P4a Firmware failed 77% 0x028103

hello, i had p4a crash from tree, i repaired and now my IMU 1 Normal IMU 2 error and need calibration.
when i calibrate it getting error (cant be calibrate) so i decide to refresh the Firmware. but i keep getting error at 77% error code 0x028103.


i already use different USB Cable, different computer (Mac, Laptop, and PC) still same

anyone know what happen??

Thank you

It sounds like you still have one or more damaged components. If needed, you can find a repair shop here.