Reasons for being unable to join the wifi network: 1. The router changed the WiFi password, but the password saved by the previous connection on the phone has not been changed, resulting in authentication failure; 2. The router is abnormal and the DHCP function is abnormal; 3. The mobile phone network settings are abnormal. .
The operating environment of this tutorial: MIUI12.5 system, Xiaomi 11 mobile phone.
Why can't I join the wifi network?
The mobile phone is connected to WiFi and it shows that it cannot join the network. Possible reasons:
1. The router has changed the WiFi password, but the password saved by the mobile phone in previous connections has not been changed, resulting in authentication failure.
2. The router is abnormal and the DHCP function is abnormal.
3. The mobile phone network settings are abnormal.
Solution:
1. Ignore the network or forget the network, and re-enter the WiFi password to connect.
2. Restart the router.
3. Try to restore the mobile phone network settings.
#4. Try using a static IP address.
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