“Wi-Fi Address” field under Settings General > About is missing or displaying “N/A” In addition to the WiFi switch being greyed-out, you can also observe the following iPhone behavior: Once the chip is disabled, the WiFi on your iPhone appears as greyed out. As a consequence to the iOS being able to switch off hardware features on the iPhone, the WiFi chip will automatically be disabled once it overheats.
This includes the iPhone’s WiFi, Bluetooth, and baseband (EDGE, 3G) radios.ĭue to insufficient pre-release testing of iOS 6, WiFi radio chips on iPhone 4S, iPhone 4 – and sometimes – iPhone 5 running this firmware version may overheat. iOS 6 is designed to save energy by turning off any hardware elements which are not currently being used on the iPhone. There are rumors that the issue is related to iOS 6 and the power-management optimizations introduced with this firmware version. The exact cause of iPhone WiFi switch being greyed out is not fully known but is well-documented. The reason behind iPhone WiFi switch not working The issue is especially widespread on iPhone 4S devices but users having the iPhone 4 and iPhone 5 have also been known to experience the issue. This is by far the most common iPhone WiFi connectivity problem. Unable to access the Internet after connected to WiFi
Do you experience one or more of the iPhone WiFi connection problems listed below? If yes, make sure to review the tips offered by this troubleshooting article in order to fix the iPhone WiFi not working or not connecting to the Internet. As an iPhone user, you may have come across a number of issues relating to the iPhone WiFi and the device’s connectivity to the Internet.
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