Method 1: Remove the small genius phone watch from the app first, and then reconnect it;
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Method 2: In the small genius app(app on parents' mobile phones), click one by one, more --> Watch WIFI--> Verify wifi, re-enter the wifi password;
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Method 3: Restore factory Settings to the small genius phone watch, and then redistribute the network
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If you have no way to restore the network on several methods, or the situation of network failure, it is recommended to send the small genius watch to the repair shop for repair.