1, mobile phone hardware problems, did not get the latest wifi data, try to restart the phone can be normal; 2, do not open the permission, the mobile phone butler - application management - software permissions - phone watch - permissions all open.
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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;