Smartwatch with GPS for kids
(water resistant)
User Manual
Model:LT21
1. Obtaining a Nano SIM card
1) First prepare a Nano SIM card. The card package should include Internet and voice
calls. You can purchase it from local telecom operators. If you have any questions,
please contact the pre-sales customer service.
2) The SIM card must support 4G network with data streaming.
3) The card must have the PIN code deactivated
2. SIM card insertion
1): Insertion method: open the rubber cover, place the card into the slot, with the chip
facing up (Note: before inserting the SIM card, turn off the watch).
2): Restart the watch after inserting the card correctly, then wait for the signal and
start working by following the next step.
3. Download the APP
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