Once launched, a black command prompt (DOS) window will appear. It will display the text "Connecting to Bootrom_" or something similar.
Because BlackBerry officially decommissioned its infrastructure servers, standard device activation will fail at the Wi-Fi setup screen on fresh installations. To bypass this and make your Classic usable: blackberry classic sqc100-1 autoloader
An autoloader is a specialized software file used to force-install a fresh version of the BlackBerry 10 operating system. Unlike a standard over-the-air update, an autoloader wipes the device entirely and reinstalls the OS from scratch. It is the "nuclear option" for: Fixing a "boot loop" or bricked device. Removing forgotten passwords or old BlackBerry IDs. Reverting to a more stable OS version. Improving performance on sluggish hardware. Prerequisites Before You Begin Once launched, a black command prompt (DOS) window
An autoloader completely wipes your phone and installs a fresh, clean version of the BlackBerry 10 operating system directly from your computer. What is a BlackBerry Autoloader? To bypass this and make your Classic usable:
Tap the screen rapidly 10 to 12 times in a circular or repeating pattern to trigger the built-in accessibility/Screen Reader mode.
Completely strips personal data and malware at a deeper level than a standard wipe. Prerequisites Before Flashing