How to Solve Xhorse Condor XC-Mini Date Reset Problem?

Problem:
My old xhorse condor xc-mini key cutting date reset. The date is reset every time I turn on the power. It doesn’t come up right away. Any idea?
Condor Mini Plus Time Setting 1
Condor Mini Plus Time Setting 2
Solution:
Unscrew 3 screws marked red below, remove condor screen and shell.
The main board is on the left side, unscrew another 3 screws to take out main board
Condor Mini Plus Time Setting 3
Find out battery CR1220, replace a new battery.
For example, the battery of condor mini plus (S/N KM02 and KM03) is on the right side of the board (shown image below)
Condor Mini Plus Time Setting 4
Reinstall shell and screen after replace the battery.
Go to System setting, set date to the current time. It should be fine.