Okay so i have Galaxy S3 i747 for AT&T. I had downgraded it from 4.2.1 to 4.1.1 using a guide from this site for unlocking the device. Now I wanted to upgrade to the latest version. Now OTA was not available on the phone. So I used Odi3n to manually install the firmware, and after the phone restarted from completing the flash and it showed succeeded and went to the install screen. It finished and never turned back on, I have tried the SD card debrick but it doesn't seem to work. This is also my work phone so if anyone could please help me! I am out of ideas
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I've been trying to get my phone back on stock rom for hours or at least to the point where I can use it. Ive tried several methods in the past day. However, I have not been able to do it without success. This was all for the purpose of updating to 4.3 since I hadn't updated since I rooted my phone. First I unrooted it through Supersu and tried to apply the update but it wouldnt work so then I factory reset it. I applied the update again but it didnt seem to want to update to 4.3 . So then I went to TWRP and cleaned out the files, but I never checked to it to the system. After that It was stuck into a boot loop. It never got past the Galaxy s4 boot image. I still have a back up of everything after I rooted my phone, but after applying the following system recovery
stockroms.net/file/GalaxyS4/SPH-L720/L720VPUAMDC_L720SPTAMDC_SPR.zip
I am no longer able to use TWRP and my phone is still in the same situation. All I know about my phone without acess to the information in the about phone section is that it is a Verison Galaxy S4 and before I did anything it was on an android 4.2.2 rooted stock. On the box it say its a SPHl720BKK. If anyone could help me that would be greatly appreciated before I hard brick my phone with the little experiance i have.
santiagorook said:
I've been trying to get my phone back on stock rom for hours or at least to the point where I can use it. Ive tried several methods in the past day. However, I have not been able to do it without success. This was all for the purpose of updating to 4.3 since I hadn't updated since I rooted my phone. First I unrooted it through Supersu and tried to apply the update but it wouldnt work so then I factory reset it. I applied the update again but it didnt seem to want to update to 4.3 . So then I went to TWRP and cleaned out the files, but I never checked to it to the system. After that It was stuck into a boot loop. It never got past the Galaxy s4 boot image. I still have a back up of everything after I rooted my phone, but after applying the following system recovery
stockroms.net/file/GalaxyS4/SPH-L720/L720VPUAMDC_L720SPTAMDC_SPR.zip
I am no longer able to use TWRP and my phone is still in the same situation. All I know about my phone without acess to the information in the about phone section is that it is a Verison Galaxy S4 and before I did anything it was on an android 4.2.2 rooted stock. On the box it say its a SPHl720BKK. If anyone could help me that would be greatly appreciated before I hard brick my phone with the little experiance i have.
Click to expand...
Click to collapse
You're posting in a forum for the SCH-I545. That's a Verizon Galaxy S4.
The SPH-L720 is an international phone, You'll need to post on a forum for that particular variant of the GS4 if you expect any help.
So, I had tryed to install at root and flash a Rom onto my Samsung Galaxy s4 i337 using MF3. I was running Android 4.2.2 and when I had tried to unroot my device, something happened and I wasn't able to FULLY get the root off my device. A couple days ago, I had wanted to upgrade to the Android KitKat 4.4 so when I completed the process. It went into Download mode, and then just crashed. Right now it shows an error message saying
"System software not authorized by AT&T has been found on my phone. Please turn off your phone and go to the nearest AT&T store for help."
Also in the top left hand corner it says Secure fail:Kernel so obviously it means I am missing a Kernel of some sort.
Please help me!
How were you trying to upgrade - via OTA? So you have not successfully flashed 4.3 or 4.4.2 through Odin, correct? But you should be able to find everything you need here:
http://forum.xda-developers.com/showthread.php?t=2616221
and/or
http://forum.xda-developers.com/showthread.php?t=2663545
There's a couple different ways to go depending on if you are trying to save your bootloader to be able to downgrade again easier, if wanted, or not.
Hello all!
I am a really n00b with rooting and cutom ROMs and I wanted to try this with my old Samsung Galaxy S (GT-I9000) phone. Of course it failed and I managed to brick my phone but after lot of searching and trying I managed to unbrick it After this process I ended up with version 2.2.1 and I would like to know how to get back to version 2.3.6.
This is what I have done so far.
1) I updated my I9000 to version 2.3.6 using Kies.
2) I rooted my phone with CWM but I think that I used too recent version of Odin and got to bootloop.
3) After many tries and scouring the web for information I managed to unbrick my phone.
4) Unbricking ended up my phone being of version 2.2.1.
5) After some tries I managed to connect my phone to Kies again as I wanted to get my phone back to version 2.3.6 but Kies said that my phone was already up to date.
Now I don't know how to proceed.
I wanted to get back to 2.3.6 preferably with stock ROM as I read that after that it is much less risky to proceed to version 4+ than if I tried to do it straight from version 2.2.1.
Any and all help is greatly appreciated.
VeijoRiski said:
Hello all!
I am a really n00b with rooting and cutom ROMs and I wanted to try this with my old Samsung Galaxy S (GT-I9000) phone. Of course it failed and I managed to brick my phone but after lot of searching and trying I managed to unbrick it After this process I ended up with version 2.2.1 and I would like to know how to get back to version 2.3.6.
This is what I have done so far.
1) I updated my I9000 to version 2.3.6 using Kies.
2) I rooted my phone with CWM but I think that I used too recent version of Odin and got to bootloop.
3) After many tries and scouring the web for information I managed to unbrick my phone.
4) Unbricking ended up my phone being of version 2.2.1.
5) After some tries I managed to connect my phone to Kies again as I wanted to get my phone back to version 2.3.6 but Kies said that my phone was already up to date.
Now I don't know how to proceed.
I wanted to get back to 2.3.6 preferably with stock ROM as I read that after that it is much less risky to proceed to version 4+ than if I tried to do it straight from version 2.2.1.
Any and all help is greatly appreciated.
Click to expand...
Click to collapse
Just need to find the file for 2.3.6 for your phone and region and presumably just like you did for 2.2.1. Use Odin 1.85 and put the firmware file that is in .tar or tar.md5 format into the PDA slot.
You can go here: http://www.sammobile.com/firmwares/ and search for your phone and download the appropriate file. There might be a quicker download mirror in the XDA forum for your phone.
I was trying to update my Verizon Note 2 (SCH-i605) from 4.1.1 to KitKat. Unfortunately, my boot loader was locked and now all I get is a 'System software not authorized by Verizon...' screen at boot. I've try several tutorials using Odin to restore stock but nothing works. Has anyone else had trouble doing this? Is my phone permanently bricked?
can you get the phone in download mode?
also what did you do to get where you are now, we need some more details in order to help.
I got it back up and running. I got into the predicament in the first place by not unlocking my bootloader. I was trying to flash back to stock with a rooted version. When I used the unrooted, it worked fine.
Hi,
I have a Verizon Samsung Galaxy S4
SCH-1545
4.2.2
1545VRUAME7
I rooted it way back and the phone has been great. But many apps i want no longer work with this software version.
I reset the phone to factory but am unable to update the firmware. It checks and says there is new firmware and i download it and try to install it but when the phone reboots it says the download/update failed.
Is my phone not fully unrooted even with the factory reset ?
when i boot the phone it does have the lock icon and says custom ?
do i need to restore through Odin or something ? all the link i find are dead.
thanks