xhorse condor mini plus setting the date and hour after close machine and open next day is Resets again?
You need to change the battery locate on the main board inside the machine.
The button battery on the motherboard is dead. Remove the case and replace the CR1220 battery on the motherboard.
Be careful when taking out the battery. The holder case of the battery is plastic made.. Probably will break if you not careful.
The method can be applied to Xhorse Condor key cutting machines with serial number KM02, KM03 and KM05.