What is OEM Unlocking?
Enable OEM Unlocking on Android is an option in the phone’s settings that needs to be enabled in order to unlock the bootloader. It was introduced by Google in Android 5.0 Lollipop and is also sometimes referred to as “OEM Unlock”.
Enabling this option sets the “unlock_ability” flag to “1”, thus giving the user the ability to run the “fast-boot flashing unlock” command to unlock the phone’s boot-loader. Once enabled, this option stays persistent across reboots and factory data resets, until disabled manually.
The option itself is generally hidden to prevent any accidental access, just like “USB debugging”. It could also serve as a recovery process to revive your device if anything goes wrong with the software.
Why you neet to enable OEM Unlocking?
- Install a custom rom.
- Avoid FRP Lock (google account verification) after flash or factory reset.
- Install stock firmware via fast-boot.
- Avoid boot-loop after a wrong flash.
- Install root package, to get root permission.
- If you need to sell your phone, unable OEM Unlocking to do a full factory reset.
How to enable OEM Unlocking?
- Go to Settings app
- Scroll down, Tap on “About phone”
- Then click on Build Number 7 times to enable developer options. If it asks for pattern or password, do it.
- Return to main setting appacation, scroll down to bottom, Tap on developer options.
- Inside developer options, check OEM Unlocking, If your phone has pattern or password lock, just enter it, then click Yes.