Samsung galaxy A3(2016) bootloop - Android Q&A, Help & Troubleshooting

Hello, I have Samsung galaxy a3(2016) phone.
I've update it via settings->update firmware from 5.1.1 to 6.0.1 I've rooted it with Odin and everything worked fine but I've accidentally uninstalled Google play services. Afterwards using Odin3.12.3 I've flashed official 5.1.1 firmware. Although Odin said "PASSED" my phone is stuck in bootloop. I've tried again flashing with Odin 3.10.7 but result was the same. I've tried again with both Odins with "Phone bootloader update" but it's all the same.
I've flashed 6.0.1 version again but I'd really like 5.1.1 version if it's possible.
Thank you for your time and answers.

Related

[help] Mobile Odin Pro + MK6 4.3

I encountered a strange problem while using Mobile Odin Pro v.3.85 with 4.3 MK6
My phone : Samsung Galaxy S3
I usually use Mobile Odin Pro to flash firmware, i enable inject Root and SU so I wont lose Root and dont increase counter, staying all official.
Let me explain what I did.
I started from 4.1.2 all stock with root and MOP v 3.50 (mobile odin pro v 3.50). Downloaded MK6 firmware from thread in general s3 section and flashed using MOP with ever root: everything okay Im on 4.3. I tryied to open SuperSu and it says there isnt any SU binary with a message saying: "if you just updated to 4.3 install root manually". So i used CF Auto Root for S3 and installed it: once rebooted i couldnt find any SU icon in drawer, had to download latest from Play Store and I was rooted but with counters to "Unofficial" since I flashed with odin.
Now I reflashed 4.3 to avoid getting Unofficial Status: updated MOP to 3.85 latest, it auto downloads flash kernel, flashed 4.3 with everroot (I was already on 4.3 but with unofficial status). All I was hoping to achieve was a 4.3 rooted with MOP 3.85 and all counters to official. For past versions like 4.1.2 it worked!
MOP rebooted S3 and started flashing 4.3: at the end it was in a loop, it continued to flash 4.3 over and over.
Why I got that loop? It was an compatibility issue with 4.3 bootloader and MOP flash kernel?
Have I to downgrade bootloader to ICS first (like I had before)?
I had to go in download mode and flash 4.3 using pc odin, I was so scared! Now im on 4.3 without root but id like to have it with counters set to official.
Thank you, steebro.
loop issue
steebro said:
I encountered a strange problem while using Mobile Odin Pro v.3.85 with 4.3 MK6
My phone : Samsung Galaxy S3
I usually use Mobile Odin Pro to flash firmware, i enable inject Root and SU so I wont lose Root and dont increase counter, staying all official.
Let me explain what I did.
I started from 4.1.2 all stock with root and MOP v 3.50 (mobile odin pro v 3.50). Downloaded MK6 firmware from thread in general s3 section and flashed using MOP with ever root: everything okay Im on 4.3. I tryied to open SuperSu and it says there isnt any SU binary with a message saying: "if you just updated to 4.3 install root manually". So i used CF Auto Root for S3 and installed it: once rebooted i couldnt find any SU icon in drawer, had to download latest from Play Store and I was rooted but with counters to "Unofficial" since I flashed with odin.
Now I reflashed 4.3 to avoid getting Unofficial Status: updated MOP to 3.85 latest, it auto downloads flash kernel, flashed 4.3 with everroot (I was already on 4.3 but with unofficial status). All I was hoping to achieve was a 4.3 rooted with MOP 3.85 and all counters to official. For past versions like 4.1.2 it worked!
MOP rebooted S3 and started flashing 4.3: at the end it was in a loop, it continued to flash 4.3 over and over.
Why I got that loop? It was an compatibility issue with 4.3 bootloader and MOP flash kernel?
Have I to downgrade bootloader to ICS first (like I had before)?
I had to go in download mode and flash 4.3 using pc odin, I was so scared! Now im on 4.3 without root but id like to have it with counters set to official.
Thank you, steebro.
Click to expand...
Click to collapse
Hi! Regarding your boot loop problem, may I suggest that after you flash with MOP, do go into recovery (cwm) and first do a wipe data / factory reset, followed by wipe cache partition. This will give you a fresh rom install. I may be wrong, but that is usually where the problem lies (not doing a wipe data / wipe cache after a fresh (official) ROM install. That's what I have read on countless forums. Hope it helps. Good luck!

Really need some help! G925I

Guys,
I update my bootloader and modem to 5.1.1 to install a new rom, I flashed via Odin and pass! But my phone got stucked in the S6 Edge screen on start.
I tryied to flash my nandroid but it was a 5.0.2 rom and I read that the bootloader 5.1.1 don´t downgrad to 5.0.2.
Resuming: The stock firmware 5.1.1 for my version G925I (ZTO) Brazil haven´t release yet.
The emergency recover from Smart Switch try to go back to 5.0.2, but fails in the process.
I tryied to flash an 5.1.1 version from Indian, and UK.
Sometimes pass in the Odin, but when my phone start, after the S6 Edge screen, appears a light blue screen and a Android and begin install. In the middle stops and show the message " Erasing" and the phone keeps rebooting.
Note: Sometimes the same firmware fails in the Odin, and I just flash again and Pass...
I have already tryied to remove the Hidden Img and flash. But goes to the same loop i´ve described.
My hope now is wait for the 5.1.1 for my version (ZTO) and try via Smart Switch or via Odin...
Anyone have any ideas? Thx :crying:
rafaelrgm said:
Guys,
I update my bootloader and modem to 5.1.1 to install a new rom, I flashed via Odin and pass! But my phone got stucked in the S6 Edge screen on start.
I tryied to flash my nandroid but it was a 5.0.2 rom and I read that the bootloader 5.1.1 don´t downgrad to 5.0.2.
Resuming: The stock firmware 5.1.1 for my version G925I (ZTO) Brazil haven´t release yet.
The emergency recover from Smart Switch try to go back to 5.0.2, but fails in the process.
I tryied to flash an 5.1.1 version from Indian, and UK.
Sometimes pass in the Odin, but when my phone start, after the S6 Edge screen, appears a light blue screen and a Android and begin install. In the middle stops and show the message " Erasing" and the phone keeps rebooting.
Note: Sometimes the same firmware fails in the Odin, and I just flash again and Pass...
I have already tryied to remove the Hidden Img and flash. But goes to the same loop i´ve described.
My hope now is wait for the 5.1.1 for my version (ZTO) and try via Smart Switch or via Odin...
Anyone have any ideas? Thx :crying:
Click to expand...
Click to collapse
Here is a guide, if you did anything wrong with flashing bootloader + modem. Try it again and read every step carefully and BE SURE TO DOWNLOAD THE RIGHT MODEM + BOOTLOADER! The models are just under the guide.
http://forum.xda-developers.com/showpost.php?p=60112855&postcount=3
After that find a G925I 5.1.1. As long as it's the right model, it should work. Doesn't matter if it's for your own country.
You're seeing "Kernel not seandroid enforcing" or "Recovery not seandroid enforcing" on the top in red when trying to boot, right?
If so, this should fix it.
Faspaiso said:
Here is a guide, if you did anything wrong with flashing bootloader + modem. Try it again and read every step carefully and BE SURE TO DOWNLOAD THE RIGHT MODEM + BOOTLOADER! The models are just under the guide.
http://forum.xda-developers.com/showpost.php?p=60112855&postcount=3
After that find a G925I 5.1.1. As long as it's the right model, it should work. Doesn't matter if it's for your own country.
You're seeing "Kernel not seandroid enforcing" or "Recovery not seandroid enforcing" on the top in red when trying to boot, right?
If so, this should fix it.
Click to expand...
Click to collapse
Thx man, but I fixed removing the Hidden.img, cm.bin and sboot.bin files in that were inside the .tar file and Flash! WORK!!! Now im with 5.1.1

Galaxy s6 - can't re-install stock firmware

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I have Samsung s6 sm-g920l neither 5.0 or 5.1 stock firmwares work
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