What Android Bootloader Do I Have?

You can check your bootloader version in the bootloader menu/screen. Hold vol- & power to boot to bootloader and the text in the top left of the screen will show your bootloader version.

What is reboot to bootloader on Android?

REBOOT TO BOOTLOADER – Restarts the phone and boots directly into the Bootloader.
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You might need to use it in situations such as:

1. Factory resetting a phone that can’t otherwise be reset.
2. Rebooting a phone that can’t otherwise be restarted.
3. Wiping the cache partition.
4. Viewing key information about your phone.

How do I get to the boot menu on Android?

Press and hold the Power key and then press the Volume up key once while still holding down the Power key. You should see the Android system recovery options pop up at the top of the screen. Use the Volume keys to highlight the options and the Power key to select the one you want.