Without
This is mandatory because you’ll need to send a command ( adb reboot bootloader ) from your PC in one of the methods.
Unlocking the bootloader on the TECLAST New P40HD will likely void your warranty and may break OTA (over-the-air) updates. Only proceed if you are comfortable with advanced Android modifications.
Tap seven times until "You are now a developer!" appears. Return to Settings > System > Developer Options . Toggle on OEM Unlocking and USB Debugging . Method 1: Using Hardware Button Combinations
You will see a screen with device info. You can now run Fastboot commands from your PC:
How To Open Bootloader Mode On Teclast New P40hd Online
Without
This is mandatory because you’ll need to send a command ( adb reboot bootloader ) from your PC in one of the methods. How to Open Bootloader Mode on TECLAST New P40HD
Unlocking the bootloader on the TECLAST New P40HD will likely void your warranty and may break OTA (over-the-air) updates. Only proceed if you are comfortable with advanced Android modifications. Without This is mandatory because you’ll need to
Tap seven times until "You are now a developer!" appears. Return to Settings > System > Developer Options . Toggle on OEM Unlocking and USB Debugging . Method 1: Using Hardware Button Combinations How to Open Bootloader Mode on TECLAST New P40HD
You will see a screen with device info. You can now run Fastboot commands from your PC: