How to solve Xprog-m v5.50 Communication Error

Xprog v5.50

Share a solution of Xprog-m version 5.5 is displaying communication error when read EEPROM AT24C16.

ps.it is a clone Xprog from China

Xprog-m-v5.50-Communication-Error (1) Xprog-m-v5.50-Communication-Error (2)

Most likely you let it connect to internet and the firmware now is toast.
…but you are not out of luck…

 

Search the dump for the Atmega MCU inside and flash it.

Uninstal the software, clean registry, re-install the software.
Since it is 5.0 version, which is pretty old, you will find the dump without any problems.

MY SPECIAL HELP — LOCK BITES TO KEEP ATMEGA UNLOCKED
lb1 true
lb2 true
blb01 false
blb02 true
blb11 false
blb12 true

If this didn`t solve the problem, check every transistor on the PCB.

 

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