Friday, 22 July 2016

OP2 stuck in bootloop on upgrading 3.0.2 .. even after trying tons of things



First of all i want to say thankyou to the xda community who help people like us and build rooting and other flashing softwares.

So, this is probably my first post on xda, first for sure when i'm stuck and asking for help

Background of the Problem:
I was on OS 2.1.2 rooted with twrp recovery. (was really happy with my phone)
MM 3.0.2 upgrade comes and i decide to upgrade my phone manually (since ota was disabled due to root)
All goes well in first try..(did a dirty flash) OP2 3.0.2 runs smoothly
However, i found out i had lost root and couldn't boot into recovery.
I ignored for a month when i decided it was too hard to go on without root now..

So i searched through a few forums, went into fastboot tried oem unlocking.. failed.. Stuck hard in the bootloop..
Searched for about 3hours and used the MSM tool to finally unlock bootloader.. but still stuck at bootloop and no luck with recovery.. I couldn't boot into my installed rom(3.0.2)

I flashed recovery from OOS 2.1.2 or 2.0.1 and booted into recovery and flashed 2.1.2 again..
So now, 2.1.2 runs fine on my phone

I have refered to these guides/files while trying to install 3.0.2 or trying to recover my phone
http://forum.xda-developers.com/onep...s-3-x-t3392826
https://www.androidfilehost.com/?w=f...f4a13afecc347f
https://www.androidfilehost.com/?w=f...9e2340a15d9033
https://forums.oneplus.net/threads/u...plus-2.347607/
http://forum.xda-developers.com/onep...s-3-x-t3392826

PROBLEM:
Whenever i update my phone to 3.0.2, it stucks at the bootloop (showing oneplus logo and cmd showing it in fastboot mode)
i lose recovery and rom
i have tried flashing grarak recovery and hybrid recovery (both of which i believe are modded recovery for OOS MM)
In cmd, fastboot flash command completes without any problem but the phone doesnt boot to recovery and both give an error while giving the fastboot boot command
" downloading boot.img
OKAY
booting...
FAILED (remote: dtb not found)"
finished. "
Please suggest me something so that i can boot into 3.0.2 without bootloop problem.. 3.0.2 runs really smooth..
and additionally if possible, i would like to root but thats secondary.
Thankyou guys in advance. Please help a brother out



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