[Fix] My iPhone Cannot Connect to Wi-Fi
Wi-Fi is definitely one of the greatest inventions in such a mobile-flooded world. If you're using a limited cellular data plan, it might be quite a headache when the mobile data is running out but the month is not yet over. Thanks to Wi-Fi network, you could sometimes get by with the rest of cellular data. Wi-Fi and Cellular Data are totally different network, but we can barely live without one of them.
However, it seems quite a commonplace that iPhone users run into the problems with Wi-Fi, which is also one of the top iOS issues on iPhone.
Case 1: "My iPhone 7 fails to join Wi-Fi network after upgrading to iOS 10.2. Anyone knows why it happens and how to fix this annoyance? Any ideas will be greatly appreciated."
Case 2: "My iPhone 6s Plus cannot connect to Wi-Fi. Ever the Wi-Fi button is greyed out. It just happens without my knowledge. Anyone knows why?"
Here I present you more details in the following sections. If you're troubled with this annoying Wi-Fi issue, please take a look at the potential workarounds below.
- Part 1: Why iPhone Cannot Connect to Wi-Fi?
- Part 2: 6 Ways to Solve Wi-Fi Connection Problems
- Part 3: Methods to Fix if Wi-Fi Option is Greyed Out
Part 1: Why iPhone Cannot Connect to Wi-Fi?
Reason 1: This is a bug in iOS software, which might be fixed in the latest version of iOS. Therefore, you might go and check whether it's a software update available.
Reason 2: There is something wrong with your iPhone but it can be fixed via some tricks below.
Reason 3: Your route is not working well. Or the network that the route connects is poor. Please check whether the cables connected to the router are loose.
Part 2: 6 Ways to Solve Wi-Fi Connection Problems
Things to Check before Reading on:
1. Ensure that your router is connected to the modem and turned on.
2. Ensure that your iPhone is within range.
3. Ensure that your Wi-Fi is enabled.
4. Ensure that you can see Wi-Fi network on iPhone.
Workarounds to Solve Wi-Fi Problem:
1. If there is a bug of iOS, it could be highly possible to be fixed on the latest version of iOS. Therefore, please go to "Settings" > 'Software Update" to see whether there is a new version available. If so, please upgrade your iPhone to the latest iOS.
2. Forget Wi-Fi network and re-connect to it. Sometimes the network goes wrong, but it might be back to normal before long. So please tap the "!" mark next to the Wi-Fi network you're connected to and choose "Forget This Network". Then, reconnect the Wi-Fi and enter the password again.
3. If there is an alert like "No Internet Connection", which means that iPhone detects a problem with your Wi-Fi connection. In that case, you may get a Wi-Fi recommendation or get suggested solutions on the issue by taping the Wi-Fi network.
4. One helpful fix to try is to restart your iPhone. You can do it via soft or hard reboot. After it starts up, please try connecting to Wi-Fi and see whether it helps.
5. It's worth trying to unplug your router and then plug it back in. Also, try to unplug your cable or DSL modem and plug it back in later.
6. If iPhone still fails to join network, you might need to perform a network reset. Please go to "Settings" > "General" > "Reset" > "Reset Network Settings". This also resets Wi-Fi networks and passwords, cellular settings, and VPN and APN settings that you've used before.
Part 3: Methods to Fix if Wi-Fi Option is Greyed Out
As opposed to the issue above, some iOS users have reported that they cannot even enable Wi-Fi option. The Wi-Fi option is greyed out and unable to be toggled on. Here's the fixes you might as well give it a try.
1. If your iPhone has not yet been updated to the latest version of iOS, please go to "Settings" > "General" > "Software Update" and install the latest update.
2. Hard reboot your iPhone. Press and hold down "Home" and "Power" buttons at the same time. Since the restart process would re-configure your iPhone in background, the problem might be solved.
3. Navigate to "Settings" > "General" > "Reset" > "Reset Network Settings". This would erase previously saved settings of any Wi-Fi network.
4. Restore iPhone via iTunes. If none of the potential methods works, you might need to restore your iPhone through iTunes. However, please be sure to make a full backup for iPhone before doing this.
Sincerely hope that you're able to find the solutions here. If there are other iPhone issues that are beset you, please try to find related solutions on iFoneTips. Or, drop your misgivings below, I will get back to you as soon as possible.