There are rumors that the issue is related to ios 6 and the power management optimizations introduced with this firmware version.
Iphone 7 wifi not working properly.
Toggle your wi fi off and on again.
And while apple may be meticulous about creating great hardware every smartphone including the iphone 7.
Connect your device into a power outlet or ensure that has sufficient battery.
Clear out files and apps that you do not need.
Iphone wi fi problem is very annoying because the internet is needed for almost all activities such as video calls instant messaging e mailing gaming software app update and much more.
Ios 6 is designed to save energy by turning off any hardware elements.
Make sure that you have sufficient space for the ios update.
After 30 seconds tap on the same switch to turn it back on.
Open the settings app and tap on wi fi.
Wi fi not working wi fi keeps dropping no network coverage etc are some of the issues while trying to connect to a wi fi network.
Connect to a wi fi with a stable internet connection.
Or if needed tap on the wi fi name to join it.
If you re running into problems with your wi fi network on your iphone or ipad here are some useful troubleshooting tips to try.
Enable and disable airplane mode.
Let your iphone connect to the known network.
Turn off wi fi and reconnect.
The iphone 7 may be a few years old but it s still an excellent mid range phone option.
Turn off the toggle for wi fi.
Yes this is a pretty straight forward troubleshoot but you ll be surprised how often turning wi fi off and then back on again will troubleshoot the issue.
The reason behind iphone wifi switch not working the exact cause of iphone wifi switch being greyed out is not fully known but is well documented.