This indicates a corrupted bootloader (soft-brick). Force-restart the phone by holding the Power and Volume keys together for 10 seconds, then immediately run the autoloader again.
: This signifies a boot error. It usually happens if you try to flash firmware meant for a different model variant (e.g., flashing SQC100-1 firmware onto an SQC100-4 CDMA device). Verify your exact hardware variant underneath the battery door cover. blackberry classic anti theft removal firmware
This exploits a security "hole" in older OS versions by downgrading to a developer OS that does not enforce the anti-theft lock as strictly. This indicates a corrupted bootloader (soft-brick)
They need to locate the BlackBerry Classic in their list of registered devices. It usually happens if you try to flash
If you successfully flash your device, you will face the BlackBerry 10 Setup Wizard. Because the activation servers are dead, a non-locked device can still get stuck trying to connect to the network.