adb sideload update.zip
The BlackBerry Fastboot Driver is a solid tool for advanced users who need to unlock, modify, or repair their BlackBerry devices. Its ease of installation, compatibility with various devices, and reliable performance make it a great resource. While it may lack a user-friendly interface and is mainly designed for Windows, the driver delivers on its promises. blackberry fastboot driver
Unlocking or locking the bootloader (though this is restricted on most modern BlackBerry devices). Driver Installation Guide adb sideload update
Now open a command prompt and type: