What if the children's watch has no signal?

You can check whether the SIM card is properly placed and try again. Turn off the phone, take out the SIM card, and clean the SIM card chip with an eraser. Or try to replace the SIM card.

Treatment of common problems of children's watches;

First, there is no signal when the device is loaded.

Treatment method:

1. Check whether the card of the equipment is a normal card of China Mobile, China Unicom or Telecom, and customized cards other than operators are not supported. ? Card size: standard Micro-SIM card, please do not use card cutting, which may lead to card slot damage. Package requirements: Open caller ID and GPRS traffic access functions. (The watch only supports 2G/3G/4G general traffic)

2. For the installation steps and direction of check card, insert the card first and then start the machine according to the card insertion method indicated by the equipment startup prompt. The card slot is deep, so you can push it with a toothpick to make it stick in place.

3. It is not recommended to use virtual operator cards such as Ali, Xiaomi and Snail Mobile.

Second, the equipment is not connected to the internet, and the signal at the location of the equipment may be poor or turned off.

Treatment method:

The card of 1. equipment can only support normal cards of mobile and China Unicom or telecom, and does not support customized cards.

2. The equipment card should be enabled with 2G data flow.

3. Is there no data stream or phone bill on the card of the device?

4. Is the signal poor?

5. If the above four items are excluded, send a short message to the device number, such as the serial number (imei, 123456789, pay attention to letters and punctuation), and the watch will reply to the short message. If you don't understand, you can inform the dealer of the content of the short message and contact the background to check whether the parameters are correct.

Third, the mobile phone call device prompts that it is in a call.

Treatment method:

1. Caller ID must be enabled on the card of the device (check whether the number is saved in the APP and whether the caller ID number of the device is saved in the APP).

2, mainly look at the caller ID, keep the watch on and then call the watch to see the caller ID immediately, and the caller ID number must be consistent with the number saved in the phone book.

3. If you open the cornet package between card numbers, you must save the cornet.

4. Check whether the application has set a Do Not Disturb period, during which the device will reject any number of incoming calls.

Fourth, it can't be turned on, and the watch shows a black screen.

Treatment method:

1, check whether the charging cable and charging head are in good condition, and connect the power supply to charge the watch. When the battery is completely exhausted, you need to press and hold the reset key for 3 seconds with the card fetching pin, and then charge it for about 10 minutes before starting the machine. If there is a charging reaction, press and hold the power button of the watch to see if it can be turned on.

2. If the watch does not display/display a black screen when it is turned on, you need to go back to the factory for hardware inspection and replace the battery or screen.

5. The watch can't receive voice, or the mobile phone can't receive voice, or sometimes it can't open voice.

Treatment method:

1, the length of time to receive voice is related to the network condition. Voice reception is sometimes delayed and sometimes lost, which is related to the network. Only when the network is good can it be sent and received normally.

2. The inability to send, receive and open the APP is also related to the APP. Our APP will be updated regularly, and users who still use the old APP will have many failures. Users are advised to update the app regularly.