Wifi soft button

See this Apple articles below:

If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network

https://support.apple.com/en-us/HT202068

Recommended settings for Wi-Fi routers and access points

https://support.apple.com/en-us/HT202068 streams

kanwaljit48 Said:

"Wifi soft button: My iphone 12 's wifi button get steady greyed and unable to switch on my wifi. How could i sort out this problem"

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For Note:

Charge your Phone:

The Battery is extremely low. So charge it.

Screenshot: