Insert the tablet into the keyboard groove, turn on the reverse wireless charging function of the tablet manually, charge the keyboard wirelessly for 10 minutes, and check whether the state of the caps button light is normal. The wireless charging function is opened as follows (Settings -> Battery -> Wireless reverse charging is set to on). After the tablet is inserted into the keyboard slot, the caps light should normally be on and blinking (on for 1 second and off for 1 second), and the pairing popup should pop up