Fixing a "burned" flash is a process of forcing the hardware to accept a fresh set of instructions. Follow these steps in order of increasing complexity. 1. The "Firmware Upgrade Mode" Force
If the radio is completely unresponsive (no LEDs, no PC detection), the internal bootloader may be damaged. In some advanced repair circles, this requires opening the radio and momentarily shorting specific "boot pins" on the logic board to ground while powering up. hytera flashburn fix
Cheap "knock-off" programming cables often have unstable voltage levels that can drop during a data transfer. Fixing a "burned" flash is a process of