S2 User Manual - Yayusi

| Issue | Solution |
|-------------------------|----------------------------------------|
| Device won’t power on | Recharge the battery; check for physical damage. |
| Connection errors | Reset the Wi-Fi/Bluetooth pairing or restart the app. |
| Camera glitches | Reboot the device; update camera firmware. |
| [Add more issues as needed] |

| Problem | Likely Solution (from manual) | |---------|-------------------------------| | Won’t turn on | Charge for 30 mins; try soft reset (hold button 10s) | | Bluetooth not connecting | Unpair from phone settings → Re-pair via app only | | Heart rate inaccurate | Wear snugly, 1 finger above wrist bone | | Screen frozen | Press and hold button for 15 seconds to force reboot | | No notifications | Check app permissions → Enable “Display over other apps” | yayusi s2 user manual

Many users overlook the advanced section of the Yayusi S2 user manual. Here are the most valuable hidden options: | Problem | Likely Solution (from manual) |