Problem:
Trying to update Xhorse Multi Prog firmware but its always says device system is outdated and need to be update after sucessfull update it says again need to BE uodated and doesn’t install firmware. Any advise?
Solved, did a hard reset and all ok after that to upgrade.
Press and hold the Reset button on the main unit before powering on, and hold it for 5 seconds after powering on. Try to force firmware upgrade.






