Since Android is an open source operating system, why are bootloaders locked? First off, the bootloader isn't part of Android, it's what lets the device boot into Android.

To 'root' your Android phone (i.e. gain administrative access), you'll need to unlock your bootloader first. Here's some basic information.

OnePlus is placing new restrictions on bootloader unlocking for certain users starting its Android 16 update which arrives ...

OnePlus is making a considerable change with its Android 16 update which will require users to fill out an application before ...

It's important to recognize the significant difference between Android devices like the Nexus S that support bootloader unlocking by design vs. Android devices that can only be modified if ...

Esper editor Mishaal Rahman confirmed this is due to a vulnerability in the Android 12 bootloader. Android is open source, and that means it is potentially vulnerable to "downgrade attacks." ...

The Android developer community is well known for extending the lifespan of older phones well beyond what the manufacturer offered, but LG is closing a useful tool in that effort, its bootloader ...

Smartphone bootloader firmware should be secure even if the operating system is compromised. But researchers have found five flaws in major chipset vendors' code that leave the process vulnerable ...

It seems like some Pixel phones have been bricked after tinkering or even updating to the June update. But Google isn't helping.