What's wrong with the nut wifi signal being full, but never being able to connect to the network?

1. First, make sure that the network of the WiFi router itself is normal, and also make sure that your mobile phone is not hacked;

2. If the mobile phone can't access the Internet even if there are other WIFI signals, it may be that there is a software or hardware failure in the mobile phone, and you can try to refresh the mobile phone, or the WiFi module is welded and needs to be repaired by professionals in the after-sales service center.

3. Unreasonable settings of firewall and wireless parameters of 3.WiFi router will also cause some mobile phones to be unable to access the Internet. The faster way is to reset the WiFi router to the factory settings, with only a small configuration, and other parameters are tested according to the default settings.