: Open a Command Prompt, PowerShell, or Terminal window on your PC where you have Platform-Tools (ADB) installed.
: Push and hold the Power button and Volume Down button simultaneously. how to open fastboot mode on nokia t10 better
: Don't panic. Hold Power + Volume Down together for a full 10–15 seconds until the screen goes blank. If that doesn't work, hold just the Power button for 20–30 seconds. The tablet should vibrate and restart normally. If it keeps booting back to Fastboot, you may need to flash the stock firmware using a computer. : Open a Command Prompt, PowerShell, or Terminal
If you’d like, I can give you instructions on how to once you’re in fastboot mode. : Open a Command Prompt