NT21-REC-2024 Device: Nokia T21 (Tablet) Android Version: Android 12 (upgradable to Android 13/14) Chipset: Unisoc T606
Encountering the "No command" screen is a standard security barrier in stock Android recovery systems, designed to prevent accidental modifications to the system files. To bypass this screen and reveal the actual Recovery Mode menu, a secondary button sequence is required. While holding down the Power button, quickly press and release the Volume Up button once, and then release the Power button. If timed correctly, the screen will instantly transform from the "No command" graphic to a text-based list of options against a black background. This list represents the core utilities of the Android Recovery system, navigated using the volume rockers to scroll up and down and the power button to make a selection.
: Go to Settings > About Tablet and tap Build Number 7 times. Then, in System > Developer Options , enable USB Debugging .
Release at the right moment.
: Use the Volume Up/Down buttons to scroll through the menu items.
If the menu is unresponsive:
: To enter the actual Recovery menu from the "No Command" screen: Hold the Power button. Press the Volume Up button once, then release both. Method 2: Using ADB (Command Line)