The Xiaomi Watch S3 strap supports quick disassembly and can be replaced as follows:
1. Removing the strap: Press down the lug spring in the direction of the strap and remove the strap;
2. Install the strap: Place the worn watch strap into the hole on one side of the lug, and press down the spring on the other side to send it into the lug. Gently move it until the lug is felt to enter the hole. After installing the strap, please pull the strap to ensure successful installation.
Note:
Lugs refer to the connecting steel rod between the fixed strap and the watch body.