9Tong Kids GPS Smart Watch Childrens Smartwatch GPS Tracker GSM Sim Touch Screen Support SOS Call Voice Chatting Activity Tracker For Boys Girls

Q&A
Question1:
I have put the SIM card in but why it doesn't work?
Answer:
a. Please ensure if your SIM card supports GSM network and the GPRS and 2g service is opened.
b. Make sure that your SIM card's size is appropriate, and insert it correctly.
Question2:
Why I can't make a registration or can't connect the watch with my phone?
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