This is the standard "hard reset" method used when you cannot access the settings menu.

Performing a hard reset is a critical step when your phone is locked, frozen, or suffering from persistent software glitches. This process permanently deletes all user data, including contacts and photos. Preparation Before Resetting

: Ensure all important information is backed up, as this process will wipe the device completely.

To hard reset a device, you generally use the hardware button combination of Volume Down + Power while the device is off to enter Recovery Mode and select "wipe data/factory reset" .