You generally do not need to mess with the critical partitions, but some modifications may require you to flash them, including when you want to flash the full stock ROM via fastboot since the checksums must match for the incremental OTA updates to work. The difference between the two is that the critical protects the upper-level partitions (such as abl, xbl) that are critical for the phone to boot. You will be able to separately see the unlocked and critical unlocked individually in newer phones. In case you have run the getvar command, then you’ll only get a response for the unlocked property with a value of true or false. (bootloader) Charger screen enabled: true
(bootloader) Device critical unlocked: false fastboot getvar unlocked unlocked: no fastboot getvar all. After switching to fastboot mode, the device is still locked. However, it doesn't actually unlock anything, it just pretends it does. The result will give you details about your device, along with the bootloader status. The first time the device is connected to the internet after each factory reset, I can actually switch the 'OEM unlock' option.You can also try the below command if the above fails: fastboot getvar unlocked Run the following command in your fastboot terminal or CMD:.For most OEMs, you will need to press and hold the power and volume down buttons together from the power-off state. Ensure that ADB & Fastboot are installed on your PC along with the drivers. You dont unlock an HTC phone like this - in fact most phones cant.Follow the steps below to check whether your Android phone’s bootloader is locked or unlocked.