In theory, it is impossible to brick the device, since you can always try the DFU recovery procedure. However, the updating might become fiddly in certain conditions.
# Normal procedure
# Normal procedure (Windows)
1. Connect the device via USB
2. Switch to HackRF mode via the on-screen option (in the PortaPack)
3. Double click `flash_portapack_mayhem.bat` and follow the instructions
4. Reboot the device
# Normal procedure (Linux)
1. Connect the device via USB
2. Switch to HackRF mode via the on-screen option (in the PortaPack)
3. Upload the firmware with `hackrf_spiflash -w new_firmware_file.bin`
4. Reboot the device
# Troubleshooting
One of the main sources of problems is the quality of the USB cable. Try with several ones just to be sure before trying any other solution.
