: If the button combination isn't working, try removing the SD card before attempting the reset.
: Use the Volume buttons to navigate to "Wipe data/factory reset" and press the Power button to select it. How to Hard Reset BLU M10L Pro
Always remember the golden rule of tech: back up your data . A hard reset is a powerful tool, but without a backup, you will lose your photos, documents, and saved games forever. : If the button combination isn't working, try