BlackBerry officially shut down their legacy services (BBM, Email, BIS) on January 4, 2022. While the device can still function for calls, SMS, and offline tasks, you cannot set up email or use the old BlackBerry App World.
You might be reading this and wondering: Why invest time in a 14-year-old phone? blackberry 9900 autoloader
: This is usually a driver issue. Reinstall the BlackBerry drivers or try a different USB port (preferably a USB 2.0 port rather than 3.0/3.1). Device Not Found BlackBerry officially shut down their legacy services (BBM,
has at least 50% charge to prevent it from dying during the process. The process for legacy BlackBerry devices like the BIS) on January 4
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“Erasing User Partition...” “Writing OS: 7.1.0. Bundle 2840...”