iPad 3 hidden Wifi error is different from weak wifi error that can only be caused by a broken or loose antenna. iPad 3 error can not turn on wifi means wifi is hidden. Can't get into settings.
How to identify iPad 3 error Wifi error due to Main :
- Go to settings - Wifi see the bar to turn on Wifi is dimmed and can't be turned on. There are cases where the device hangs for a long time in the settings, which is also a wifi error.
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iPhone