Titanium Backup-can't start phone - AT&T Samsung Galaxy S II SGH-I777

So I thought I had a working version of S voice on my ported VK Rom. I tried to use it after not using it all for a couple of weeks and it just kept saying "Say Hi Galaxy" but wouldn't respond.
I was looking to uninstall the apk along with all the other 80 mb worth of stuff in the .zip file, I found that using Titanium Backup one could uninstall system apps. All I did was use Titanium Backup to remove S voice...NOTHING ELSE WAS TOUCHED. At which point it tried to reboot but only to the boot screen then it would time out. I can't even enter into recovery using voume up/down and power.
I don't think it is bricked cuz it still turns on and lights up just not past the boot screen (I'm running the newest Siyiah kernel but can't even get to that boot image.)
Only thing worth mentioning would be that I did change the boot screen image using an app I found within a .zip file for SGS3 but I rebooted three or four times before trying to uninstall s voice using titanium backup, which is where the problems started.
I did find other Android users with different phones who experienced similar problems and it seems the only solution, at least for their problems, was to re-install stock firmware.

butikofer08 said:
So I thought I had a working version of S voice on my ported VK Rom. I tried to use it after not using it all for a couple of weeks and it just kept saying "Say Hi Galaxy" but wouldn't respond.
I was looking to uninstall the apk along with all the other 80 mb worth of stuff in the .zip file, I found that using Titanium Backup one could uninstall system apps. All I did was use Titanium Backup to remove S voice...NOTHING ELSE WAS TOUCHED. At which point it tried to reboot but only to the boot screen then it would time out. I can't even enter into recovery using voume up/down and power.
I don't think it is bricked cuz it still turns on and lights up just not past the boot screen (I'm running the newest Siyiah kernel but can't even get to that boot image.)
Only thing worth mentioning would be that I did change the boot screen image using an app I found within a .zip file for SGS3 but I rebooted three or four times before trying to uninstall s voice using titanium backup, which is where the problems started.
I did find other Android users with different phones who experienced similar problems and it seems the only solution, at least for their problems, was to re-install stock firmware.
Click to expand...
Click to collapse
You should still be able to boot into CWM. Pull the battery and hold vol up+down and press power. If it works just reflash your rom or nandroid restore. If you really can't get back into CWM recovery, can you get into download mode (vol down+power)? If so, use Odin to flash back. READ CAREFULLY if you have never used Odin before.
To be honest, it sounds like you inadvertently uninstalled the wrong app. Always be careful when using TiBu to uninstall system apps. Hope things work out.

did you try entering download mode and using Odin?

i'm having this same problem except i tried to uninstall the google play store with titanium backup and i let it reboot and like your phone it booted to the boot screen then powered off c.c i've tried booting it into recovery mode but the screen only boots to the boot screen once then turns off again, and i can't even get it to go into download mode because it literally does nothing x.x i've also tried pulling the battery while it was off and putting it back in but that also doesn't work so are there anymore solutions i can try?

alerionn said:
i'm having this same problem except i tried to uninstall the google play store with titanium backup and i let it reboot and like your phone it booted to the boot screen then powered off c.c i've tried booting it into recovery mode but the screen only boots to the boot screen once then turns off again, and i can't even get it to go into download mode because it literally does nothing x.x i've also tried pulling the battery while it was off and putting it back in but that also doesn't work so are there anymore solutions i can try?
Click to expand...
Click to collapse
Try pulling the battery. Hold Vol down + power then plug usb. You can insert the battery once it boots.

BROKKANIC said:
Try pulling the battery. Hold Vol down + power then plug usb. You can insert the battery once it boots.
Click to expand...
Click to collapse
that didn't work but after i put the battery back in and tried to enter download mode it showed the battery charging icon thingy but it was frozen, then it powered off again x.x i don't think usb debugging was on before my phone messed up so that also may have caused problems c.c

USB debugging has no bearing in download or recovery modes
Sent from my Galaxy Nexus using Tapatalk 2

Pirateghost said:
USB debugging has no bearing in download or recovery modes
Sent from my Galaxy Nexus using Tapatalk 2
Click to expand...
Click to collapse
thanks that's good to know o:

ok so somehow i got into download mode by pressing the recovery buttons but anyways i'm relieved xD i think i can fix it from here but i'll post back if there's anymore problems :x
EDIT: i got it back working again oo: thanks for the help

alerionn said:
ok so somehow i got into download mode by pressing the recovery buttons but anyways i'm relieved xD i think i can fix it from here but i'll post back if there's anymore problems :x
EDIT: i got it back working again oo: thanks for the help
Click to expand...
Click to collapse
what did u do xactly ??? i hve d same prob and all i tried uninstalling ws apex launcher wich came wid d criskelo rom (system app)

mbharath003 said:
what did u do xactly ??? i hve d same prob and all i tried uninstalling ws apex launcher wich came wid d criskelo rom (system app)
Click to expand...
Click to collapse
Another necro?

Related

Vibrant won't boot into recovery?

I have tried everything. Holding volume up and power, down and power, both and power
Holding the whole time, letting go at the vibrant screen
I even did i factory reset and it wont work
Does anyone else have this issue?
It is going to ultimately force me to get a replacment device
I was wondering if there was somehing i missed
Sent from my SGH-T959 using XDA App
hold both volumes and power until you see the contact screen for the second time.
Sent from my SGH-T959 using XDA App
Same problem here. Spent a day trying to get it to work. Finally gave up and used the one click root method to get into recovery. This is my second Vibrant, so it's not that I haven't done this correctly before. Very strange, but one click worked for me.
Sent from my SGH-T959 using XDA App
The one click doesn't do anything
It puts the update.zip on my internal storage then doesn't reboot or anything
Would it still work through adb?
Sent from my SGH-T959 using XDA App
I've spent several hours trying to get into recovery and download mode via the buttons. I've tried everything I've found on the forums, and pretty much concluded that the US Vibrant is seeing the same issue that Bell Canada and Aus Optus is with some phones not having the power button reboot functional for whatever reason. I'm going to return mine tomorrow for one that works. Hopefully I don't get any static about trying them out till I find one that works properly.
ADB works fine for me to reboot to recovery and download. I personally would use TGA_Gunman's root.
Hey guys. I just bought a Vibrant today and am having this same issue. No matter how many times I hold either volume button independently (or even together), I can't get into Fastboot, or I guess Download mode as it's called here. I'm coming from a Nexus One where it works everytime, so this is kind of weird. Launching RomManager and selecting to boot into recovery does work, but I don't want to rely on that.
Is the smart thing to go swap the physical phone?
I am having the same problem with my Vibrant. Anyone figure out how to get it into recovery?
kas21 said:
I am having the same problem with my Vibrant. Anyone figure out how to get it into recovery?
Click to expand...
Click to collapse
As unpleasant as it may seem to do so, it really behooves you who are having those issues, (as am I with my 3rd replacement!!!) Vibrant, it is absolutely worth your while to set up ADB, for numerous reasons. It solves both of those issues and allows so many other options. Once you do the installation of the SDK on your PC and install the right drivers, it is not at all difficult to use it to do many important things much easier.
http://theunlockr.com/2009/10/06/how-to-set-up-adb-usb-drivers-for-android-devices/
just download quick boot from the app store and u can reboot, recovery, or bootloader ur phone with this app
rdunn20 said:
just download quick boot from the app store and u can reboot, recovery, or bootloader ur phone with this app
Click to expand...
Click to collapse
he means boot rom and hes right just download it from app store and click install clockrecovery and after that click reboot in recovery and your done.
The problem with relying on adb, Quick Boot, and Rom Manager is what are you going to do when you flash and your phone won't boot? You won't be able to get into download or recovery mode and you'll be hosed. Take the phone back while you can and get one that works.
Exactly. I'm curious if there's a way around this though. What is it
that actually causes the phone to boot into recovery with the hardware keys and is it something that can be fixed/flashed?
I already exchanged once within the thirty days and I don't think the 30 days gets reset. Think I'm past the return period now.
Sent from my SGH-T959 using XDA App
shootr said:
The problem with relying on adb, Quick Boot, and Rom Manager is what are you going to do when you flash and your phone won't boot? You won't be able to get into download or recovery mode and you'll be hosed. Take the phone back while you can and get one that works.
Click to expand...
Click to collapse
I'm so glad you wrote that. This is exactly my feeling. In ideal solutions, ADB or even installing a terminal emulator onto the phone is great. But for any dev who dabbles with modifying their phone in any way, having access to recovery directly from the phone is an absolute must.
Im having the same problem but let me ask could it be because Avatar is in the sd card?...I keep reading (NOW) that the Root zip files should be copy to a SD without Avatar....
Gusgom said:
Im having the same problem but let me ask could it be because Avatar is in the sd card?...I keep reading (NOW) that the Root zip files should be copy to a SD without Avatar....
Click to expand...
Click to collapse
There are two "SD" cards, an internal and external. The external one is the on that the user can swap. It also contains the Avatar movie (if it is the one that came with the phone).
The update.zip file should be copied to the internal SD card. The one WITHOUT the Avatar movie.
I also cannot get my phone to boot into recovery using the buttons. I rooted using one-click.
It seems to be an issue with new/replacement Vibrants. I have a thread about it here: http://forum.xda-developers.com/showthread.php?t=764360
If anyone has a device like this and can pull a dump file from it and upload it, that would be fantastic! I'm not sure if this is a physical limiter or a software based one, but I'm pretty sure it's software based on experience and manufacture dates. Once we get a dump, I'm sure someone will be able to figure it out.
And to back what the others said, I was able to adb download no problem, but when the Odin flash hung, there was no way to get back in to download mode and I ended up having to exchange the phone. As soon as my next one gets here, I'll test and post a dump if someone else hasn't already.
johnny12times said:
And to back what the others said, I was able to adb download no problem, but when the Odin flash hung, there was no way to get back in to download mode and I ended up having to exchange the phone.
Click to expand...
Click to collapse
I had the same issue on a replacement Vibrant and this works for me to get into download mode (even after Odin hung and it looked 100% dead):
1. Removed SD and SIM card
2. Removed battery
3. plugged the phone into USB
4. held down vol-up and vol-down
5. popped the battery back in while holding vol buttons
dex1701 said:
I had the same issue on a replacement Vibrant and this works for me to get into download mode (even after Odin hung and it looked 100% dead):
1. Removed SD and SIM card
2. Removed battery
3. plugged the phone into USB
4. held down vol-up and vol-down
5. popped the battery back in while holding vol buttons
Click to expand...
Click to collapse
Excellent directions. Worked like a charm.
OMG! I seriously thought my Vibrant was trashed! Excellent directions for getting your Vibrant out of Boot loop and into Download mode:
1. pull everything out of phone (battery, SIM, SD card)
2. Plug in USB cable
3. Hold down both volume buttons
4. Insert battery while holding down volume buttons.
My phone went into Download mode easily at this point.
In my case, my phone got stuck in Boot loop while trying to use ROM Manager for a new ROM. Guess I used it wrong, I'll just stick with installing ROM's by way of Recovery mode. Anyway, my phone stayed in Download mode until I flashed it with ODIN. I just flashed it back to stock and started over. Here's the link:
http://forum.xda-developers.com/showthread.php?t=734475
I'm so glad I didn't have to exchange my phone, I feel bad for those that had to exchange thier phones, this is a nice workaround.
i try it went into downloading screen. Odin did not see my phone. What can i do now? Can anyone help.

[Q] Vibrant brick

After trying the lag fix I could not longer open any applications they just kept force closing. I tried restarting but now the phone wont even turn back on. it stays on galaxy s screen then just goes black. I ade a back up in clock work prior to doing this but I cant access it as i was accessing it through rom manager. How can i flash the back up to recover my phone =(
IF you made the backup using NANDROID in Clockwork recovery:
boot into recovery by holding volume up+volume down+power, as soon as you see the "white vibrant", let go of power but keep holding volume up+volume down. you will be brought to recovery, it should be black background with blue text, then use your volume buttons, to go to reinstall packages, use the power button to select it, that will put you into clockwork recovery. use the volume buttons to go to Nandroid->Restore then choose your backup, Good luck.
If all else fails you may need to use ODIN to get the factory image back on, information on how to do that is in the stickies. Search for it, you will find it.
You can open the backup by holding both volume keys as you power on the phone I believe....either that or it will go into download mode and you can then use odin to flash. Hope it helps.
Edit: nevermind, look at the pay above mine lol
Sent from my SGH-T959 using XDA App
Recovery
Thanks for the quick replys greatly appreciated. I click reinstall packages but ti doesnt go into recovery. I'm thinking because I called the lag fix update.zip it is reinstalling that instead of the recovery..I think im still new to all this. I looked at the odin sticky. is there a way I can use that program and use the backup that is on my phone or is it lost and must I use the one that is provided in the sticky?
You can install Stock Rom Via ODIN. I found the link from this forum. I was in the same situation yesterday but I ended up flashing to Vibrant5.zip instead. After that, my files were still on the phone. If you made a backup with ROM manager, your backup files should be in /sdcard/clockworkmod/backup. Reinstall ROM manager and see if you can restore back to that.
I cant get into get to rom manager because my phone just boots to a black screen. is there away i can access my internal sd without having the phone booted?
http://forum.xda-developers.com/showthread.php?t=734475 follow the instructions...worked for me last night when I 'bricked' my phone by removing twlauncher with root manager
Solution
**********SOLUTION***********
Thanks for the reply's from those that did. i ended up using odin3 which took me forever to figure out lol. The brunt of my problems was getting into download mode. after searching the internet for which seemed like for ever and 100 unsuccessful attempts to get into download mode I came across on post that really helped.
I had to turnoff the phone, plug it in and wait until i seen the green battery indicator. Once i saw it i held down both volume up and down keys then pressed power. The key was as soon as the battery indicator disappeared you have to let go of power.
that worked on the first try for me from there it was smooth sailing. Odin is very simple but its the little things that are very tricky and because i didnt know what the protocol was I didnt know whether I was even in download mode or not, so these are some things to know
*you will no when you are in download mode because a picture of a yellow triangle will appear on the screen with an android in the middle with a shovel digging.
*No the recovery menu is not download mode
*Just because Odin detects the phone(Displays COM port in yellow) Does not mean you are in download mode....Which was my misconception.
*The "analyzing file" message should only appear briefly a minute or two max. Anything longer is not normal and Odin needs to be reset as well as the whole process.
*It doesn't take to long to flash and it WORKS I am back on stock and happy as hell =)
Thanks again to those that helped and good luck to any future brickers.
i just saw this post but what i did was to save the clockwork update.zip into my computer and downloaded this: http://forum.xda-developers.com/showthread.php?t=739300. unzipped it and deleted the root.zip from the directory and renamed update.zip to root.zip and hit rootme.bat
the program will push root.zip (clockwork recovery) into phone and reboot into recovery while stuck in any screen =)
I had this exact same set of issues. Ultimately what caused the problem is the fact Busybox wasn't installed. I ran the update.zip version that supposedly had busybox, ran the script and then all of my programs crashed. The phone would never reboot after that. Ultimately saved it with Odin and was able to restore my nandroid backup after getting ROM Manager going again. Very scary hour there!
jzanitsch said:
I had this exact same set of issues. Ultimately what caused the problem is the fact Busybox wasn't installed. I ran the update.zip version that supposedly had busybox, ran the script and then all of my programs crashed. The phone would never reboot after that. Ultimately saved it with Odin and was able to restore my nandroid backup after getting ROM Manager going again. Very scary hour there!
Click to expand...
Click to collapse
this happened to me while I was backing up my current rom, the scrary thing is that I never used oden.. is it possible for me to "unbrick" my phone?? it can go into download mode but the yellow bar for the ID:COM doesnt show
please help!!
Super Hard Bricked my SGH T959 Vibrant
Please PLEASEEEEEE HELP ME ... PLEASE
I was flashing jelly bean 4.1 (my previous version was ICS 4.0 by ExROM by LightX). When I rebooted my phone it was showing the Vibrant screen >> "VIBRANT SAMSUNG". then my phone was not starting. it was stocked in the screen. i did CWM recovery but it was also not working. I have tried many ways by ODIN or Heimdell Soft Unbrick. but now i get into only downloading mode. no vibrant screen isn't appearing. only one time ODIN can recognize my phone then i haven't the t959 tar file. so i didn't flash that time. after that i gave soft unbrick by Heimdell's software then my download mode went off and not restarting. by the way when i downloaded the TAR file and connect to ODIN then ODIN couldn't recognize my phone. my PC can recognize my phone but ODIN can't. whenever i give soft unbrick the download screen goes off. i have tried two computers and two cables. same problem appearing. i have also tried all odin versions but these are not working. only one time ODIN can recognize my phone. further before, when i gave volume up + volume down + power button then RST_STAT = 0*0 ..... appearing and an android said "UNKNOWN UPLOAD MODE" but now there is no android but the red little letters still appearing on my screen. PLEASE BOSS HELP ME... PLEASE .

Possible Brick?

I'm absolutely new to the custom rom scene and I figured I would root my phone and install the rom from here:
http://forum.xda-developers.com/showthread.php?t=1759642
It went perfectly fine and I started the like the idea of being to install what I want onto a phone, so I decided to make the jump to install CM10.
I ran a nandroid + TB backup and copied the backup to my computer. Then I dragged my CM10 rom (from http://www.droidhive.com/forums/index.php?/topic/1470-cm10-unofficial-for-d2vzw/) to the root directory of my phone. Then I ran rom manager to install cm10. The phone reboots into recovery but gets stuck on recovery. It will constantly reboot and once it reaches recovery, the loading bar with the picture of the green android robot in the background loads about 20-25% of the way, and then the phone vibrates and acts as though I just boot it up (and this process cycles).
I can't get it to ever get past this 20-25% mark and it isn't recognized by my computer to flash it back to stock and I can't do a nandroid restore since I can't get past this state.
Is my phone bricked and if so/not so, what should I do?
redxv said:
I'm absolutely new to the custom rom scene and I figured I would root my phone and install the rom from here:
http://forum.xda-developers.com/showthread.php?t=1759642
It went perfectly fine and I started the like the idea of being to install what I want onto a phone, so I decided to make the jump to install CM10.
I ran a nandroid + TB backup and copied the backup to my computer. Then I dragged my CM10 rom (from http://www.droidhive.com/forums/index.php?/topic/1470-cm10-unofficial-for-d2vzw/) to the root directory of my phone. Then I ran rom manager to install cm10. The phone reboots into recovery but gets stuck on recovery. It will constantly reboot and once it reaches recovery, the loading bar with the picture of the green android robot in the background loads about 20-25% of the way, and then the phone vibrates and acts as though I just boot it up (and this process cycles).
I can't get it to ever get past this 20-25% mark and it isn't recognized by my computer to flash it back to stock and I can't do a nandroid restore since I can't get past this state.
Is my phone bricked and if so/not so, what should I do?
Click to expand...
Click to collapse
Hmm honestly the easiest way out of this is just to flash the stock rom of your carrier through odin (download mode and flash), easy fix. You could try messing around with the recovery and whatnot, ie try flashing a new recovery through adb somehow, but easiest and the most least painful way seems to be to just odin back to stock and try again. and also, i dont get why people use rom manager, heard too many horror brick stories about that. Just adb the recovery to the phone and flash the zip. Why even bother with rom manager.
good luck, hope i helped :good:
I can't get my computer to recognize my phone to use odin / adb.
redxv said:
I can't get my computer to recognize my phone to use odin / adb.
Click to expand...
Click to collapse
Did you put your phone in download mode? turn off, and then hold home vol down and power at same time.
Never mind..
I was asking same thing like Unleashed12
unleashed12 said:
Did you put your phone in download mode? turn off, and then hold home vol down and power at same time.
Click to expand...
Click to collapse
Like I said, when I book into recovery/download mode, it just boot cycles.
That is: phone turns on. Samsung boot screen, then android robot screen, loading bar goes about 1/4 of the way, then phone goes black, and starts at samsung boot screen again.
redxv said:
Like I said, when I book into recovery/download mode, it just boot cycles.
That is: phone turns on. Samsung boot screen, then android robot screen, loading bar goes about 1/4 of the way, then phone goes black, and starts at samsung boot screen again.
Click to expand...
Click to collapse
Sounds like you haven't actually entered the download mode... power off> hold at same time power, home and vol down... keep holding until the phone turns back on. you should enter download then.
I personally feel like you just have a dirty install without knowing more. Once you enter recovery I'd just data reset, cache reset, dalvik reset and reflash same rom... or a backup
Yeah, my bad. I didn't hold it down long enough. I'm such a noob.
Don't forget to hit thanks for those who helped you...
Sent from my SAMSUNG Captivate™ Glide i927
Aquethys said:
Don't forget to hit thanks for those who helped you...
Sent from my SAMSUNG Captivate™ Glide i927
Click to expand...
Click to collapse
haha Thanks for that!

[Q] soft brick after 4.2

Hello
I'm stuck at a boot loop.
History:
Installed the omega rom with the new 4.2 android.
but I forgotton to do a titanium backup.. no worries I had my nandroid.
I was trying to restore but CWM couldn't find my backup.. it said it couldn't open the directory.. soo I plugged the phone into my computer, transferred the whole backup tp the external sd.. Same thing.. CWM couldn't open the directory..
So I flashed my old Team HD 9.1 rom.. And now here I am ?? stuck at the samsung logo..
Any good advices? I flashed around a 50 roms, and all the same way..
I cant open recovery or download mode.. as soon as I insert the battery it starts right at the samsung logo
Thank you
P.s Please let me now if it's all nonsense, english isn't my major lagnguage
So you can't even reach recovery? I mean first you said you couldn't find backup in CWM and after that you can't enter download or recovery mode?
Anyways while you're stuck on boot screen try holding vol down + home + power buttons until it restarts and see if that's gonna work...
Sent from my GT-I9300 using xda premium
Fons1ca said:
So you can't even reach recovery? I mean first you said you couldn't find backup in CWM and after that you can't enter download or recovery mode?
Anyways while you're stuck on boot screen try holding vol down + home + power buttons until it restarts and see if that's gonna work...
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
After not finding my backup, I flashed Team HD 9.1 (which is 4.1) everything here went fine at first sight.
But it didnt..
I cannot reach recovery or download mode, no matter what. cant find the phone in ADB or odin
succes!
Finally
I was almost feeding my phone to my cat..
After I tried Vol up + home 200 times, and vol down 200 times, I came into Download
I downloadet this:
http://forum.xda-developers.com/showthread.php?t=2002953&highlight=cwm+odin
Very nice recovery.
And it has 1 major option.. custom restore, and then restore from 4.2 patch.
I didn't know that 4.2 changes anything in the directorys.. but it must be that havenn't done my homework!
I'm up and running now!
thank you

[Q] Softbrick Need Help

Hello, i need some help with the problems i'm experiencing with my phone.
I'll go through all the steps I've done:
-suddenly the connectivity in my phone stopped working (no phone signal, wifi, bluetooth etc etc), this came up together with other issues: the power button of my phone rebooted the rom when held instead of giving me the choice to reboot or turn it off.
-i tried at first to get in the recovery with the 3 button "combo" with no luck since my power button apparently is still not working properly, if i keep holding the 3 buttons nothing happens until i release the power one; at which point the phone turns on.
-i got into recovery with the adb commands, flashed a new rom, no fix what so ever to the problems i was experiencing.
- i got inside the recovery again with adb installed a new rom this time performing a full wipe (system, sd card)
-once the flashing finished and i tried to reboot i got an error message e: cache could not be found, something like that, can't recall the exact text.
So at the moment i'm stuck in recovery mode, i pushed with adb a new rom, but after flashing it and trying to reboot i keep going straight into the recovery mode.
I tried flashing the original rom with Odin but i can't get into download mode, the power button is still not working properly and when i give through abd the command "adb reboot download" the phone reboots into the recovery instead of the download.
I'm completely stuck, tried everything i could think of yesterday, i would really appreciate your help.
Thanks in advance.
try using usb jig to get into download mod,search google how make usb jig.also u have root permission use ktool this is easy manually download & install
Ktool is an app, how i'm i supposed to make it work?
Thanks for your reply.
Until you fix the hardware issues you won't be able to flash, was the phone dropped or water damaged?
Sent from my GT-I9300 using Tapatalk
boomboomer said:
Until you fix the hardware issues you won't be able to flash, was the phone dropped or water damaged?
Sent from my GT-I9300 using Tapatalk
Click to expand...
Click to collapse
It dropped a few days ago, but i had no issues after it.
It all happened suddenly yesterday, no water damage or drop whatsoever.
The hardware issue is what worries me the most, i don't understand how holding the power button now equals to a reboot even when i'm trying to turn it on for the first time, starting from a phone that's turn off.
odisseus05 said:
Ktool is an app, how i'm i supposed to make it work?
Thanks for your reply.
Click to expand...
Click to collapse
Ktool can get into ur phone download mod directly .there 3 option buttons.install&try.
If u have some knowledge about mobile phone repair u can fix ur power botton fault yourself or goto repair center.u can't never fix hardware failures, using software or flashing roms
?★Sent from My GT-9300★?

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