?The APP shows that the position of the watch is not updated, but the time is updated.
1. Take the watch to an open place outdoors for positioning.
2. After the device sleeps, it will not upload location data to save power,the APP shows the location information of the last time. You can shake the device to wake up the sleeping device and then check the APP location again.
?The watch cannot intercept strange calls.
1. Activate the calling display service of the card inserted in the watch.
2.The phone number list of SOS function,APP phone book, watch phone book must be not empty.
?The watch you dialed is busy.
1. The device's card must get the service of data plan (check if the APP saves the number, and the number on the device's calling display is the number saved in the APP)
2.Keep the screen light, and then call the watch immediately to check the calling display. The number must be the same as the number saved in the phone book.
3.Check if the APP has set a DND period. During this period, the device rejects calls from any number.
?The device is not connected to the network, the signal may be poor or the device is off.
1. Get the service of data plan.
2. Check if the SIM card is out of data or fee.
3. Check if the signal is bad or not.
4. If all the above 3 items are excluded, then use your mobile phone to send a text message to the number of the device: pw,123456,ts# (punctuation marks and letters must be entered using English lowercase input method), then the watch will reply .If you don't understand the short message, you can inform your dealer about the content of the short message to check whether the parameters are correct.
?There is no signal after installing the SIM card.
1. Get the service of calling display and GPRS data plan.
2. Following the prompts for the SIM card installation direction, install the card first, and then turn on the watch. The card slot is deep and can be pushed forward with a tool.