Since the BlackBerry KEYone is an older device (released in 2017), searching for an "autoloader" usually means you are trying to fix a bricked phone, wipe the device completely for security, or downgrade the operating system. This review covers what the tool is, its performance, and the pros and cons of using it.
An Autoloader is a self-contained, Windows-based executable file created by BlackBerry (and TCL) that contains a complete, low-level firmware image. Unlike an OTA (Over-The-Air) update or a simple "Factory Reset" from the settings menu, an Autoloader wipes every single partition on the phone and writes fresh code to the NAND flash memory.
Device Recovery: It can fix "soft-bricked" devices stuck in boot loops or on the BlackBerry logo.
Timing: A full flash takes 8–12 minutes. The longest step is system and userdata.
Mobile Upgrade Tool Alternative: Experts on CrackBerry forums generally recommend using the official BlackBerry Mobile Upgrade Tool instead of a manual autoloader for standard OS reloads. Device Performance & Design