| Problem | Likely fix | |---------|-------------| | Autoloader doesn’t detect device | Reinstall drivers; try USB 2.0; reboot PC; disable driver signing | | Flash stops at 98% | Retry; some autoloaders have a false stall – wait 5 min | | Device won’t boot after flash | Hard reset (Vol Up + Vol Down 30s) or reflash | | “Invalid device” error | Wrong autoloader (e.g., Z10 on Z3) | | Windows 11 fails | Use Windows 7/10 VM with USB passthrough |
The autoloader can force the mode, but if the device is completely dead: blackberry z3 stj100-1 autoloader developer
Alternatively, use the autoloader directly – it will prompt to reset the device. | Problem | Likely fix | |---------|-------------| |
The autoloader writes in this order:
Duration: Approximately 8–12 minutes. The Z3 will reboot twice. On first boot, you'll see a white screen with a spinning clock for up to 5 minutes—this is secure boot reinitialization. Do not unplug. Alternatively, use the autoloader directly – it will
The script sends the scrub command. The eMMC (SanDisk iNAND 8GB) is written from LBA 0 to LBA 15,000,000 with 0x00. No backup. No undo. It takes exactly 47 seconds.