Problem:
During firmware update, the Xhorse Multi-Prog shows:
“The device system version is outdated (4133AAAA)” — even after upgrading.
Solution:
Step 1: Reset Device
Power off the unit
Hold the Reset button
Power on while holding it
Keep holding for 5 seconds, then release
Step 2: Force Update
Reconnect the device
Perform a forced firmware update
Result:
Error 4133AAAA will be cleared and the device works normally.
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