360 Child Guardian, confirm the following steps:
1, the watch must be installed SIM card, MicroSIM card, as the saying goes, the need to open traffic (to support 2G traffic), does not support telecommunications card, it is recommended to use mobile;
2, install the SIM card to the watch, screw the back cover screw, the power is best charged to 40%;
3, long press the watch down button to boot, check the watch time main screen time and temperature display is correct, if not correct, press the key to restart the watch or check the watch SIM card arrearage;
4. Short press the button on the watch will appear the QR code, open the APP of Children's Guard, and scan the QR code or the QR code on the manual after registration and login (scan with the APP of Children's Guard);
5, the normal situation after scanning the QR code, wait a few seconds, the watch will issue a voice prompt activation success;
It is also possible to scan the QR code after the APP prompts to enter the watch SIM card number, that is, the phone number of the watch, correctly fill in the point to determine, when you card, choose the cheapest monthly rent and local phone can be, in addition, to open 2g data traffic, generally 30M is almost enough for a watch a month can be up to 20 mobile phone accounts. One mobile phone can be tied to up to 10 children's watches.