If you are using a vivo phone, it is recommended to refer to the following methods:

1. Check whether the WiFi password is correct

It is recommended to click the "eye icon" when entering the password " to display the password and make sure the password is correct.

2. Reconnect to WiFi

Please enter Settings--WLAN, click on the WiFi you want to connect to, click "Forgot Network/Forgot Password" and reconnect.

3. Check whether the WiFi network is normal

Please compare whether other mobile phones connected to the same WiFi are normal to confirm whether it is the WiFi or the mobile phone. If it is due to WiFi, please restart the wireless router to check. At the same time, you can enter the router management interface to check whether special functions are set: such as connection limit, MAC binding, Internet time management, etc.

4. Reset network settings

Resetting network settings will delete the connection records of WLAN, mobile data network, Bluetooth and other networks. You can enter Settings--System Management--Backup Go to Reset--Reset Network Settings--Reset Settings--Follow the prompts (you need to select the corresponding SIM card when using dual SIM cards).

Note: Enter cloud service--data synchronization--turn on WLAN, Bluetooth, etc. to synchronize data to cloud service. Enter "Cloud Service"--Device Cloud Backup--Backup Data Type--Open "System Data"--Return to the previous page--Back up immediately to back up some system setting data.

5. Restore all settings (do this when you cannot see the reset network settings menu)

You can enter Settings--System Management/More Settings--Backup and Reset Set/restore factory settings--Restore all settings--Restore, restore settings options. This operation will not delete files or software, but will cancel the password and restore all settings, including: set wallpaper, unlocking style, WiFi, default open programs, etc.

You can back up before operation: enter cloud service--device cloud backup--backup data type--system data--return--back up immediately to back up part of the system settings and desktop layout; cloud service-- Data synchronization--Turn on WLAN, Bluetooth, etc. to synchronize data to cloud services.

6. After operating the above methods, if the problem still exists, please go to the local vivo customer service center for testing, enter the vivo official website--My--Service Outlets--select the province and city to check the local service center address. As well as contact information, you can also click on the web link to search for the service center address.