Hi, I want to root with magisk my tab s5e (wifi) but when I enable OEM unlock and boot it to download mode It doesn't appear any warning screen about unlocking the bootloader, and when I try to install twrp with Odin it fails an says "custom binary (recovery) blocked by OEM lock"
EDIT: After reading carefully this tutorial: "https://forum.xda-developers.com/tab-s5e/how-to/galaxy-tab-s5e-sm-t720-root-t3947806" I founded that I was using the wrong method to unlock bootloader and it was my fault because I was using my old's tab A6 method. Anyways thanks to everyone.
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in bootloader screen i can see in red « PHONE Unlocked » and just under in green « FRP Lock ».
in nougat settings, OEM unlock is grayed out in disabled position in settings (maybe it's normal as i unlocked the bootloader already).
i already flashed before successfully TWRP and stock recovery both in MM and nougat without problem, but it's not working anymore.
« flashboot oem lock », « flashboot boot », etc… are giving the same error. only basic things like « fastboot » reboot works.
I googled for hours my problem, it's all about people having their bootloader not unlocked.
Any idea?
Well, i reply to myself, the FRP Lock was the problem, and a bug in B301 prevented me from setting this to off, i had to do a rollback procedure to EMUI4 (rollback update + full firmware update) so that i could disable FRP lock by setting the OEM unlock option (which way available after 2 reboots).
be prepared to have backups, hopefully one day we will have full firmware for nougat available!
edit: dunno how to mark a thread as « solved »
Hi, i have the same Problem, FRP is locked and bootloader unlocked...how did you rollback to EMUI4? I cannt enter TWRP...is it possible to unlock FRP in fastboot mode? THX for your help!
*zahni* said:
Hi, i have the same Problem, FRP is locked and bootloader unlocked...how did you rollback to EMUI4? I cannt enter TWRP...is it possible to unlock FRP in fastboot mode? THX for your help!
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Click to collapse
Well, i placed the rollback files in dload folder of the external sd card then i entered recovery to apply it.
It is not normal that you can't enter any recovery, you shall try the 4 combinations to be sure (boot with or without the cable connected, and with either vol up or vol down), one of the combination will bring you to fastboot and another to the installed recovery. Try also with both up and down pressed just in case ^^
I seem to have lost the ability to unlock the bootloader of my XT1700. I previously had unlocked the bootloader and installed TWRP and SuperSU, which took a while to figure out, but it worked. Today I tried to install a newer version of the stock firmware using SP flash tool (from here), which seemed to work fine, except now I find I am unable to reinstalled TWRP or SuperSU because I cannot unlock the boot loader.
When the phone boots, I still see the "device unlocked" message, and I have enabled oem unlocking and USB debugging in the developer options menu, however when I go into fastboot mode, if I run the "fastboot oem unlock" command, when the phone prompts me to press up or down, I get an "unlocking failed" error, and Fastboot reports "Unlock operation is not allowed"
Any ideas on how I can unlock this device again?
So it seems like those firmware images must have locked boot loaders. I ended up installing an xt1706 firmware instead (from here) and was able to unlock the boot loader successfully.
Anyone know where to get xt1700 stock firmwares with unlocked boot loader?
Hi,
I've tried all the following steps in the video and I got the error "flashing lock is not allowed". I've already flashed stock rom and recovery and wiped the phone so it's as stock as it gets yet I still get the same error when I enter "fastboot oem lock". Please help ASAP!!!! I'm trying to update to Android 8.0 but the update keeps failing because my bootloader is unlocked
Thanks in advanced.
https://forum.xda-developers.com/oneplus-5/how-to/lock-oneplus-5-bootloader-guide-t3651819
Go to developer settings.. check the oem unlock option. If it's off, bootloader won't relock. You need to turn it on. If it's greyed out & can't be turned on, then you need to root your firmware or flash custom rom & turn it on.
When you have this problem, only magisk will help you turn on allow bootloader unlocked when it's grayed out.
So, you have to flash magisk, turn on allow bootloader to be unlocked in devlopper settings, then flash a clean OOS, make sure there's no modification like custom recovery or root, then relock your bootloader.
Good luck!
use command "fastboot flashing lock" instead of "fastboot oem lock", this will lock your bootloader
hope this tutorial will help you....!!! https://www.youtube.com/watch?v=CQYCSdDUdAU
I had the same problem and solved using magistik, reenable unlock volta loader and After relock.
Is there any way to unlock frp from the fastboot if the bootloader is unlocked and the device is bricked.
Already tried : fastboot oem relock xxxxx
Returns : command not allowed
I am on stock recovery and the device is bricked right now.
Help needed!Many thanks!
http://www.androidash.com/6-easy-steps-to-unbrick-huawei-honor-v9/
you can try this, I dont know how usefull it can be
I don't think there will be FRP because the V9 doesn't come with all the Google stuff. Unless, they were added afterwards by installing them all manually.
I tried to install lineage 15 so why I formatted my device but forgot to check developer setting > enable OEM. Now I am stuck on boot loop with frp lock, no way to install a custom recovery. I relock OEM and tried to unlock now I am fully stuck because I cannot unlock bootloader because I forgot to check to enable OEM in developer setting. I googled and found a tool called DC Unlocker but only lost my 15 euro. Is there any way I can re-vibe my phone? Help me, please.
Device state,
bootloader lock
OEM lock
no OS
:crying::crying::crying::crying::crying::crying::crying::crying::crying::crying: