Reboot after power-down after rooting - Galaxy S II Q&A, Help & Troubleshooting

Hi.
After rooting my SGSII it is not possible to power it off anymore.
When I tell it to shut down it will do so, but when its finished it will automatically boot up again.
This happened with both KE7 and KF1 firmwares (as described here: http://forum.xda-developers.com/showthread.php?t=1103399).
I already restored the standard kernel and did a factory-reset, but the problem is still there. The phone itself works fine ofcourse when using it... it just won't power down..
Can anyone help?
Btw. I use the USB Jig to get into download-mode.

Flash full stock rom and start again .
jje

Related

[Q] Help - got problem during rooting

Hi All,
I'm trying to root my SGS2.
I think my Kernel is in VAUKF4 which according to Kies 2.0 - it's the latest firmware.
Yesterday when I look at the system Version, I think it's Gingerbread 2.3.3
I tried to root it using Odin3 v1.85 and XWKDD_insecure.tar
I've set the phone to - USB Debugging mode
EDIT: ODIN has pass the process. but now the phone is not rebooting.
Can someone help what should I do next please?
Regards,
Michael S
Regards,
Michael S
Try pressing Volume up + Home + Power holding them when the phone is off and then do a Data / Cache wipe and a Factory Reset that should work.
I'm trying to flash the original kernel back to the phone...
but it's just taking so long.
I'll try the factory reset if this doesn't work.
Thanks
i end up flashing the original kernel and it works now...
now i'm looking for rooting it again =P
Read the rooting post .
http://forum.xda-developers.com/showthread.php?t=1103399
jje

[Q] HOW to Update or reflash Galaxy s2 Bootloader

i have a problem with my galaxy s2 exactly like this: got a wierd problem. My galaxy S2 refuses to shut down.
When I shut the phone down without a USB cable connected then the phone turns black and the 'menu and 'return' button lights up then the phone vibrates. at this stage before the buttons turns black and the phone was totally shut down. now instead the buttons are still lit after the vibration and then the phone starts up again.
With a USB plugged in after the vibration when shutting down I get to the screen where the battery indicating charging is shown, but as soon i remove the USB cable the phone starts.
The power button is not stuck.
It's not rooted: cleared the cache in 3e recovery. No change.
I fully charged my battery. No change
I drained my battery to 0%. No change
I tried another battery. No change.
Well i thing i should Re-flash a Bootloder or install another one, is there any idea how to do that throw ODIN1.85 Please please please help me im just
First step back up data factory reset phone .
Do not start messing with bootloaders flash a full stock firmware if you have to .
jje
Bootloader via Odin available in intratechs thread. In post where ki3 is. Maybe 3rd post???
http://forum.xda-developers.com/showthread.php?t=1075278
Sent from my GT-I9100 using XDA App
WELL....
Can you people be more clearly on Ur Tips Please, Do i have to Update Bootloader or Bootloader will Automatically update after i flash a Full firmware via Odin or during update a frimware do i need to click a tick there writting "UPDATE BOOTLOADER" or not or let me know any Solution pleaseeeeeeeeeee . English is my 3rd Langue so Please try to explane with a Simply English Brothers and sister. I feel sucks No one can fix my Problem here in Kosovo.
If you are going to flash New firmware via Odin from intratech you will automatically get the right (older) bootloader that lets you clear the flash counter with the jig.
If you have already flashed KI3 or KI8 from somewhere else chances are you will have the new bootloader flashed on your phone.
If that is the case intratech has the older bootloader that you can download and flash via Odin without having to flash the full firmware again.
Read the 1st few posts in his thread carefully for the exact steps to follow.
Good luck.
Sent from my GT-I9100 using XDA App
@ aceofclubs and Others
Well i try Many of Roms to flash i try with older and newer Problem still there, i think i need to Change a Usb Port (Electronic Usb maybe i demage with a bad Charger or Who know). Is there any Idea where i can Buy&Purchase Galaxy s2 Electronic Parts
I has this same problem after flashing ki4. Would not shut off. Kept booting up every time I tried to switch off. After a bit of searching I found a fix got my phone. Just remove the battery for 30 seconds. Reinstall and try again. Might not work for you but won't cost anything to try.
Edit
Just read. You already tried another battery do this won't help you. Sorry.
Sent from my GT-I9100 using Tapatalk
YEAHH
dear Friend thanks for trying to help me, but i can not find a human being that can tell me how exactly to fix my problem i have this problem 1 month, for me it will be enough to know if is a Software or hardware problem. Problem is here in Kosovo we dont have a Samsung Store that can fix, only a solution is to send in Germany(1.441 Km ) , it will coast to me just a new Galaxy s2... i have exacly this problem like this guy in youtube here is a link : http://www.youtube.com/watch?v=eBB_3qtgj68
or check this thread: http://forum.xda-developers.com/showthread.php?t=1237228

[Q] Boot loop.

Hi. There is my problem
4 days ago i get sgs2 after JITAG.
Now it's in boot loop. I tried almost everything.
So. It's like that :
- phone is in boot loop.
-can't access recovery
- can get to DL
- Odin flash every rom and kernel tried on v1.85 and v3.07. Always succeed. But nothing happens.
When i woke up s2 was hot and off. I Turn it on and battery percentage was 10% ( before sleep it was ~85%) . I plug it to AC.
That was first symptomps . Next tried to install game from market when it installed i tried to play but phone restarted then pop up window that inform me about updating apps ( it was 4 apps) and after update i can't do anything. Phone froze. I take out battery and put it on. Turn on s2 and from this point i have boot loop i can't go to recovery only dl works.
Before JITAG there was nand rw corruption. Can it be the same this time ? What u propose ?
tomekx93 said:
Hi. There is my problem
4 days ago i get sgs2 after JITAG.
Now it's in boot loop. I tried almost everything.
So. It's like that :
- phone is in boot loop.
-can't access recovery
- can get to DL
- Odin flash every rom and kernel tried on v1.85 and v3.07. Always succeed. But nothing happens.
When i woke up s2 was hot and off. I Turn it on and battery percentage was 10% ( before sleep it was ~85%) . I plug it to AC.
That was first symptomps . Next tried to install game from market when it installed i tried to play but phone restarted then pop up window that inform me about updating apps ( it was 4 apps) and after update i can't do anything. Phone froze. I take out battery and put it on. Turn on s2 and from this point i have boot loop i can't go to recovery only dl works.
Before JITAG there was nand rw corruption. Can it be the same this time ? What u propose ?
Click to expand...
Click to collapse
Did you download the stock firmware from sammobile.com ? And after falshing rom via Odin go to recovery and do Wipe Data/ Factory Reset and Wipe Cache then Reboot.
Sent from my iPhone using Tapatalk
Tried this. But still can't go to recovery mode.
So Wipe isn't possible for now.
Search for Hopper8's 'Odin troubleshooting' thread, there's a link to a 3 part firmware in that thread. Download the firmware (assuming you have an I9100; if you don't, do not download this firmware/flash it. You'll brick your phone if you do), flash it with Odin, which will wipe your phone. Hopefully the wipe will remove whatever remnants of what you had on the phone previously which are probably causing bootloop.
Edit - However, given the 'background' to this issue (the JTAG/etc), don't be surprised if you end up needing a motherboard replacement. Cross your fingers the 3 part firmware does the trick though.
Tried 3 part firmware. And still the same. DL but no recovery.
So all hope gone ? Only option for me is replacement or another JTAG ?
If it were me, I'd keep trying different single part firmwares and the 3 part firmware over & over. Given a JTAG didn't fix it the first time around, you'll probably find a JTAG won't work this time either. Motherboard replacement most likely scenario as per my PP.
tomekx93 said:
Tried 3 part firmware. And still the same. DL but no recovery.
So all hope gone ? Only option for me is replacement or another JTAG ?
Click to expand...
Click to collapse

I9100 reboot loop, problem whith network, it is a brick ?

Hi everyone,
First, please excuse me for my bad english
So, I'm here because I have a really big problem with my Samsung I9100.
Indeed, I will explain my problem. I installed the SENTINEL ROM 5.00 a few month ago, and I never had a problem before.
But yesterday, I don't know why, I have so much problem with my Network, (My friends haven't the same problem and we have the same operator, it's Orange)
So, I don't understood why I had this kind of problem. After a few minutes, my GS 2 shut down...
I tried to boot but It had no effect !! I fall in a reboot loop, whith no home screen.
After a panic I try so much solution :
Wipe Data, Wipe Cache, Wipe Dalvik Cache, reboot. Same problem ! Sometimes, I can access to the menu, but a few minute after, it shut down again.
I tried to restore an official firmware, no effect, He can't load, he is blocked with "Samsung animation boot".
I tried to restore with a ROM (Rootbox 3.91), no effect too, I can access temporary to my message, and after a few minutes, he shut down !
Sometimes, I just click in the home button (The only button), and it shut down !
I observed now, it can't book if I don't connect it to the alimentation's cable.
Really, I'm so lost, I understand nothing. Especially, I didn't do something special to make this...
If someone can help me...
Thanks !
Flash stock rom with Odin, re-root your phone & restore nandroid backup or reflash custom rom & start again from scratch.
MistahBungle said:
Flash stock rom with Odin, re-root your phone & restore nandroid backup or reflash custom rom & start again from scratch.
Click to expand...
Click to collapse
Thanks, I will try this, but my sometimes, my USB port of my I9100 has so much problem with the connexion.
Could you give me a link for a stock rom please ?
Thanks mate.
It sounds like you would get into recovery-mode?
Do you have an ClockworkModRecovery?
Can you make a nandorid backup with the recovery?
Do you have an older Recovery you could restore without too much data-loss?
Is the battery ok? Can you start your Phone if you connect it with the charger? If yes I would recommand to backup as many iportant data as possible.
I'm running sentinelRom 5.0 too and I have no problems.
Baerlinaer said:
It sounds like you would get into recovery-mode?
Do you have an ClockworkModRecovery?
Can you make a backup from the recovery?
Do you have an older Recovery you could restore without too much data-loss?
Is the battery ok? Can you start your Phone if you connect it with the charger? If yes I would recommand to backup as many iportant data as possible.
I'm running sentinelRom 5.0 too and I have no problems.
Click to expand...
Click to collapse
Hi Baerlinaer, thanks to answering me.
I had no problem with SentinelRom 5.0 since few month, but yesterday I don't know why, I have so much problem in the same time.
I can access to the recovery mod, and I restore my back up since the recovery mode. I tried to restore 3 differents ROM.
I don't know if the battery is OK cause in the screen, I have 100% but when I disconnect the alimentation's cable. It shut down ! And I can boot but after the first boot animation, It shut down !
I don't care about my data really, it's nice but I just wanna recover my phone with all his fonctionnality !
I alrealdy make a backup !
I am very lost cause I don't know why it do that :/
Can you start the phone withe the cable plugged in but without the battery?
Couse if you can, it is the Battery. I had such a Problem with a Laptop once. The Battery was broken and it rebootet after a few seconds or minutes. I tried everything, to recover it and then I took out the Battery and it run perfectly well.
Baerlinaer said:
Can you start the phone withe the cable plugged in but without the battery?
Couse if you can, it is the Battery. I had such a Problem with a Laptop once. The Battery was broken and it rebootet after a few seconds or minutes. I tried everything, to recover it and then I took out the Battery and it run perfectly well.
Click to expand...
Click to collapse
I can't start the phone whith the cable plugged and whithout the battery. Nothing appeared in the screen.
Dude, are you sure we can start the phone whithout a battery and only with the cable plugged ?
Because now, It can't start...
Sorry, I could't test it untill now, I didn't had my Phone. No we can't do this.
Do you have another Battery for sgs2? Or a friend of yours? Then youcould test it. Otherwise you might try another ROM...
Maybe you can get a stock rom here http: www androidfirmwares net PhoneFirmware Download 69 to do what MistahBungle recommended...
Sorry I could't help furthere more.
Hi,
I tried to install a STOCK ROM. And now, I can't boot my phone ! I installed it with odin.
Now, when I have the booticon Samsung, my phone automatically shut down...
I don't know, I am very lost....
Anyone can help me ?
Tomorrow I will try battery of gs2 of a friend.
Anyone can help me ?

[Q] Bricked I9100 - seeking expert help

Hi Guys,
I would like to pick your brain as I have run out of options here.
My I9100T stopped worked funny way.
Phone - Samsung Galaxy S2
Model - I9100T
Sammobile official unbranded Australian ROM (XSA) for I9100:
PDA: I9100XWLSH
CSC: I9100XSALSA
MODEM: I9100XXLS9
Version: Android 4.1.2
Added: 2013-02-25
Rooted - SiyahKernel S2-v6.0beta5
1. I haven't been using this spare phone for over 1 year. I have decided to I can use it for my other simcard. Phone turned on and worked perfectly. Until I have decided that I have lot of junk in it and I want to wipe it quickly with factory reset not from CWM but from the phone menu. What happened is that phone started wiping some of the files and then screen stayed black - turned off (no vibration). Since then I wasn't able to turn on the phone as but I could charge my phone. By confidence I have found out when battery is out at least 30-60 min and when I put it back I could turn the phone on. However I wasn't able to pass "Samsung I9100" logo as logo will disappear and phone will just have black screen - switch off without vibration. I left it couple of time for half day just in case but with no result. I guess this is not eMMC brick as I had 4.1.2 ROM.
I am able to access download mode same as recovery mode. I have tried flashing brand new stock ROM from Sammobile as Kies come up with some error that my device is not supported. No luck with stock.
2. Then I have tried to restore I9100T in error with my I9505 backup in CWM. I know silly. But what can you do with human error. Restore failed and situation is pretty much same. Only difference is that I can't charge the phone now.
I have tried following things which I was able to google:
- tried different battery
- flash stock ROM from Sammobile (there is some incompatible error with I9100T model in Kies so I have downloadedd ROM from Sammobile)
- flash CM10
- wipe all Dalvik cache, cache, data, system ...
- used nuke scripts to wipe everything on the phone
- through CWM created 2nd ROM and flashed stock ROM
- swapped 2nd ROM with 1st one
- tied latest stock ROM 4.1.2 but tried old stock 4.0.3 and 4.0.4
- flashed new bootloader for I9100
- used .bin files to repartition the phone
I have no luck as phone is booting up to the recovery mode. Then when I have restarted it I can't turn on the phone unless battery will be removed for approximately 1 hour.
Second variant is that I can see android logo and bar underneath so I can see that phone is initialising new ROM but after few second phone goes off to black screen (I have tried to leave it couple of times for half day). Same thing if I will try to turn on the phone I will need to remove battery for approximately 1 hour.
I am running out of options here and I am pretty much ready to try crazy stuff in order to restore the phone. Could you please share your expertise or your opinions as I am not sure if it is soft brick or hardware might be affected as well. But I still have hope hehe.
Please share your screenshots here from other smartphone for better understanding. So,
1. You are rooted right?
2. You restored factory settings from your S2 settings knowing that you are rooted, right?
3. You can access download & recovery mode?
4. Can you charge your S2? Does it show charging while dead?
Have you ever trim your device?
nhmanas said:
Have you ever trim your device?
Click to expand...
Click to collapse
Thank you for suggestion but I am not really sure what do you mean by Trim the device. I have done some googling but I haven't got far. Could you please explain bit more or share some link.
syedbilal093 said:
Please share your screenshots here from other smartphone for better understanding. So,
1. You are rooted right?
2. You restored factory settings from your S2 settings knowing that you are rooted, right?
3. You can access download & recovery mode?
4. Can you charge your S2? Does it show charging while dead?
Click to expand...
Click to collapse
to nhmanas:
1. No, now it's pure stock ROM.
2. If you mean if I have reset to the factory settings knowing that phone is rooted then answer is yes.
3. Yes, I can access both.
4. Yes and no. I will explain below.
Yesterday I was able to turn on the phone and it started 4.0.4 without any problem. I have done nothing with the phone since my last post. Phone works fine except reboot, charging, power functions.
- If I try to reboot the phone, 2 soft buttons (menu and back) at the bottom of the phone will light up and nothing will happen with phone. I have try to leave it for hours.
- Power off works fine.
- When I powered device off or I have try to reboot it I am unable to start it again straigh away. Battery needs to be removed for about 1 hour and then phone will start.
- Charging works but again if battery is removed for 1 hour and placed back. If I power off the device and try to charge it dosn't work.
- I have try to upgrade the official ROM 4.0.4 to 4.1.2 over OTA and KIES but it failed because after reboot screen is black and soft buttons are ligh up.
Do you have any suggestions?
Access download mode and flash a stock ROM for your S2. Find it on sammobile.com. During Download Mode, connect cable and flash it through Odin.
eemmiiss said:
Thank you for suggestion but I am not really sure what do you mean by Trim the device. I have done some googling but I haven't got far. Could you please explain bit more or share some link.
Click to expand...
Click to collapse
What version of android did you use before brick?
Is it stock or aosp?
Trim is a command that delete or just trim (I dont really know one or both) your unused space. But this command is harmful for some emmc (sgs2, note1 and some more)
I am asking this for superbrick bug on official 4.0.4 kernel.
4.0.4 official kernel factory reset is a superbrick bug.
Sorry for bad english not a native speaker
---------- Post added at 05:53 PM ---------- Previous post was at 05:29 PM ----------
Also this links are helpful
http://wiki.cyanogenmod.org/w/EMMC_Bugs
http://forum.xda-developers.com/gal...ves/rom-brickbug-aftermath-speeding-t2843238/

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