How do I unlock the bootloader of my G313HU? - Samsung Galaxy Ace 4

I didn't see any option of OEM unlocking in Developer options and I flashed TWRP which didnt clear out after reboot. Does that mean the bootloader is already unlocked? and Im having problems with custom roms. Even after flashing the stock rom, I am facing random reboots and bootloops.

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issue with bootloader re-locked?

Hello guys, I have a weird issue
Few weeks ago I unlocked the bootloader, installed TWRP, rooted, flashed a kernel, etc. All went fine. Today I tried to flash an updated TWRP via fastboot and it tells me the bootloader is locked! I've seen some people with the same problem, can anybody help!?
Thanks in advance :good:
nobody faced the same issue? In other forum someone had the same problem and had to unlock again the bootloader after flashing back the stock recovery but, what causes the issue of the bootloader re-locked out of nowhere, when TWRP, root... everything is working just fine?
Just unlock it again? also it's way easier to flash recoverys with Flashify
unlocking it again will wipe my data, and also it's not sure it will re-lock itself again. I would like to be able to use fastboot in case I have to flash sth using it

CM13 bootloader issue

I have version 0323 of this rom http://forum.xda-developers.com/one.../rom-cyanogenmod-13-x-oneplus-x-onyx-t3279784 installed and I dont have custom recovery flashed I just boot into TWRP whenever I need to. Today I decided to flash 4K camera mod, but when I tried to boot into TWRP and abd said this (see picture). I've used a lot of different roms before this one and i've never had any problems with this.
It is a unoffical CM13 rom and I have unlocked my bootloader with fastboot oem unlock command and I have checked enable OEM unlock in the developer options. So should I try to unlock bootloader again?
Your bootloader is obviously locked. Try and see if you can unlock it via fastboot.

cant unlock bootloader because i have twrp installed

hi
i rooted my device and installed twrp and DU rom.
a week ago i wanted to unroot my device. i made a huge mistake and did it via an app instead pc...
now my device is locked but i have twrp and cant flash anything so i cant unlock my bootloader anymore...
pls help!
thank you
Unrooting your device doesn't lock the bootloader. Unless you went into developer options and toggeled OEM unlocking off.
Exodusche said:
Unrooting your device doesn't lock the bootloader. Unless you went into developer options and toggeled OEM unlocking off.
Click to expand...
Click to collapse
well the problem is that it is locked and i have twrp installed. now i cant flash and boot anything and so i cant unlock it anymore?
imnaze said:
well the problem is that it is locked and i have twrp installed. now i cant flash and boot anything and so i cant unlock it anymore?
Click to expand...
Click to collapse
To unlock BL, you need to permit it in the dev menu and run a fastboot commmand. Are you sure TWRP avoid you to do that?

flashing rom without unlocked bootloader

is it possible to flash a rom without unlocking bootloader of any phone
I tried this but my phone goes in hard brick mode I don't know whether this the problem of rom or locked bootloader I want to know about that

unlock bootloader in custom rom

hello everyone...
is there any way to unlock boot-loader in custom ROM?
Unfortunately i have locked my boot-loader in custom ROM( resurrection remix )
And in this ROM there is no option like OEM unlock option so that i could re-unlock boot-loader...
please help to re-unlock boot-loader in custom rom
Have you tried using ADB or FastBoot with the oem unlock option? I read OnePlus phones can auto lock the bootloader sometimes on reboot and that's how I unlocked my OnePlus 6 bootloader in the first place to install TWRP

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