- Check whether the watch is the purchased model and has complete accessories: 1 device,1 charger ,1 User manual.
- Order a Micro SIM card which supports GSM network (2G).SIM card need enable GPRS data and caller ID function, 30 MB data per month will be enough.
- Turn off the watch before installing the SIM card.
- Charge the battery by connecting to a computer with the matched USB cable. Do not charge over 3 hours.
Note: Charging the battery should only be under adult supervision.