Some actions in Recovery Mode—specifically "Wipe data/factory reset"—will erase all user data, including photos, apps, and accounts, returning your tablet to its original out-of-the-box state. Back up your data whenever possible. How to Enter Recovery Mode on Nokia T21 (Step-by-Step)
On your PC, download and install (e.g., Platform Tools from Google).
To exit Recovery Mode, select the "Reboot system now" option and press the Power button. Your NOKIA T21 will restart and boot normally.
In many instances, instead of going straight to the recovery menu, your Nokia T21 will display an image of a fallen Android robot with the text This is a security screen designed to prevent accidental factory resets. To bypass it: Press and hold the Power button . How to Open Recovery Mode on NOKIA T21
Completely turn off your Nokia T21. Press and hold the and select Power Off . Wait a few seconds until the screen is pitch black and the device vibrates slightly. Step 2: The Hardware Key Combination
Android features Factory Reset Protection (FRP). If you intend to reset the tablet via Recovery Mode, you will need the Google account email and password previously synced to the device to unlock it afterward. Method 1: Using Physical Hardware Keys (Recommended)
The Nokia T21 requires a precise hardware button combination to trigger the recovery menu. Follow these steps carefully: Step 1: Turn Off the Tablet To exit Recovery Mode, select the "Reboot system
Once you've entered Recovery Mode, you can navigate using the Volume buttons and select options using the Power button. The available options may vary depending on your device and Android version. Common options include:
Connect the other end of the cable to your powered-off Nokia T21.
This is the most reliable method, especially if your tablet is frozen, stuck in a boot loop, or won’t start normally. To bypass it: Press and hold the Power button
As soon as the appears on the screen, release the Power button , but continue holding the Volume Down button .
Once you're in Recovery Mode, you can navigate the menu using the Volume up and down buttons. Here's a brief overview of the options:
: When the device vibrates or the Nokia/Android logo appears, release the Power button but continue to hold Volume Up .
