Causes:
1. The system program is temporarily abnormal.
2. The phone hardware is abnormal.
Solutions:
1. The system program may be temporarily abnormal, and you can try to restart the phone and try again.
2. It is recommended that you reset the wireless settings to try again.
realme UI 7.0 & 6.0: Settings > System & updates > Back up & reset > Reset phone > Reset network and Bluetooth settings.
realme UI 5.0 & 4.0 & 3.0: Settings > System/Additional Settings > Back up and reset >Reset Phone > Reset network settings.
realme UI 2.0: Settings > Additional Settings > Backup & Reset > Erase all data(factory reset) > Reset network settings.
realme UI 1.0: Settings > Additional Settings > Backup & Reset > Erase all data(factory reset) > Reset system settings only.
realme UI R & Go & S & T & U Edition: Settings > System > Reset options > Reset Wi-Fi, mobile & Bluetooth
Note: Performing this operation will not wipe any of your data.
If you've tried all of these steps and your Wi-Fi switch is still not working, it is recommended that you back up your data and go to the nearest realme customer service center for testing.
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