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Part of the iPhone 4S users who have downloaded iOS 7.1, released by Apple in early March, reports on Internet forums who can no longer use the WiFi on smartphones. The option appears disabled (gray) lancia and it is impossible to turn it on. For now, there is no solution from Apple to malfunction.
When you open the quick access menu, the user is faced with the message: "Wi-Fi available." When accessing function in Settings, the screen "freezes" showing the disabled Wi-Fi button.
On the discussion board of Apple, the first to complain of the problem was a user identified only as "fahruzi," a day after Apple release the update to iOS 7.1. So far, the topic in English titled "iOS 7.1 iPhone 4S - Wi-Fi available ... help" had 66 responses from users and most of them go through the same problem.
The bug apparently affects only some users of the iPhone 4S - we found similar complaints against other newer models like the iPhone 5 or 5s. Consult technical support from Apple, which confirmed to have served clients with this model of smartphone also problems with the WiFi after updating the system.
You can find also on Apple's discussion forum, users complained of problems with the WiFi after updating their devices to iOS 7.0.4 (prior to version 7.1). In that case, some said they had to get very close to the router to the network appear available on the iPhone. Others said that despite the available networks show up, it was impossible connection.
According to users, the Wi-Fi button is always disabled in iPhone 4s. To access it in the quick menu, the message "Wi-Fi unavailable" (Apple Playback) No official lancia solution arises
Users seeking specialized technical assistance on Apple are told to wait. "There lancia is a solution for now. We are instructing our clients awaiting an update of iOS for a possible fix for this issue, "says André Marcelino, director of Fix iPhone, lancia specialized technical support in Apple.
In any case, a basic recommendation given by Apple to troubleshoot Wi-Fi on any iPhone is reset network settings in Settings> General> Reset> Reset Network Settings.
The most bizarre of them (not recommended by experts) is on YouTube: does your smartphone using a hair dryer to force the iPhone 4S to get in the way of excessive heat warning. The device is then switched off and cooled down - even in the freezer. When you connect the iPhone 4S and reset the network settings, Wi-Fi enabled to appear again.
Marcelino, the iPhoneFix says that this technique can even momentarily resolve the error, if it is caused by a burst on the logic board of the iPhone lancia 4S, not the software. "But the problem will reappear sooner or later," he says.
But the most obvious danger is damage to the appliance to heat it and cool it. "These home remedies how to use the hair dryer refrigerator or freezer and then raise the temperature of the plate, which includes not only the Wi-Fi antenna All other components are there as well and can stop working," says Juliana Nishiyama, partner-owner of iPhone Place, technical expertise in Apple.
Two other alternatives are suggested in the forums to enable Personal Hotspot (Settings> Personal Access) feature or restore your iPhone (without using the previous backup from iTunes and installing the firmware of the device, an essential part, as a "brain" that distributes all the Electronic and memory) information.
In the latter case, Juliana alert only if the iPhone is not pre-exist with other problems