Autoloader - Blackberry

An autoloader file is essentially a self-extracting executable ( .exe for Windows) that contains:

All components are cryptographically signed using BlackBerry’s private keys; the device’s boot ROM rejects any unsigned or tampered payload. blackberry autoloader

Since BlackBerry’s official servers are largely offline, you must rely on the community: blackberry autoloader

A BlackBerry Autoloader is a self-contained executable file ( .exe ) used to wipe and reinstall the operating system from scratch. Unlike standard "Over-the-Air" (OTA) updates that only patch existing files, an autoloader performs a complete factory reset and clean installation of the firmware. It is primarily used for: blackberry autoloader