You should see a serial number. If not, reinstall USB drivers (Google USB Driver for Windows; Linux/Mac work natively).
: Release both buttons once the Fastboot mode text or logo appears on the screen.
If you plan to access the bootloader using a PC, you must have the correct drivers installed so your computer recognizes the Nokia T20 LTE. You should install: How to Open Bootloader Mode on NOKIA T20 LTE
If you just wanted to test the mode, exit safely:
fastboot flashing unlock
Type the command to reboot into the bootloader: adb reboot bootloader
button to confirm. The tablet will restart into Bootloader mode. Option 3: Using ADB (Requires a PC) If you have platform tools installed on a computer and USB Debugging enabled in Developer Options: Connect the tablet to your PC via USB. Open a terminal or command prompt. adb reboot bootloader and press Enter. Android Open Source Project Critical Note on Unlocking While entering Bootloader mode is standard, the bootloader on modern Nokia devices is often restricted. Bootloader Mode NOKIA T20 LTE - HardReset.info You should see a serial number
Use to navigate to UNLOCK and Power to confirm.
Type the following command:
