboard from a donor phone (broken screen or whatever). That will be the cheaper option than having Samsung replace the MB if it can't be JTAG'd, even if you pay a local mobile repair shop to install the 'new' MB (if you're not confident enough to DIY).
seanwong98 said:
Please state more details. Rom, kernel, modem, odin, cwm, etc
Click to expand...
Click to collapse
MistahBungle said:
He did. Regardless, none of that info would be relevant/useful in this case anyway, phone's borked.
@OP - Honestly, that's impossible to say. Something hardware related in the phone, something simple like the battery contacts not making a proper connection, something on the PC side even (temporary issue with the connection b/w the PC & phone) ? The possibilities are endless.
Have it looked at by a JTAG repairer & if that can't be done, maybe try and source a motherboard from a donor phone (broken screen or whatever). That will be the cheaper option than having Samsung replace the MB if it can't be JTAG'd, even if you pay a local mobile repair shop to install the 'new' MB (if you're not confident enough to DIY).
Click to expand...
Click to collapse
Yeah you are right it could be anything happening within the phone without my knowledge, luckily phone was connected to mains when i was flashing using CWM so no problems there, but i don't think i will find the reason why it actually happened as you said the possibilities are endless
I'm trying to get in touch with a place that does JTAG repairs at the moment, however im just scared they say it can't be done. Havent really got the money to fork out for a new MB. I bought the phone second hand last year (april) where i was told it was only 3-4weeks old however had no old purchase details. Is there any way for me to check if the warranty is still valid or does it become void after resale? Thanks
There used to be an online warranty checker on one of Samsung's regional websites (can't remember which, maybe someone else does ?) where you could put the serial number in & get the warranty end date, but I recall people on here saying it either went away or didn't work anymore at some point last year.
But I doubt you'd get warranty service without the original receipt anyway, and even if you had it, I'm not sure the warranty is transferable beyond the original purchaser (Someone else please correct me if they know of cases where the warranty has been honoured regardless, I realise this might vary from country to country).
Unless the phone has physical damage as opposed to the NAND simply being scrambled beyond all recognition which normally happens when a flash goes wrong like that, you'd probably expect it to be JTAG'able.
If it's not, as I said in my PP, a board from a 'donor' phone would be much cheaper to both buy/have installed than paying a Samsung authorised repairer to put a new MB in (apparently they charge in the vicinity of half what a new phone would cost retail).
Edit - Re: getting a 'donor' phone for the MB, here's an example of what I'm talking about; no doubt you'll probably pick one up cheaper, just thought I'd give you an example of what to look for if you end up needing to go down that path.
rsr1 said:
-SNIP-
I'm trying to get in touch with a place that does JTAG repairs at the moment, however im just scared they say it can't be done. Havent really got the money to fork out for a new MB. I bought the phone second hand last year (april) where i was told it was only 3-4weeks old however had no old purchase details. Is there any way for me to check if the warranty is still valid or does it become void after resale? Thanks
Click to expand...
Click to collapse
MistahBungle said:
There used to be an online warranty checker on one of Samsung's regional websites (can't remember which, maybe someone else does ?) where you could put the serial number in & get the warranty end date, but I recall people on here saying it either went away or didn't work anymore at some point last year.
But I doubt you'd get warranty service without the original receipt anyway, and even if you had it, I'm not sure the warranty is transferable beyond the original purchaser (Someone else please correct me if they know of cases where the warranty has been honoured regardless, I realise this might vary from country to country).
Unless the phone has physical damage as opposed to the NAND simply being scrambled beyond all recognition which normally happens when a flash goes wrong like that, you'd probably expect it to be JTAG'able.
If it's not, as I said in my PP, a board from a 'donor' phone would be much cheaper to both buy/have installed than paying a Samsung authorised repairer to put a new MB in (apparently they charge in the vicinity of half what a new phone would cost retail).
Edit - Re: getting a 'donor' phone for the MB, here's an example of what I'm talking about; no doubt you'll probably pick one up cheaper, just thought I'd give you an example of what to look for if you end up needing to go down that path.
Click to expand...
Click to collapse
I think you're right on that one, if i don't even have proof of purchase then I don't think warranty will be valid. Thanks anyway on that behalf. Yeah it is only that one issue nothing else is wrong physically so i am hoping for the best and do believe a JTAG should get me out of this situation without a problem (fingers crossed).
On the topic of a replacement motherboard thank you very much for pointing me in the right direction if JTAG fails. Buying a cheap phone as such is a great idea and taking a working motherboard for a lot cheaper than RRP is wonderful.
Thankyou very much for your input & help ::highfive:
I have the EXACT same problem...
the ivelstre
Simmyen said:
I have the EXACT same problem...
Click to expand...
Click to collapse
It happened to both of us whilst installing JellyBam v5, so surely there must be a problem with the ROM? We encountered the exact same issue 100% and are both left in the same position now due to the ROM
rsr1 said:
It happened to both of us whilst installing JellyBam v5, so surely there must be a problem with the ROM? We encountered the exact same issue 100% and are both left in the same position now due to the ROM
Click to expand...
Click to collapse
I have the exact same problem yeah, but i know a friend of mine who used the same ROM as we did.. it worked for him though
Always try a Jig before JTAG, no harm there.
If warrantu isn't voided, make sure it's really bricked so you can claim it with the "I was updating it via wifi and dropped dead" rutine.
No probs. Just sorry we couldn't be of more help. Best of luck (Hope it ends up being easily JTAG'able for you).
rsr1 said:
-SNIP-
Thankyou very much for your input & help ::highfive:
Click to expand...
Click to collapse

[Q] Sudden death!!

Something very strange, I checked the time on the phone while I was seating on my car, then I came home, and when I sat on my desk the phone was completely off. At first I though it might be an empty battery, so I plugged on the wall charger, but NOTHING happened. I tried the charger on another phone and worked, so the problem was the phone.
Took out the battery, put it back again and tried to enter recovery or download mode, none of them worked. (Even the 4 touch keys don´t light up, exactly like when you try to turn it on without a battery).
I left it charging all the night, and in the next morning, it was all the same.
About the phone
Because of the forum, its obvious that is a sgh-i777 AT&T SGSII. I changed many times of ROM, but I was running a custom one called "Alliance", wich is Touchwiz based and so stable, that I decided to keep it (flashed it maybe 3 months ago).
Regarding the installed apps, I had "RAM Manager", on the "more multitasking" preset, also had "STweaks" on the default profile, a task killer called "Speed Booster", "Next Launcher" and a bunch of games.
About the battery
I went to a store and asked to try a new one, but It didn't worked at all. The guy at the store told me that maybe it was a "Motherboard" (or something like that) issue, so I left the phone there to see if the can fix it, but they didn't have any luck. (I have to admit that it wasn't an official Samsung service center, but a friend's shop, so its probable that they dont know much about this kind of stuff). Besides, if you look closely at the phone, you cant see that the screws were untouched, so it seems that they didnt even try to repair it.
Another important thing is the battery "lifestyle" that I always used with the phone: Usage, from normal to exhaustive during the day and let it charging all night, everyday. I notice some alarming overheating when playin hard games (so hot that I quit playing and put the phone on the floor to make it cooler), this maybe has fried something inside.
I insist in the fact that I dont think that the battery is the problem because It didn't worked with a new one.
Well, the last "strage" thing that may have something to do, is that I plugged the USB cable to a "broken" car charger, causing the car fuse to burn, but I dont know if that could affect the phone somehow. (Notice that this episode ocurred 1 week earlier than the sudden death, so I dont think is a problem...)
So, this is it. Hope you can help me, because I miss my phone quite much (1 week no use...) and I would really love to have it back.
Kind regards,
Francis
P.S.: I took a lot of time writting this, try to be polite and helpful with the answers.
How are you trying to get into download mode?
Sent from my GS4 running CM11 Kandy Kane
In the moment I've tried, I did Vol Down + Power Button
Adb portable in my signature can help reboot you to download mode.
Sent from my SGH-I777 using xda premium
In fact, it didnt worked, because the phone does not react when plugged, so it is not detected by the pc nor ADb. Nice try anyways
If your phone does not respond to battery, computer, or wall charger then it is what is known as a hard brick.
Your device may have been damaged by the car charger as well.
Sent from my SGH-I777 using xda premium
@FranAmestoy,
If you are getting absolutely no response from the phone, and nothing you can do has any effect, then try one last thing (if you haven't already). Pull the battery and leave it out. While holding down both volume buttons, plug in the usb cable. The computer will supply the power. This will put a phone into download mode, but if there is no response to this, then at least you know for sure it is not a battery problem.
There is a difference between "hardware failure" and "hard bricked".
Technically speaking, hard bricked means a firmware problem, usually with the primitive bootloader or the primary bootloader. Such a problem can be fixed using equipment and a technique called jtag, by which the damaged bootloaders are reinstalled. This supposes that the hardware is still functioning correctly.
On the other hand, if the phone has damage to the eMMC memory, or some other hardware failure, then the only remedy is to troubleshoot and repair the hardware. This is perhaps what the technician was suggesting when he said it could be a mother board problem.
Judging from your description of the occurence, it doesn't sound like you did anything that would result in a hard brick. But then I don't know if you actually mentioned everything relevant. In order to find out, you would need to get the phone to a competent technician. The guy who owns Mobile Tech videos is highly respected here. If you wish to pursue getting it repaired, I would suggest that you call him and go over the problem with him, find out his prices, see if he thinks it is worth it, etc.
I have used MTV before and I can say their service was wonderful.
Sent from my SGH-I777 using xda premium
Now this is what I call "help"
I have to say many thanks to creepyncrawly and Red_81 for giving me the kind of answer that I was looking for.
In a few minutes I will try that USB power method, and see what I get.
Regarding your suggestion, I do very appreciatte your kindness and recomendation of where to take the phone to, but my problem is that I bought the phone in the USA, and I live in Argentina, so its way out of my reach to get what you recommend. Anyway, a few minutes from home there is an official Samsung store, that apparently, offers technical assistance, so I will try luck by going there.
For now, I still say you many thanks and I will keep you informed about what I get.
Kind regards,
Francis
Red_81 said:
If your phone does not respond to battery, computer, or wall charger then it is what is known as a hard brick.
Your device may have been damaged by the car charger as well.
Sent from my SGH-I777 using xda premium
Click to expand...
Click to collapse
If the car charger burned down the phone, how can be possible that it continued working during a week before the dropout? I am not saying that's not the problem, but I dont know if there are any relations with so much time in between...
FranAmestoy said:
In the moment I've tried, I did Vol Down + Power Button
Click to expand...
Click to collapse
No, USB + both volume keys
Sent from my Nexus 7 using Tapatalk HD
Donwload also didnt work...
As the title reads, I still dont have any luck.
Guess the final call will be to take it to the technical service T_T
Are those things "fixable"? Will be impossible to get a new phone if I cant sell this...
(Now Im missing it a lot...)
FranAmestoy said:
If the car charger burned down the phone, how can be possible that it continued working during a week before the dropout? I am not saying that's not the problem, but I dont know if there are any relations with so much time in between...
Click to expand...
Click to collapse
Agreed. I think it unlikely, but it is possible.
FranAmestoy said:
Are those things "fixable"? Will be impossible to get a new phone if I cant sell this... (Now Im missing it a lot...)
Click to expand...
Click to collapse
Hard brick repair with jtag would be around US$50.00 plus shipping. Hardware repair would be at least that much in the US unless you can do it yourself. It may be more economical to replace the phone.
When you go to the Samsung store, ask them if it is still under warranty. The phone can be sent to Samsung for repair if they can not do it at the store. I have no idea what that would cost if it is not under warranty. Here in the US we would ship it off to a Samsung repair shop somewhere after talking to them over the phone. But I've never had to do that so I have no idea.
creepyncrawly said:
Agreed. I think it unlikely, but it is possible.
Hard brick repair with jtag would be around US$50.00 plus shipping. Hardware repair would be at least that much in the US unless you can do it yourself. It may be more economical to replace the phone.
When you go to the Samsung store, ask them if it is still under warranty. The phone can be sent to Samsung for repair if they can not do it at the store. I have no idea what that would cost if it is not under warranty. Here in the US we would ship it off to a Samsung repair shop somewhere after talking to them over the phone. But I've never had to do that so I have no idea.
Click to expand...
Click to collapse
Thanks for the ideas, but will be impossible, because I bought the phone through eBay and I dont have the invoice, also the phone is rooted and with a custom ROM (triangle alert appears), so the warranty is "super-voided", no chances at all to get it back to stock (remember he's dead...)
I will cross my fingers to see if the can tell me if the can fix it, and how much would it cost.
My major concern is that the failure became impossible to fix. In that case, what will I do? I just can't offer a dead phone on internet for $2... Obviously I need to make some money from him in order to get a new one... However I still have some faith in the official store
You would likely get more than a few dollars selling it on ebay for parts. The digitizer and other parts are definitely worth something. But of course it's not going to be $200.00. Anyway, good luck. I hope you find it is fixable.

How to know if the MoBo is bricked

Hi!
Sorry for asking again - i had another thread about this subject before thinking this solution to my problem, I think the situation and the question is different, so that0s why I thought, opening a new thread was correct
What happened is that I was enjoying my SGSII with CM 10 and one day it just shut down
I only could enter download mode: When flashing with Odin, Odin would hung and the flashing process never would start.
Finally I tried to flash official 4.0.4 with the repartition option checked.
No download mode no more either....
Needless to say, I got a brick.
Now: Samsung refuses to repair it with the warranty and some online shop says they can repair just the memory module and not all the motherboard: I don't know if the motherboard was broken either.....
The thing is that I wish I knew if the MoBo was the problem before sending the device over to the online shop and getting it back not repaired again... having to pay for the delivery... perhaps for samsung it's easier to just replace all the inside instead of only one compound.... I don't know that....
How can I know if the problem is not the whole motherboard?
Thanks
GFXi0N said:
Hi!
Sorry for asking again - i had another thread about this subject before thinking this solution to my problem, I think the situation and the question is different, so that0s why I thought, opening a new thread was correct
What happened is that I was enjoying my SGSII with CM 10 and one day it just shut down
I only could enter download mode: When flashing with Odin, Odin would hung and the flashing process never would start.
Finally I tried to flash official 4.0.4 with the repartition option checked.
No download mode no more either....
Needless to say, I got a brick.
Now: Samsung refuses to repair it with the warranty and some online shop says they can repair just the memory module and not all the motherboard: I don't know if the motherboard was broken either.....
The thing is that I wish I knew if the MoBo was the problem before sending the device over to the online shop and getting it back not repaired again... having to pay for the delivery... perhaps for samsung it's easier to just replace all the inside instead of only one compound.... I don't know that....
How can I know if the problem is not the whole motherboard?
Thanks
Click to expand...
Click to collapse
I had the same problem not caused by cm but just trying to ged rid of jellybean, no boot, no download, no recovery and not charging anymore
i tought i was screwed by odin because this caused the problem ( also ticked repartition ) brought it to a shop that actually repairs damaged screens and after a couple of days got my phone back with still everything on there wat was on my phone before i bricked it.
Had to pay € 45,- so to me next to nothing compared to bying a new phone.
Well, that's a relieve... I mean, if the Motherboard were broken, I wouldn't even get to download mode... it clearly looked like the fash memory failed.... I hope this guys are right and I can get my phone back..
I need to say Samsungś service sucks!!!! Despite of not being covered by warranty, they had my phone, and i quote "LOST" for almost two months....
I'll update as I get the phone repaired....
Thats why it diddent even cross my mind tpo bring it to a samsung service center, it probally takes a lot longer to get the job done and they would for sure replace the mobo and then say it was broken because i flashed it with a custom firmware, like that wil break the device, morons
So to make sure it was done fast and the proper way i took it to flexiphone and sved my selfe the trouble of getting a lot of bull**** an probally a
high amount of money to pay (because of a warranty void) for a repair that never needed to be done in the first place.
Hope your device has the same problem cause i was depressed missing my righthand, but went home with a smile from ear to ear.
OK, got the phone back, took it to a shop and they say it's not responding to JTAG.....
They will try something else, but it does not look well....
if it's not jtagable then mobo replacement is your only chance to see the little guy booting again.
Sent from the little guy
Ok, I've got a bricked MoBo....
How much would it be to get a new one? I guess it won't be less than 200 euro.... or perhaps new phone directly...
I guess It's goodbye..... farewell, SGSII.... :crying:
Mobo is about 150 - 200.
Sent from the little guy
GFXi0N said:
Ok, I've got a bricked MoBo....
How much would it be to get a new one? I guess it won't be less than 200 euro.... or perhaps new phone directly...
I guess It's goodbye..... farewell, SGSII.... :crying:
Click to expand...
Click to collapse
Orange were selling S2 for about 240 €(or whatever equates to £200) 3 months ago.
Id sell your phone on ebay as you should get at least £100 clear, then that means you could get a brand new phone with warranty for £100 difference, or maybe a good bit less.
Nexus 4 it is!!!

[Q] Hard Bricked I9100

Hi Guys,
I have hard bricked my SGS2 I9100 as .pit file flash failed. Now there is no download/recovery/normal boot. It is completely dead, not detected on any PC by USB/Odin. It gets hot and there is slight vibration while charging. There is no response for USB Jig.
Samsung service center told there is motherboard issue and they don't repair it, they straight away replace it for $150 which I am unwilling to spend now.The phone has gone through the hands of many good technicians but all dismissed the chance of repair saying its an major hardware issue and components are out of stock/ unwilling to do it.
A repairman said he tried to JTAG it but from what he says is that eMMc chip didn't respond to Riff Box. I am not sure whether he correctly tried it on a Riff Box or any other box.
My questions are,
Q1) Should I once again try to JTAG it through other source ? Can any one tell me what's difference does it make to either JTAG it on Riff Box/Medusa/Z3X/GPG & Other Boxes ?
Q2) Does replacing the eMMc flash chip & power IC with new one increases the chances to revive the phone ?
Q3) If I were to replace the IC's from where could I buy it in "India" or should I buy it from aliexpress.com ?
Q4) Are the below IC models correct for I9100:
eMMc Flash IC: KMVYL000LM-B503 or KLMCG8GE2A-A001 (I am unable to
find this chip KLMCG8GE2A-A001 to buy if it is for I9100) source: mobiletechvideos.com
Power IC: MAX8997
Q5) Is there any other method apart from replacing IC's/JTAGGING through which I can repair my I9100 ?
Awaiting your responses. :fingers-crossed:
Long story short - replace the motherboard or buy a new phone.You already tried everything.
Only a few people had successfully replaced the eMMC chip.As it's very hard to do.Resoldering these kind of chips is simply impractical.
TheImpossibleEnemy said:
Long story short - replace the motherboard or buy a new phone.You already tried everything.
Only a few people had successfully replaced the eMMC chip.As it's very hard to do.Resoldering these kind of chips is simply impractical.
Click to expand...
Click to collapse
I agree to your point. But still I want to take a chance with the eMMc/Power IC replacement option. At my end I am looking for a proficient technician who can do precision soldering, what I want from this forum is, has IC replacement worked for any one of you guys and if yes can you mention the detailed steps for the same. Because on GSM Hosting forums a lot of guys have replaced the IC's and got their S2 working. But because of technical issue of minimum 10 post for a new thread I cannot ask there. This forum is my only hope to find proper solution to my problem.
You won't see anyone post those steps because I've never seen anyone on here post they've had someone do this repair successfully. I've seen a number of people post here (particularly over the past 6 mths & particularly in some countries) that they've been offered this fix, but not a single one has posted & said they had it done & it was successful.
Why ? Because no tech with any competence would attempt this for a couple of reasons:-
1) It would be a pain in the arse to try. It would be very fiddly/take a long time. Small electronics these days is mostly 'modular' & replacement of tiny parts just doesn't happen anymore; 'boards' are replaced because it's quicker/easier for the tech, and cheaper for the customer. Even if these fixes were possible, you'd pay more than what a motherboard replacement would cost. And even then you're probably relying on someone with questionable technical ability telling you it is possible when people who really know what they're doing & talking about just wouldn't bother.
2) You have no way of knowing yourself whether you're being told the truth about this 'power IC' nonsense actually being the problem. What happens if you try this fix, only to find out the NAND is actually corrupted (which it is 99.999999999999999999999999% of the time; you are not the exception here); this means you pay for the fix which has no chance of working, and then you pay again for a motherboard replacement or new phone.
By all means sit in this thread for months & months with a non-working phone waiting for the information you're after to be posted, but it never will be for the reasons I've mentioned. If it was me, I'd want my phone working ASAP because I need a phone.
MistahBungle said:
You won't see anyone post those steps because I've never seen anyone on here post they've had someone do this repair successfully. I've seen a number of people post here (particularly over the past 6 mths & particularly in some countries) that they've been offered this fix, but not a single one has posted & said they had it done & it was successful.
Why ? Because no tech with any competence would attempt this for a couple of reasons:-
1) It would be a pain in the arse to try. It would be very fiddly/take a long time. Small electronics these days is mostly 'modular' & replacement of tiny parts just doesn't happen anymore; 'boards' are replaced because it's quicker/easier for the tech, and cheaper for the customer. Even if these fixes were possible, you'd pay more than what a motherboard replacement would cost. And even then you're probably relying on someone with questionable technical ability telling you it is possible when people who really know what they're doing & talking about just wouldn't bother.
2) You have no way of knowing yourself whether you're being told the truth about this 'power IC' nonsense actually being the problem. What happens if you try this fix, only to find out the NAND is actually corrupted (which it is 99.999999999999999999999999% of the time; you are not the exception here); this means you pay for the fix which has no chance of working, and then you pay again for a motherboard replacement or new phone.
By all means sit in this thread for months & months with a non-working phone waiting for the information you're after to be posted, but it never will be for the reasons I've mentioned. If it was me, I'd want my phone working ASAP because I need a phone.
Click to expand...
Click to collapse
Anyways.. I have given my phone for eMMc replacement let us see what it turns out to be. Thanks for your input Mistah. Will post back once I get my phone.
One more thing MistahBungle, as you have mentioned NAND corruption thats the exact issue I faced in Odin, does it means the flash chip is dying or as I read it its stuffed beyond recovery.. what exactly is NAND corruption and is there any solution for it apart from mobo change ?
Arjune said:
Anyways.. I have given my phone for eMMc replacement let us see what it turns out to be. Thanks for your input Mistah. Will post back once I get my phone.
One more thing MistahBungle, as you have mentioned NAND corruption thats the exact issue I faced in Odin, does it means the flash chip is dying or as I read it its stuffed beyond recovery.. what exactly is NAND corruption and is there any solution for it apart from mobo change ?
Click to expand...
Click to collapse
It means the chip has been 'scrambled' due to a bad flash, which means nothing can be written to or read from the chip anymore, which is why your phone won't boot, the (for the sake of simplicity, the tech version is available with a Google or XDA search) 'pre-boot' stuff/OS/etc lives on it, without that = dead phone.
Only solution is to replace it, and as we've said, replacing just that chip isn't feasible, so the whole board is replaced.

Categories

Resources