But what exactly is a flash file? In simple terms, a flash file (often called firmware, ROM, or stock OS) is the core operating system and bootloader package required to reinstall BlackBerry 10 OS from scratch. It is the digital equivalent of a defibrillator for your dead device.

You cannot simply copy the flash file to your phone like a photo or MP3. You need a computer (Windows PC is standard) and specific software.

: Wiping the device to clear forgotten security locks.

Before downloading any Z10 flash file , you must know your device’s chipset.