1. In the developer options, find wireless debugging, turn on the switch, and click "Enable debugging mode after connecting to WLAN"

2. Enter the wireless debugging page and click "Pair the device using the pairing code". Remember this device pairing code

3. Pull down the system message notification bar, find the pairing entrance, and enter the pairing code.

After entering the pairing code, remember to click Send~~. After sending, return to the OSLink APP page and you will see that "Pairing ADB" has been opened and you can start screencasting!