Failure of networking on Mi Robot Vacuum Mop Pro

1) Network the equipment by following proper procedure.
2) Network the equipment in App by following the instructions.
3) Check whether local wireless network operates properly (in 2.4GHz).
4) Check timing of equipment networking, which shall be finished within 90 seconds.
5) Try to keep the equipment as close to router as possible to ensure reliable networking.
6) Make sure the wireless network name and password contain on Chinese or special character. It is recommended to use English and numeric character.
7) Check whether MAC address binding is enabled in local router, and change related settings and then try again.
8) Check whether wireless network name is screened in local router, change related settings and then try again.
9) Check whether any security software in cell phone has blocked access to local wireless network, and change related setting and then try again.