After successful upload the LCD panel will probably say there is an EEPROM change. Accept the change. Turn the dial and press in to click/accept.

Confirm the change has been applied. Click the dial, navigate to Configuration > Advanced Settings.

For M5, verify that Draw Min X is -325, Draw MinY is -500, and Belt length is 1035.

For HUGE, verify that Draw Min X is -683, Draw MinY is -1000, and Belt length is 2035.