It could be a password error:
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Please make sure that the connection password entered is correct and case sensitive, and pay special attention to the special characters in both Chinese and English. It is recommended that you select \"Show Password\" when entering the password (click the eye-shaped icon on the right of the password input box). If the password is incorrect, the router cannot be connected. Please confirm whether the WLAN network name or password has been changed, please click Settings > Wireless and Networking > WLAN > Scan, re-search the WLAN network and enter the correct password to connect. If your password is correct, please refer to the router manual and change the router password to a pure number before trying to connect, such as \"12345678\". If an authentication failure message is still displayed after the password is changed to pure numbers, you are advised to restart the mobile phone
2. Both iphones and Huawei phones support wireless network connection. However, Huawei phones may fail to connect to a specific wireless network due to some special circumstances, such as network Settings or insufficient signal strength.
3. If the Huawei mobile phone cannot connect to a wireless network, reset the network connection and adjust the location to obtain better signals, or contact the network provider for help.
At the same time, the compatibility of Apple phones and Huawei phones in connecting to wireless networks is similar, and they can be successfully connected in most cases.
Network permission authorization problem, enter the correct password