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Reset the network settings by tapping Settings > General > Reset > Reset Network Settings.

Verify that airplane mode is off by tapping Settings > Airplane Mode. Note that while these steps were aimed at the iPhone 4S, they should still apply on newer models (and software), and the process for carrying them out should be the same too. The solution involves resetting networking settings and, if all else fails, doing a full software reset in iTunes - suggesting that it's a software problem. Apple’s official solution for the iPhone 4SĪpple acknowledged the problem back when it was rife on the iPhone 4S and posted a potential solution for those suffering from the issue.

If you’re one of them, here’s how to solve it. Members of the public meanwhile came up with their own solutions with mixed success.Īnd while the iPhone 4S appears to be the worst affected handset, a number of users of much newer iPhones have reported the same issue in the years since it first emerged. It’s a problem that Apple was quick to address with various possible solutions, but these didn’t work for everyone. The problem, which mainly affected the iPhone 4S, caused the setting to turn-on Wi-Fi to appear "greyed out" or “dim". At (System.String virtualPath, System.String baseVirtualDir, System.Boolean allowCrossAppMapping) in :0Īt (System.String virtualPath) in :0Īt .MapPath (System.String virtualPath) in :0Īt .DirectoryExists (System.String virtualDir) in :0Īt .FindWebConfig (System.String path, System.Boolean& inAnotherApp) in :0Īt .OpenWebConfiguration (System.String path, System.String site, System.String locationSubPath, System.String server, System.String userName, System.String password, System.Boolean fweb) in :0Īt .GetSection (System.String sectionName, System.String path, context) in :0Īt .GetSection (System.String sectionName) in :0Īt () in :0Īt (System.Object x) in :0Īt. ( context) in :0Īt ( req) in :0Īt (System.Object o) in :0Īt ( wr) in :0Īt ’s phones have faced an enduring problem, one that started with the iPhone 4S – which is when we originally wrote this (now substantially updated) article.īack in 2013, Apple's support forums were inundated with users complaining that they could no longer activate Wi-Fi on their Apple device.