Causes:
1. Third-party apps automatically access WI-FI permission.
2. Mobile phone system exception.
Solutions:
1. Check whether you have installed third-party apps that require a Wi-Fi connection. If third-party apps that require a Wi-Fi connection have been installed on your phone, they may automatically turn on Wi-Fi. You can go to Settings > Mobile network > Data usage > Data usage by app, and select the app to view the data usage, you can also turn off the app's Background data and Disable Wi-Fi features to prevent the app from turning on WiFi.
2. Upgrade the phone system to the latest version restart the phone and try again.
If none of the above methods can solve your problem, please back up your phone data and bring your purchase certificate to the nearest realme customer service center for testing and processing.
Related articles:
Wi-Fi switch won't be turned on or off
How to remove connected Wi-Fi networks
How to disable app data or WiFi usage for an app
What if the Wi-Fi can't Connect
How to update phone system version
