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I formatted the /system partition by mistake and now my SGS II is dead. Can anybody help me???
neovitwin said:
I formatted the /system partition by mistake and now my SGS II is dead. Can anybody help me???
Click to expand...
Click to collapse
The system partition is written to whenever you flash a rom. I would suggest following the root procedures again, as this should rewrite the system partition. I would wait for some second opinions though.
Edit: I think maybe the root thing was just the rooted kernel. Someone will probably post a Backup file soon and you may have luck with that.
The thing is that it is not booting at all and the only thing that the computer recognizes is a QHSUSB_DLOAD something.
Have you tried to use odin yet? Just to see if it shows a connection? I don't know if you know this way to get to download mode, but hold vol up + vol down when odin is running on your computer and your phone is connected to the computer. It should automagically go to download mode...unless you deleted it when you formatted system.
I tried that. The only thing I did before restarting was "format /system" I do not know if that has something to do with the download mode
I found this for the driver...
http://forum.xda-developers.com/attachment.php?attachmentid=631288&d=1308601930
I don't know what to do with it from there though.
Did you flash clockwork recovery yet?
Sent from my SGH-T989 using xda premium
Don't panic it can be fixed
Sent from my SGH-T989 using xda premium
How? I flashed. that is how I got to the format /system option. Any suggestion. The driver did not help and I am running out of ideas
If you flashed cwr, with the phone off hold volume up and down at the same time and press power. It should boot to a blue cwr screen. If that happens your in great shape. then all you need is a backup image. which I can upload after work
Sent from my SGH-T989 using xda premium
No worries your phone is not dead, you need to use Odin to reflash. Follow the instructions or google it on youtube how to get in download mode and use odin. Search Samsung Galaxy S the procedure is same.
Sent from my SGH-T989 using XDA App
quest4fire said:
No worries your phone is not dead, you need to use Odin to reflash. Follow the instructions or google it on youtube how to get in download mode and use odin. Search Samsung Galaxy S the procedure is same.
Sent from my SGH-T989 using XDA App
Click to expand...
Click to collapse
He can't get into download mode...
You can always get in download mode there are different ways. He has a soft brick that can be fixed. Try pulling battery then plug it in then hold both volume buttons with TWO fingers and turn phone on and when Samsung logo pops up release power button but still hold on the volume buttons then download mode will kick in.
Sent from my SGH-T989 using XDA App
If he holds volume up and down with the power off and plugs in USB in his computer it does nothing?
Sent from my SGH-T989 using xda premium
pb05life said:
If he holds volume up and down with the power off and plugs in USB in his computer it does nothing?
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
That's what he said. I already gave him these instructions.
Sometimes on my Vibrant I had to pull out the SIM and sdcard, so I guess that's another option.
I might need to be in front of my computer to help then not driving 80mph on the highway. Lol
But i'm pretty sure it can be fixed
Sent from my SGH-T989 using xda premium
Thanks all for your help. The phone is not responding to anything button related at least not all what i tried (And you guys mentioned).
Here's something else to try, since I don't think my instructions were clear.
Disconnect your phone from the computer.
Take out SIM.
Start Odin on the computer.
PRESS AND HOLD vol up and vol down.
WHILE HOLDING connect the phone to the computer.
This SHOULD do something, like show a yellow com port connection in Odin.
Disclaimer: I'm not yelling at you, just trying to highlight the important parts. I don't know your level of experience either, so if you feel I'm talking down to you, DON"T!
JAJAJAJA. not a problem. It shows the yellow port connection text box. but is not connecting to the phone it is waiting forever on SetupConnection. However, nothing is happening in the phone. the screen is still black.
neovitwin said:
JAJAJAJA. not a problem. It shows the yellow port connection text box. but is not connecting to the phone it is waiting forever on SetupConnection. However, nothing is happening in the phone. the screen is still black.
Click to expand...
Click to collapse
again not to make you sound dumb but you have:
ODIN V1.8.4?
Samsung Kies installed but closed?
Pulled battery out?
put battery back in?
run odin v1.8.4?
hold both Vol up + Vol down, and plug the USB cable in?
Do you have another computer and usb cable you can try if the above does not get you into download mode. it could be a driver issue on your computer
I am making a backup now for you to restore if we can get you in download mode to flash cwr
So the other night, my power button literally stopped working. I called Verizon and requested another device to be sent to me, but now I have to return this thing to stock before I send it back. I've tried to Galaxy Nexus Root Toolkit by Wug, but my device won't show up. I can't get into bootloader mode because my power button won't work!!
Is there anything else I can do?
matt6906 said:
So the other night, my power button literally stopped working. I called Verizon and requested another device to be sent to me, but now I have to return this thing to stock before I send it back. I've tried to Galaxy Nexus Root Toolkit by Wug, but my device won't show up. I can't get into bootloader mode because my power button won't work!!
Is there anything else I can do?
Click to expand...
Click to collapse
Is your phone on? Just use adb's command "adb reboot bootloader". If your phone is off, I don't know how you can turn it on without a power button.
Sent from my Galaxy Nexus using xda premium
connect to your computer and use
Code:
adb reboot bootloader
when you finally need to power it off to send it in, just pull the battery.
adb won't recognize my device. =/ It's stuck off.
You shouldn't have to worry then because they won't be able to turn it on either. lol
[email protected] said:
You shouldn't have to worry then because they won't be able to turn it on either. lol
Click to expand...
Click to collapse
Lmao, now thats funny......and it makes sense
Sent from my Galaxy Nexus using xda premium
Do you get some sort of animation when it's plugged into the charger?
if its on
open terminal and type:
su
reboot bootloader
if its off use a usb jig to get into odin mode
[email protected] said:
You shouldn't have to worry then because they won't be able to turn it on either. lol
Click to expand...
Click to collapse
Uh.. Yeah they will. The physical power button isn't working but as they unscrew the Galaxy nexus they can trigger the mechanic to power the phone on. And then just replace the button and reflash it to stock and then resell the phone.
If they see that the device was already bootloader unlocked, don't be surprised to see additional charges on your next bill.
Sent from my Galaxy Nexus using xda premium
Have you tried the GN Toolkit: http://forum.xda-developers.com/showthread.php?t=1392310
If i remember correct, when the phone is ON, you can connect the phone, then reboot it with the GN toolkit to bootloader and install stock.
I think that could solve your problem
Take the battery out, plug the phone in, and then replace the battery. See if it will power up by itself.
Sent from my Xoom using Tapatalk
Things I have tried:
GN Rootkit (adb/fastboot won't recognize device)
Plugging phone into computer and restarting computer
Draining battery and allowing to charge in phone until enough juice to turn on automatically
Plugging phone in with no battery
Nothing will work. Never tried a USB jig. Guess I will order one and see if that helps. Never used one before but I guess a google search will help. Guess I'll call Verizon and ask them to extend my return period before they bill me for the device.
Tried the naked drivers?
http://forum.xda-developers.com/showthread.php?t=1379875
Usb jig will bring you to download mod ,then you have option to reboot(automatic phone turns on) ...befor you can flash stock rom and no more problems!
Sent from my GT-I9100 using XDA Premium App
i highly doubt they will send the verizon police to repossess the replacement for when the find the unlocked bootloader.
you can send it in rooted
I had Verizon replace my last phone with Asurion insurance because of a blown speaker. The phone was running Cyanogen. There was no problem.
To be clear:
1. The phone was CLEARLY running Cyanogen because it powered on, showed the CM7 boot animation, and worked perfectly
2. They never called me, hassled me, or anything. Just credited my account.
good luck
Got into Odin mode, but no options to reboot. Just says "Downloading... Do not turn off target !!" The only option displayed is "Start" but I'd have to use the power button to select it (can't do that lol). What can I do from Odin?
Well, pretty sure I just hard-bricked it, so whatever.
Downloaded this: i9250xx_itl41f_fl.zip
and ran it while the phone was connected to the computer in odin mode.
Was kind of distracted by gf and didn't verify that it was for CDMA. I guess its GSM only. Anyways, now the jig won't bring up Odin mode, and I have an imagine of a phone connected to a monitor with a yellow exclaimation triangle between the two.
Guess that's it.
Found a CMDA odin image. gonna try to flash this. didnt realize you needed Odin3 too, lol. Will let you guys know how it worked..
Image worked. Back to stock 4.0.2. I suppose that means it's unrooted. Used the GN Rootkit to relock bootloader. I don't know if stock recovery is installed or not, though. I tried to reboot into recovery using the rootkit, but i just got a red triangle. Any ideas?
Hey Guys n Girlz,
I rooted my S3, then try to unlocked my bootloader and restarted. Now I can't get into any mode anymore. There is no boot logo the screen is just blank.
When i try to restart in odin mode or recovery the USB sound comes on, and then the double USB sound sounds...
Any ideas??
(I flashed my MyTouch 4G almost every day and never had an issue)
ami2510 said:
Hey Guys n Girlz,
I rooted my S3, then try to unlocked my bootloader and restarted. Now I can't get into any mode anymore. There is no boot logo the screen is just blank.
When i try to restart in odin mode or recovery the USB sound comes on, and then the double USB sound sounds...
Any ideas??
(I flashed my MyTouch 4G almost every day and never had an issue)
Click to expand...
Click to collapse
What do you mean you tried to unlock your bootloader ? Are you with Verizon?
Can you get into download mode with the 3 button combo? (Vol up, power, and home)
Sent from my SGH-T999 using Tapatalk 2
capcanuck said:
What do you mean you tried to unlock your bootloader ? Are you with Verizon?
Can you get into download mode with the 3 button combo? (Vol up, power, and home)
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
Well, I wanted to install MIUI and after the root I tried to restart and install the MIUI rom. Then that gave me a error 7 install aborted, so I read up and read somewher here (i am new to the S3 section) to unlock the bootloader via the ez unlock tool from the market. I dl it and ran it, then clicked on unlock. it said unlocked sucessfully and I tried to restart to install from zip but the S3 doesnt boot.
I cannot get into odin mode (vol up+home+power), but I hear the USB recognized sound and shortly 2 or 3 seconds after hear the usb unplugged sounds... (i had a little more than 50% battery left, idk if that makes any difference)
I tried to install this rom: http://forum.xda-developers.com/showthread.php?p=30851639&highlight=black+screen#post30851639
What carrier?
capcanuck said:
What do you mean you tried to unlock your bootloader ? Are you with Verizon?
Can you get into download mode with the 3 button combo? (Vol up, power, and home)
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
psykhotic said:
What carrier?
Click to expand...
Click to collapse
T-Mobile
I think I fooked it up because I used the VZW S3 Unlock app... is there anything I can do to revert that?
Even if nothing pops up on the screen, try booting into download mode, see if odin recognizes your phone. (it doesn't necessarily have to be on, as long as odin recognizes it, there's still hope.)
theexel said:
Even if nothing pops up on the screen, try booting into download mode, see if odin recognizes your phone. (it doesn't necessarily have to be on, as long as odin recognizes it, there's still hope.)
Click to expand...
Click to collapse
Nothing I will just RMA it I think... if I can't even get into odin mode then it's prob KO.
I have another Blueone where I did not do the bootunlock, and that one works perfectly... meh!
Why would you use a verizon unlock app?????
psykhotic said:
Why would you use a verizon unlock app?????
Click to expand...
Click to collapse
I thought if the root works for the verizon version and tmobile version then the bootloader will be the same. noob mistake. what the question is now, is why was I not able to install MIUI?
Tmobile's bootloader is all ready unlocked.
You just flashed Verizon's unlocked bootloader to a tmobile phone and bricked it. Maybe a jtag can fix it but you'll have to send it out and pay a fee for that.
sswb27 said:
Tmobile's bootloader is all ready unlocked.
You just flashed Verizon's unlocked bootloader to a tmobile phone and bricked it. Maybe a jtag can fix it but you'll have to send it out and pay a fee for that.
Click to expand...
Click to collapse
Basically you never flash any thing unless you are 200% sure its made for your phone/carrier . triple check and i personally never use anything not from xda
CAZADOR64 said:
Basically you never flash any thing unless you are 200% sure its made for your phone/carrier . triple check and i personally never use anything not from xda
Click to expand...
Click to collapse
Got it. Which miui on jb should I flash if not the one I found in the previous link. I just wanna be 200% sure
Sent from my Dark JellyBellyG1 using xda app-developers app
At least you know you messed up by doing something totally not necessary. Tmobile bootloader is already unlocked. So does odin recognize the device? Download mode doesn't work? Have you even tried booting into recover?
Sent from my SGH-T999
ami2510 said:
I thought if the root works for the verizon version and tmobile version then the bootloader will be the same. noob mistake. what the question is now, is why was I not able to install MIUI?
Click to expand...
Click to collapse
You probably was not able to install MIUI because you didnt have the latest recovery on your device. That was the issue I had when trying to install a ROM
Sent from my SGH-T999 using xda app-developers app
Yesterday i rooted and tried to install a Rom and used Rom manager to go into recovery mode. I thought you had to do the down+home+power and now when I try to do anything it wont work power button 20 sec , power+home , up/down+power+home,nothing.When i tried plug it into the computer it makes that sound when something failed to connect to the pc. When i tried holding the power button i hear the sound of the device successfully connect to the pc but when i look theres no phone on the computer and when i let go of the power button it stops. Any help would be very much appreciated and i will never do anything to risk my device being broken again...
What did you install? Link the ROM or at least the name of the ROM.
Sent from my SGH-T999 using xda premium
mt3g said:
What did you install? Link the ROM or at least the name of the ROM.
Sent from my SGH-T999 using xda premium
Click to expand...
Click to collapse
I didnt install anything all i did was use rom manager to go into recovery mode i was trying to install a jelly bean rom but recovery mode never showed up
Did you modify your build.prop?
Can you still access the download mode? If yes try to flash back a stock rom with odin.
Or remove the battery and try again to boot up in download mode.
Max) said:
Can you still access the download mode? If yes try to flash back a stock rom with odin.
Or remove the battery and try again to boot up in download mode.
Click to expand...
Click to collapse
No i cant acess anything download mode or clockwork recovery , cant connecty to pc cant turn on just a black screen...
Its volume up&home button&power you will see little blue text in the top left let go of buttons.
Sent from my SGH-T999 using xda premium
Try a different usb slot sometimes a usb slot may malfunction I had that problem.
Also don't use a usb extender hub if you are it may screw with the voltage.
a new usb I'm sure you've heard that one but this has the least chance of working because you the s3 makes the noise which means the usb works
Try a new computer and check that you have Kies installed
Try to restart the laptop that also helps
Hope I helped you out
Sent from my SGH-T999V using xda premium
Which Rom were u trying to flash be specific.
Sent from my SGH-T999 using xda premium
Unfortunately, I have this exact same problem. I'm really scared that I may have bricked my device...
The last time my phone was working, I simply updated my phone to CM10's latest update for the phone. Everything was working perfectly fine. All I did was download the latest rom from get.cm for my sgs3.
Then I read online that this new 4.1.2 rom came out. As a new member XDA won't allow me to post the link of the rom...but you can find it in the Original Development Thread of the T-Mobile SGS3. Slim-i9300-2.7.0-OFFICIAL is the name of the rom [I copied it directly].
After making a backup of my current rom, installing this rom and installing the new gapps, I rebooted the device and nothing has worked since... [this happened about 12 hours ago].
Now, when I take out the battery and plug the charger in, the notification light becomes solid red. But nothing works...I can't go into download mode, I can't go into recovery. I knew this immediately when the phone did not vibrate after me holding down the power button for a few minutes.
The red notification light only turns on when I plug in the phone when the battery is out. If I put the battery in, after a few moments it goes away. I honestly thought maybe the battery was just dead...but I left it plugged in all night and I still can't do anything with the phone.
Please, any help for me and whtnld would be much appreciated...
@OP
Did you mod the build.prop for any reason? (Google wallet maybe?)
If you did and then tried to update/install recovery through Rom Manager, it may have tried to install the wrong recovery on the wrong partition, resulting in a hard brick.
Sent from my SGH-T999 using xda app-developers app
jeikei4life said:
Unfortunately, I have this exact same problem. I'm really scared that I may have bricked my device...
The last time my phone was working, I simply updated my phone to CM10's latest update for the phone. Everything was working perfectly fine. All I did was download the latest rom from get.cm for my sgs3.
Then I read online that this new 4.1.2 rom came out. As a new member XDA won't allow me to post the link of the rom...but you can find it in the Original Development Thread of the T-Mobile SGS3. Slim-i9300-2.7.0-OFFICIAL is the name of the rom [I copied it directly].
After making a backup of my current rom, installing this rom and installing the new gapps, I rebooted the device and nothing has worked since... [this happened about 12 hours ago].
Now, when I take out the battery and plug the charger in, the notification light becomes solid red. But nothing works...I can't go into download mode, I can't go into recovery. I knew this immediately when the phone did not vibrate after me holding down the power button for a few minutes.
The red notification light only turns on when I plug in the phone when the battery is out. If I put the battery in, after a few moments it goes away. I honestly thought maybe the battery was just dead...but I left it plugged in all night and I still can't do anything with the phone.
Please, any help for me and whtnld would be much appreciated...
Click to expand...
Click to collapse
You flashed an intl rom. Hard bricked. Need JTAG repair or replace unit.
I was about to say, isn't the i9300 the intl version? the tgh-t999 is the TMOUS version.
You have to let go of the power button to get into recovery.
jeikei4life said:
Unfortunately, I have this exact same problem. I'm really scared that I may have bricked my device...
The last time my phone was working, I simply updated my phone to CM10's latest update for the phone. Everything was working perfectly fine. All I did was download the latest rom from get.cm for my sgs3.
Then I read online that this new 4.1.2 rom came out. As a new member XDA won't allow me to post the link of the rom...but you can find it in the Original Development Thread of the T-Mobile SGS3. Slim-i9300-2.7.0-OFFICIAL is the name of the rom [I copied it directly].
After making a backup of my current rom, installing this rom and installing the new gapps, I rebooted the device and nothing has worked since... [this happened about 12 hours ago].
Now, when I take out the battery and plug the charger in, the notification light becomes solid red. But nothing works...I can't go into download mode, I can't go into recovery. I knew this immediately when the phone did not vibrate after me holding down the power button for a few minutes.
The red notification light only turns on when I plug in the phone when the battery is out. If I put the battery in, after a few moments it goes away. I honestly thought maybe the battery was just dead...but I left it plugged in all night and I still can't do anything with the phone.
Please, any help for me and whtnld would be much appreciated...
Click to expand...
Click to collapse
Easy Way to find out if it's hard bricked is to connect your phone to pc... If pc displays qhsusb - I forget what else then you are hard bricked and need to jtag fix it which should run you around 60 buxs. Sorry bud if that's the case but next time don't flash anything i9300 if you have a t999
Sent from my SGH-T999 using xda app-developers app
chrisram88 said:
Easy Way to find out if it's hard bricked is to connect your phone to pc... If pc displays qhsusb - I forget what else then you are hard bricked and need to jtag fix it which should run you around 60 buxs. Sorry bud if that's the case but next time don't flash anything i9300 if you have a t999
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
I rooted my t999 yesterday got rooted but when i tried to flash cwm touch using mobile odin app i think i bricked it because it wont turn on either. Someone is it fixable since it wasnt a rom i tried to flash.
dna420 said:
I rooted my t999 yesterday got rooted but when i tried to flash cwm touch using mobile odin app i think i bricked it because it wont turn on either. Someone is it fixable since it wasnt a rom i tried to flash.
Click to expand...
Click to collapse
Can you boot into download mode? Volume Down + home + power button?
Sent from my SGH-T999
Rom manager is too buggy imo. Goo manager and TWRP recovery is the way to go next time.
My phone is stuck at the samsung logo for about 30 min. I tried flashing another rom but it didnt work. I can access download mode but not recovery mode.
What is my possible solution?
If the 3 button method doesn't work you may be able try ADB to get into recovery.
Sent from my SGH-I747 using xda app-developers app
Thenewguy1 said:
If the 3 button method doesn't work you may be able try ADB to get into recovery.
Sent from my SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
The three button method as in "Download Mode"?
ThatGuyIsEpic said:
My phone is stuck at the samsung logo for about 30 min. I tried flashing another rom but it didnt work. I can access download mode but not recovery mode.
What is my possible solution?
Click to expand...
Click to collapse
If you can get into download mode, then ODIN TWRP to your phone. Or ODIN the proper rooted ROM.
Sent from my SGH-I747
aybarrap1 said:
If you can get into download mode, then ODIN TWRP to your phone.
Sent from my SGH-I747
Click to expand...
Click to collapse
Do I flash TWRP in the PDA box on Odin?
Also note that I tried different usb cables and usb ports but nothing is working its still stuck at the boot screen
aybarrap1 said:
If you can get into download mode, then ODIN TWRP to your phone. Or ODIN the proper rooted ROM.
Sent from my SGH-I747
Click to expand...
Click to collapse
I flashed TWRP and tried booting into recovery mode but it doesnt work I get the samsung logo and in the top left hand corner I get recovery boot in blue text then after that it goes black
Is my device useless now?
aybarrap1 said:
If you can get into download mode, then ODIN TWRP to your phone. Or ODIN the proper rooted ROM.
Sent from my SGH-I747
Click to expand...
Click to collapse
All the ROMs I know require you to flash via ClockworkMod is there any ROMs you can flash with Odin?
ThatGuyIsEpic said:
I flashed TWRP and tried booting into recovery mode but it doesnt work I get the samsung logo and in the top left hand corner I get recovery boot in blue text then after that it goes black
Is my device useless now?
Click to expand...
Click to collapse
Vol up + home + power. When your device vibrates and you see the blue text, release just the power button
xbeerdroidx said:
vol up + home + power. When your device vibrates and you see the blue text, release just the power button
Click to expand...
Click to collapse
thank you so much i got it work :d
ThatGuyIsEpic said:
All the ROMs I know require you to flash via ClockworkMod is there any ROMs you can flash with Odin?
Click to expand...
Click to collapse
Uhhg
Just 5 minutes of reading and looking for and answer and you wouldn't have to make this thread -_-
http://www.sammobile.com/firmwares/1/?model=SGH-I747&pcode=ATT#firmware
Any of those firmwares will work on a i747
If you have a i747M or you're not ATT look here and select your correct phone information in the drop down boxes:
http://www.sammobile.com/firmwares/1/
These will restore you to factory, you will still have to root.
I still cant get my phone to work.
I have done this many times and the galaxy s3 logo comes up and then nothing..
I wasnt rooting my phone i was charging it last night.... the phone got hot so i unplugged. I tried to turn it on in the morning and it wouldnt turn on. i know how to put my phone in recovery mode, ive done it before but it wont. it will go into download mode but thats.about. it. I know i dont know much about phones but i know how to put it in recovery mode to clear the cache and that isnt working.... any thoughts?
jessicarabbit85 said:
I still cant get my phone to work.
I have done this many times and the galaxy s3 logo comes up and then nothing..
I wasnt rooting my phone i was charging it last night.... the phone got hot so i unplugged. I tried to turn it on in the morning and it wouldnt turn on. i know how to put my phone in recovery mode, ive done it before but it wont. it will go into download mode but thats.about. it. I know i dont know much about phones but i know how to put it in recovery mode to clear the cache and that isnt working.... any thoughts?
Click to expand...
Click to collapse
Does the phone actually connect to your pc? I assume you have the proper drivers installed? Open odin while in download mode and see if it detects the phone. Sounds as if the phone's bootloader is screwed. If its detected you should be able to fix without much trouble. Sometimes you have to flash the original stock rom as the newer ones sometime have trouble for whatever reason. Version 4.0.4 i believe.
scotteb said:
Does the phone actually connect to your pc? I assume you have the proper drivers installed? Open odin while in download mode and see if it detects the phone. Sounds as if the phone's bootloader is screwed. If its detected you should be able to fix without much trouble. Sometimes you have to flash the original stock rom as the newer ones sometime have trouble for whatever reason. Version 4.0.4 i believe.
Click to expand...
Click to collapse
I dont have odin on this computer, when i plug it in it isnt recognized, i assumed that was because it wasnt technically powered on. I guess i'll take it to someone tomorrow to have it looked at.... im so out of my element here... thanks.
jessicarabbit85 said:
I dont have odin on this computer, when i plug it in it isnt recognized, i assumed that was because it wasnt technically powered on. I guess i'll take it to someone tomorrow to have it looked at.... im so out of my element here... thanks.
Click to expand...
Click to collapse
If you can get the phone into download mode , it should auto install your drivers and make it recognizable by Odin.
Sent from my SAMSUNG-SGH-I747 using XDA Premium 4 mobile app