If your WiFi button is still grey, make sure your device is up to date by going to Settings > General > Software Update. If your iPhone is up to date but you still can’t turn your Wifi on or off, the next step is to backup and restore your device completely.
How To FIX iPhone Wifi Greyed Out / Not Working
Why is the Wi-Fi on my phone greyed out?
This is frequently caused by a software bug or glitch on your smartphone. There are a few ways it could have gotten onto your phone. It could have been the result of a poor application, something found online, or something completely out of your control.
How do I fix the GREY Wi-Fi button?
Why can’t I press the Wi-Fi button on my iPhone?
Try a simple Reset by pressing and holding the Home and Power buttons until the Apple logo appears (10-20 seconds). If none of this works, you may need to restore your iPhone. A greyed-out Wi-Fi button usually indicates a faulty chip or antenna.
Why can’t I turn my Wi-Fi on my iPhone 8?
Reset network settings>Settings>General>Reset (this wil delete all your wifi passwords, but nothing else). Restart your iPhone 8 when you’re finished (turn it off, wait a few seconds, then turn it back on)
How do I fix greyed out Wi-Fi on my iPad?
On the iPad or iPhone, the WiFi button is greyed out.
Make sure Airplane mode is turned off.
Reset the network settings on your device.
Look for any signs of liquid damage.
Why is my Wi-Fi disabled on my iPhone 7?
Make sure airplane mode is turned off by going to Settings > Airplane Mode. Tap Settings > General > Reset > Reset Network Settings to reset the network settings. This will clear all network settings, including Bluetooth pairing records, Wi-Fi passwords, VPN, and APN configurations.
The first thing you should do is restart your iPhone. Restarting your iPhone entails turning it off and then on again. Here’s how to go about it:
Turning off your device is as simple as going to Settings > General > Shut Down, which works on all iPhone models. The slider for turning off the power will appear. Drag the slider to the right to turn off your device, then wait a few seconds.
The final step is to clear all of your settings. This will, as the name implies, erase all of your settings, including:
Setting the location
These options will be restored to their factory settings. Don’t worry; your data will not be lost, but you will have to re-enter some preferences and settings. Your iPhone will keep your photos and other files. Go to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings to reset all of your settings. Then follow the instructions on the screen.