What happens if I disable OEM-Unlock in developer settings? - OnePlus 6 Questions & Answers

I already unlocked the bootloader, happens anything if I turn off oem unlock in developer settings or will the bootloader relock?

Maik_ said:
I already unlocked the bootloader, happens anything if I turn off oem unlock in developer settings or will the bootloader relock?
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Turned it off once by accident but turned on again.. Nothing changed

I don't think anything changes unless u relock it via fastboot, which at that point as long as u can boot back into the OS, u can always unlock it again, relocking bootloader will format ur data and u will no long be rooted or have twrp installed

locking your bootloader with root etc installed can cause major problems so before doing that you should flash a stock firmware otherwise you will be locked out

Why would you want to do this? There is no benefit to it if you plan to stay rooted.

Need to find something to do. You bored

iElvis said:
Why would you want to do this? There is no benefit to it if you plan to stay rooted.
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I want to disable developer options, but if I do that OEM-Unlock automatically turns off and I don't want to reboot because I dont want that I lock myself out.

Your cat will get knock up..........again!

Maik_ said:
I want to disable developer options, but if I do that OEM-Unlock automatically turns off and I don't want to reboot because I dont want that I lock myself out.
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Just turning off Developer Options won't relock your bootloader. You can only do that manually in fastboot. But you'll also lose USB debugging, which means adb won't work anymore in case something goes wrong. (But leaving USB debugging on all the time isn't the best idea anyway.)

Hello everyone
I think I did that mistake
I have twrp installed on my phone Samsung SM-G532F . my phone was working just fine but I have locked the oem for no reason .
now when I turn off the device and tried to turn it on it shows { Custom binary blocked by FRP. (boot. img) }
and when I open recovery mode it shows { Custom binary blocked by FRP. (recovery. img) }
the download mode is working and shows that the FRP lock is on .
I tried to flash the stock recovery with odin but since the FRP is locked it failed .
the adb is not working because the device cannot boot , even the battery symbol when I plug my phone with a charger is not displayed and shows the error { Custom binary blocked by FRP. (boot. img) }
any ideas will help a lot .

omer123137 said:
Hello everyone
I think I did that mistake
I have twrp installed on my phone Samsung SM-G532F . my phone was working just fine but I have locked the oem for no reason .
now when I turn off the device and tried to turn it on it shows { Custom binary blocked by FRP. (boot. img) }
and when I open recovery mode it shows { Custom binary blocked by FRP. (recovery. img) }
the download mode is working and shows that the FRP lock is on .
I tried to flash the stock recovery with odin but since the FRP is locked it failed .
the adb is not working because the device cannot boot , even the battery symbol when I plug my phone with a charger is not displayed and shows the error { Custom binary blocked by FRP. (boot. img) }
any ideas will help a lot .
Click to expand...
Click to collapse
You cannot boot with a custom recovery and a locked bootloader. As to how to fix this, you need to ask in the Samsung forums. This is for OnePlus 6.

If you have a oneplus look in the forum for msmdownloadtool and follow the steps, you can revive your phone.
If your phone its a samsung, search in samsung forums for a tool to unbrick your phone.

iElvis said:
You cannot boot with a custom recovery and a locked bootloader. As to how to fix this, you need to ask in the Samsung forums. This is for OnePlus 6.
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I was finally able to solve this issue with flashing the official firmware with odin . now I will never touch the oem unlock button ever again :laugh: . but thank you for your reply .
---------- Post added at 07:27 PM ---------- Previous post was at 07:22 PM ----------
Toni Moon said:
If you have a oneplus look in the forum for msmdownloadtool and follow the steps, you can revive your phone.
If your phone its a samsung, search in samsung forums for a tool to unbrick your phone.
Click to expand...
Click to collapse
I downloaded and flashed the official firmware with odin and it worked . thanks for the reply

I did this once on my OnePlus X, disabled oem unlocking in developer options. phone and recovery worked fine. I did a backup. Flashed a new rom to test it. The rom had AOSP recovery in the zip, overwriting twrp (opx has separate recovery partition). I flashed gapps affter the rom and the setup wizard was crashing so I could not boot in the home screen. Tried TWRP, its gone. Tried to boot to twrp via fastboot, oem locked. Had to do hard brick reset. Backup and data, gone.
TLDR, you should leave it on, unless you are on stock firmware.

After flash a rom you must flash twrp recovery again, restart in recovery and flash gapps and magisk

First of all you have to flash combination file associated with your device model through ap slot of odin.
Then your phone will turn on and you can access settings through which you can turn on oem unlock.
Then you can install your desired rom into your device

Sinankhan.official said:
First of all you have to flash combination file associated with your device model through ap slot of odin.
Then your phone will turn on and you can access settings through which you can turn on oem unlock.
Then you can install your desired rom into your device
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Click to collapse
This isn't a Samsung device.

Maik_ said:
I already unlocked the bootloader, happens anything if I turn off oem unlock in developer settings or will the bootloader relock?
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Click to collapse
I also accidentally turned off oem in rooted phone , Does my bootloader locked or I can safely reboot

I restored the stock firmware using Odin, but now I see that the bootloader is still unlocked.
When try to lock it again the system says: "If OEM unlock is turned off, your phone will be reset to factory default settings after restart. This will erase all of your data... " etc.
My question is: will the firmware be still in place? I don't mind everything being wiped, because most of it will be restored anyway when I login to Google and Samsung again.

SamarSS123 said:
I also accidentally turned off oem in rooted phone , Does my bootloader locked or I can safely reboot
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Click to collapse
No

Related

OnePlus 3 relocking bootloader

I was installed with Twrp and had rooted my oneplus 3.
I unticked root access in supersu.
Booted to bootloader and typed on my pc in command prompt ,"Fastboot oem lock"
This gave a confirmation on my device,I confirmed locking.
And after that my device did not booted up.I managed to get in bootloader again as I was not even able to open the recovery and unlocked the bootloader once again by this my device booted up.
I flashed stock recovery and repeated the relocking process,this time I was able to open recovery also but no able to boot up.
I again unlocked the bootloader and installed twrp back turned my device up.
Then I unchecked oem unlocking under developer options.
Relocked the bootloader once again.
And now I am stuck at bootloader,not able to unlock it even this time as I turned off oem unlocking.
Now I can only open bootloader.
Please help!
hchawla98 said:
I was installed with Twrp and had rooted my oneplus 3.
I unticked root access in supersu.
Booted to bootloader and typed on my pc in command prompt ,"Fastboot oem lock"
This gave a confirmation on my device,I confirmed locking.
And after that my device did not booted up.I managed to get in bootloader again as I was not even able to open the recovery and unlocked the bootloader once again by this my device booted up.
I flashed stock recovery and repeated the relocking process,this time I was able to open recovery also but no able to boot up.
I again unlocked the bootloader and installed twrp back turned my device up.
Then I unchecked oem unlocking under developer options.
Relocked the bootloader once again.
And now I am stuck at bootloader,not able to unlock it even this time as I turned off oem unlocking.
Now I can only open bootloader.
Please help!
Click to expand...
Click to collapse
OEM locking a bootloader on a phone that was rooted is a big mistake.
You'll need to flash stock recovery, then flash the stock ROM via adb sideload.
Can be done with this tool http://forum.xda-developers.com/oneplus-3/development/toolkit-oneplus-3-toolkit-unlock-t3398799
Thanks for reply
Newyork! said:
OEM locking a bootloader on a phone that was rooted is a big mistake.
You'll need to flash stock recovery, then flash the stock ROM via adb sideload.
Can be done with this tool http://forum.xda-developers.com/oneplus-3/development/toolkit-oneplus-3-toolkit-unlock-t3398799
Click to expand...
Click to collapse
with that tool I was only able to wipe cache.
Nothing else is working
It says failed
hchawla98 said:
with that tool I was only able to wipe cache.
Nothing else is working
It says failed
Click to expand...
Click to collapse
Can you access stock recovery?
NO
Newyork! said:
Can you access stock recovery?
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Click to collapse
I can't access it as I am installed with TWRP Recovery as it is also not starting.

FRP locked. how to flash twrp?

Well I'm having a strange issue.
I've unlocked bootloader then flashed twrp. It didn't work then. When i boot my phone to recovery, a screen appears with a security warning and nothing happens. Then somehow my frp is triggered. Now i can't flash anything and my recovery is messed up . My phone boots normally though.
Is there any way to unlock the FRP? :/
Anyone? ?
Rommco05 said:
In developer options is OEM setting which need be enabled for FRP unlocked. Probably with unlocked bootloader u cant change this option, so need relock bootloader and enable OEM and again unlock bl
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I know that brother. I've tried dload method for full firmware restore. Sadly after 5% it shows error . Now I'm left with no options at all.

FRP Locked error

Guys, I tried to flash TWRP recovery on my A7, build number xxu1asa4.
I unlocked OEM first, then booted into download mode to install system and suddenly disconnected my phone from PC:
"Custom binary blocked by FRP lock"
I have locked OEM now, no recovery access, and there is a soft brick in my smartphone. :crying:
Does anyone know how to fix that issue?
NickDeveloper said:
Guys, I tried to flash TWRP recovery on my A7, build number xxu1asa4.
I unlocked OEM first, then booted into download mode to install system and suddenly disconnected my phone from PC:
"Custom binary blocked by FRP lock"
I have locked OEM now, no recovery access, and there is a soft brick in my smartphone. :crying:
Does anyone know how to fix that issue?
Click to expand...
Click to collapse
I am also experiencing this problem, the solution is to take in a technician or authorized Samsung.
NickDeveloper said:
Guys, I tried to flash TWRP recovery on my A7, build number xxu1asa4.
I unlocked OEM first, then booted into download mode to install system and suddenly disconnected my phone from PC:
"Custom binary blocked by FRP lock"
I have locked OEM now, no recovery access, and there is a soft brick in my smartphone. :crying:
Does anyone know how to fix that issue?
Click to expand...
Click to collapse
You should've not unlocked the OEM, but also disable the FRP Lock. Initiating a factory reset from Settings (which will force you to enter your Samsung Account password) would've done the trick.
To get your Phone running again, reflash Stock ROM and just repeat the process.

My phone keeps on booting to fastboot

Hi all. Need urgent help here. I tried flashing my phone following everything on one post i found for flashing(androidbiits[dot]com/root-oppo-realme-5-rmx1911-easily/). But something went wrong(I don't know what went wrong, I just followed everything step by step). My phone suddenly keeps on booting to fastboot mode. I tried entering recovery mode but it boots to fastboot mode instead. Need help
PS. I tried to reflash my phone with rmx1911 stock rom. But I noticed my device state is locked. I can't somehow unlock it with fastboot(fastboot flashing unlock). A bootloader unlock prompt appears on my phone and when I choose to unlock the bootloader, my phone just reboots back to fastboot mode with the device state still locked
Use msm tool and ofp file for realme 5 ..you have to flash whole rom again..and it can be flashed in phone state locked too
Give the following commands :
$ fastboot flashing unlock
Then flash TWRP
Then flash stock ROM by renaming .ozip to .zip via TWRP.
mine too ... is there anything I can fix
mine too ... is there anything I can fix
joniyesnoppa said:
mine too ... is there anything I can fix
Click to expand...
Click to collapse
Flash this file use command-
fastboot flash vbmeta vbmeta.img
---------- Post added at 08:24 PM ---------- Previous post was at 08:20 PM ----------
sumeetsk2 said:
Flash this file use command-
fastboot flash vbmeta vbmeta.img
Click to expand...
Click to collapse
bit.ly/383BPIp
Download and Flash this files
how do I enable fast charging 3.0 because charging defaults only to 1.4a even though redmi 3s can only 1.9ampere
Cant flash vbmeta.img ... Anyone? Help
limilnate1 said:
Hi all. Need urgent help here. I tried flashing my phone following everything on one post i found for flashing(androidbiits[dot]com/root-oppo-realme-5-rmx1911-easily/). But something went wrong(I don't know what went wrong, I just followed everything step by step). My phone suddenly keeps on booting to fastboot mode. I tried entering recovery mode but it boots to fastboot mode instead. Need help
PS. I tried to reflash my phone with rmx1911 stock rom. But I noticed my device state is locked. I can't somehow unlock it with fastboot(fastboot flashing unlock). A bootloader unlock prompt appears on my phone and when I choose to unlock the bootloader, my phone just reboots back to fastboot mode with the device state still locked
Click to expand...
Click to collapse
Mine to have the same issue....i think you should visit nearest realme service center for flashing stock rom
The Phone is unable to flash vbmeta beacuse the phone is in locked condition
There only one way "FLASH STOCK ROM"
Contact me +923358048675 whatsapp 100% remote service
limilnate1 said:
Hi all. Need urgent help here. I tried flashing my phone following everything on one post i found for flashing(androidbiits[dot]com/root-oppo-realme-5-rmx1911-easily/). But something went wrong(I don't know what went wrong, I just followed everything step by step). My phone suddenly keeps on booting to fastboot mode. I tried entering recovery mode but it boots to fastboot mode instead. Need help
PS. I tried to reflash my phone with rmx1911 stock rom. But I noticed my device state is locked. I can't somehow unlock it with fastboot(fastboot flashing unlock). A bootloader unlock prompt appears on my phone and when I choose to unlock the bootloader, my phone just reboots back to fastboot mode with the device state still locked
Click to expand...
Click to collapse
..
Realme has just release its flashtool to flash there ofp firmware through fastboot. Just try it. and post result.
Note: This require bootloader to unlock
Flashtool Link:
https://download.c.realme.com/flash/Flash_tool/realme_Flash_Tool.zip
Firmware Link:
https://combinefile.com/index.php?a=downloads&b=file&c=download&id=42977
not flashing
my realme 5 stuck in fastboot mode and bootloader is lock and vbmeta image want bootloader unlock
plz plz help me
stay home and staysafe friends

Question Removing the "Phone is locked can't be used without authorization"

Hey
Is there new 2023 methods to get rid of phone is locked screen? I enabled adb and removed kg lock. Upon disabling systemUI, the screen is blank, How can I manage to get rid of that lock by unistalling system app, or installing new systemUI and getting rid of the original one which is locked.
BARMASAI said:
Hey
Is there new 2023 methods to get rid of phone is locked screen? I enabled adb and removed kg lock. Upon disabling systemUI, the screen is blank, How can I manage to get rid of that lock by unistalling system app, or installing new systemUI and getting rid of the original one which is locked.
Click to expand...
Click to collapse
Install Odin on your camputeur and reinstall your whole system with it.
the A125F system firmware is at this link : https://samfw.com/firmware/SM-A125F
To get to re install the system is not that easy. First no option to factory reset at recovery mode, then locked bootloader. If you can assist on the same, it will really help
give it back jamal
clarify
BARMASAI said:
To get to re install the system is not that easy. First no option to factory reset at recovery mode, then locked bootloader. If you can assist on the same, it will really help
Click to expand...
Click to collapse
If the bootloader is locked, then connect the phone at your pc and press volume + and volum - until the phone starting in download mod and there re install system with odin.
BARMASAI said:
Hey
Is there new 2023 methods to get rid of phone is locked screen? I enabled adb and removed kg lock. Upon disabling systemUI, the screen is blank, How can I manage to get rid of that lock by unistalling system app, or installing new systemUI and getting rid of the original one which is locked.
Click to expand...
Click to collapse
get into BROM Mode, use SP Flash Tool to flash normal firmware, then use FRP Bypass to bypass setup, then turn on OEM Unlocking, reboot to download, enable oem unlocking, reboot to download again, and flash TWRP, from TWRP flash a GSI or a custom ROM.
TheWorldYT said:
get into BROM Mode, use SP Flash Tool to flash normal firmware, then use FRP Bypass to bypass setup, then turn on OEM Unlocking, reboot to download, enable oem unlocking, reboot to download again, and flash TWRP, from TWRP flash a GSI or a custom ROM.
Click to expand...
Click to collapse
This may or may not work too, I have never tried this method before, but it looks fine for the removal of that screen. or in SAMFW Tool I think there is a MDM Bypass, if not then you can use SAMFW tool to bypass the FRP on that phone.

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