Are you having connectivity issues with your iPhone 4, iPhone 4S, one minutes the handset is connecting to WiFi fine and then its sudden stop and cant detect any wireless even through the wireless is turned on?.
Occasionally while using your iOS device, you may notice unexpected Wi-Fi behaviour:
- Difficulty locating or connecting to a network
- Unexpected Wi-Fi signal strength or disconnects
- Inability to access the Internet
- Not automatically connecting to Wi-Fi when expected
Below are two process you can try, if the first one doesnt work you can try the second one.
- Be sure you're in range of your Wi-Fi router (access point).
- Tap Settings > Wi-Fi and turn Wi-Fi off and on. If your Wi-Fi setting is dimmed, follow these steps.
- Confirm that your Wi-Fi router and cable or DSL modem are connected to power, turned on, and connected to the Internet. If not, refer to your network administrator or Internet service provider (ISP) for assistance.
- Restart your iOS device.
- Tap Settings > Wi-Fi and locate the Wi-Fi network to which you're connected.
- Tap â€‹ and Forget this Network.
Try to connect to your desired Wi-Fi network.
Note: You may need to enter your Wi-Fi password again if your network requires one.
- Turn your Wi-Fi router off and on. If your ISP also provides cable or phone service, check with them before attempting this step to avoid interruption of service.
- Update your device to the latest version of software.
- Update your Wi-Fi router to the latest firmware. For AirPort Base Stations, install updates using the AirPort Utility.
IF ABOVE PROCESS DIDNT SOLVE THE PROBLEM YOU CAN TRY BELOW PROCESS AT YOUR OWN RISK, THE PROCESS WORKED FOR ME.
You need to place the iPhone in the freezer for around 10-15 mins! (it is best you put in a plastic bag). Make sure the WIFI is turned off while it is in freezer. After 10 - 15 minutes take it out and turn the WIFI back on, it should detect the networks.
Note: The iPhone may restart after taking it out, that's okay just make sure it's in a dry place in the freezer. I know it may sound crazy, but it worked :P
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