wifi suddenly can not be connected, the router plug out and reinsert the good reason: because of the compatibility of the router. The solution:
1. Change the security options to AES.
2. Change the security encryption. Change the encryption mode to WPA2-PSK\/AES.
3, and then reconnect the ipad wifi is good.
There are several possibilities:
1, routing interface problems, this is because of the quality of the route.
2. Overheated routing will also cause network disconnection
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3, the network is not very stable, will also cause network disconnection problems.