If your radio has Front Panel Programming (FPP) (option Q52), upgrading to firmware versions newer than R09.00.00 without also having the Q53 option may cause you to lose FPP functionality.
| Error Code | Meaning | Fix | | :--- | :--- | :--- | | | Flash checksum mismatch – after flash, no codeplug. | Write saved codeplug. | | FAIL 01/90 | DSP boot failure / mismatch. | Reflash both Host & DSP again. | | ERROR #2003 | Connection lost during flash. | Use RIBless cable, disable USB power saving. | | “Device not in flash mode” | Radio not responding to bootloader. | Remove battery for 30 sec, reinsert, hold PTT + top orange button while powering on to force bootstrap. | | “Incompatible DSP” | Host & DSP versions do not match table. | Obtain matching pair (check MOL release notes). | xts5000 firmware
Upgrading to a more recent firmware version (such as R20.xx.xx) typically provides: If your radio has Front Panel Programming (FPP)
Before diving into flashing procedures, it is critical to understand the distinction between firmware and codeplug . | | FAIL 01/90 | DSP boot failure / mismatch
Usually version R20.01.00 is required for the latest firmware.