It is also possible that the inability to connect to Wi-Fi could be because of something going on with your network and not the phone. You can see if some of the other devices in your home are likewise malfunctioning. If you have a laptop or a PC, see if you can connect to Wi-Fi with it.
If it becomes clear that it is the network rather than your iPhone, then it will be a relief at least in the sense that there is nothing wrong with the device. You might be able to resolve the difficulty by turning off your Wi-Fi router and then turning it back on. You must wait at least a few moments for service to be restored, but then your phone can probably connect again.
You should also check each of the router connections to see if any of them are loose. If you have any pets in the house, look over the cables to see if your cat or dog has been chewing on them.
Next, you can call your service provider and see if there are any known outages happening in your area. Each iPhone stores settings related to accessing Wi-Fi and cellular networks that help it get online. These settings can sometimes cause problems that interfere with connectivity. It's very important to know that resetting your network settings means you'll lose whatever is stored in your current settings.
That's not ideal, but if that's what you need to do to get Wi-Fi working again, so be it. Here's how:. Open the Settings app. Tap General. Go to the bottom of the screen and choose Reset. Select Reset Network Settings. If you have a passcode on your phone, you'll need to enter it before you can reset. If a warning pops up asking you to confirm this is what you want to do, tap the option to proceed.
When this is done, restart your phone. It's not required, but it certainly doesn't hurt. If resetting your network settings didn't help, it's time to take a more drastic step: resetting all of your phone's settings.
Don't take this step lightly; it removes every setting, preference, password, and connection you've added to your phone since you started using it.
Resetting your iPhone's settings will not delete any apps, music, photos, etc. However, it's always recommended to back up your phone in case something goes wrong.
It's not fun to have to recreate all of those settings, but it may be required. Here's what to do:. Tap Reset at the bottom of the screen. Choose Reset All Settings. If your iPhone is protected with a passcode, you'll need to enter it now. In the warning that pops up, confirm that you want to proceed. If resetting all the settings doesn't work to fix your iPhone's Wi-Fi problem, it's time for the nuclear option: restoring to factory settings.
Unlike a simple restart , resetting to factory default settings is the process by which you delete everything on your iPhone and return it to the state it was in when you first took it out of the box. This is most definitely a last resort, but sometimes starting from scratch is what you need to do to solve a serious problem. This will purge your existing saved wifi networks and passwords and your other saved wifi settings.
New, added September 30, for iOS 14 We're seen a few cases where a full settings not contents reset will fix the wifi. If this works for you, please leave a note in the comments! If none of these work, next I highly recommend contacting Apple Support. There used to be more software causes for WiFi problems, but since mid, nearly all of the WiFi issues I've seen are hardware problems, and need Apple's intervention to diagnose the problems.
Rarely, I still see a WiFi problem where the problem is fixed, but then problem shortly returns. These are usually problems with wifi entries in the iCloud keychain which you can edit using macOS Keychain Access app if you have a Mac! If you do think you have this kind of problem, leave us a comment! Decipher Media makes Decipher Tools software to address common iPhone, iPad, and iPod needs like documenting text messages, photo recovery, and fixing broken iPhone backups.
Decipher Tools. Decipher Backup Repair Fix broken backups that won't restore in iTunes. Some users reported that Apple's fix resolved their problems, but others claimed it hadn't done the trick.
Those still suffering from the problem believed that the iOS 7 update had unearthed a hardware defect inherent in the iPhone 4S.
One user on Apple's support forums added that "The problem always existed in the device, because the device was defective, but that defect was not revealed until the HEAT that is produced as a byproduct of the update process caused the wi-fi chip to fail. It was never fully confirmed whether this was the case or not, but iFixit concluded that the problem was caused by thermal shock, and for the handy among you has posted a permanent solution.
The site adds that if this is your issue then putting the phone in a fridge for 15 minutes or under a lamp for 30 minutes may temporarily solve the problem. However, you do so at your own risk and we advise users to contact Apple support before doing anything.
Since this problem first emerged, other iPhone models have reportedly had the same problem, including the iPhone 5 , iPhone 6 , iPhone 7 , iPhone 8 , and iPhone X ranges, and two potential causes have been highlighted by users. One cause seems to be software updates, just as it was with the iPhone 4S.
One other potential cause may be water damage, or dust affecting the antenna. Apple iPhone 13 Range. Black Friday Deals.
0コメント