My iPhone 8 Won't Connect To WiFi! Here's The Real Fix.

1. Press and hold the power button (iPhones without Face ID) or the side button and either volume button (iPhones with Face ID) on your iPhone until the slide to power off slider appears on the display.
2. Swipe the red power icon from left to right to turn off your iPhone.
3. Wait about 30 seconds, then press and hold the power button (iPhones without Face ID) or the side button (iPhones with Face ID) again until the Apple logo appears in the center of the display.

Turn Off Your iPhone In The Settings App (Option 1)

1. Open the Settings app on your iPhone.
2. Tap General.
3. Scroll to the bottom and tap Shut Down.
4. Swipe the red power icon from left to right.
5. Plug your iPhone into a power source using a Lightning cable to turn it on again.

Turn Off Your iPhone Using AssistiveTouch

1. Watch our YouTube video or follow the steps below!
2. Open the Settings app.
3. Tap General.
4. Tap Accessibility.
5. Tap AssistiveTouch.
6. Turn on the switch next to AssistiveTouch.
7. Tap the AssistiveTouch button when it appears on the display.
8. Tap Device.
9. Tap More.
10. Tap Restart.
11. Tap Restart again when the confirmation alert appears.

1. Try connecting your iPhone to a different Wi-Fi network than the one in your home.
2. If your iPhone connects to other Wi-Fi network, then you've identified that the issue is with the Wi-Fi setup in your home.
3. If your iPhone doesn't connect to any Wi-Fi networks, then the problem is likely being caused by your iPhone.

There are two ways to turn Wi-Fi off and back on again:

Turn Wi-Fi Off And Back On Again In The Settings App

1. Open the Settings app.
2. Tap Wi-Fi.
3. Tap the switch next to Wi-Fi.
4. You'll know Wi-Fi is off when the switch is gray.
5. To turn Wi-Fi back on, tap the switch again.
6. You'll know Wi-Fi is on when the switch is green.

Turn Wi-Fi Off And Back On Again In Control Center

1. Swipe up from below the bottom of the screen to open Control Center.
2. Tap the Wi-Fi  icon.
3. You'll know Wi-Fi is off when the  icon is black inside of a gray circle. 
4. Tap the icon again to turn Wi-Fi back on.
5. You'll know W-Fi is on when the icon is white inside of a blue circle. 

1. Open the Settings app.
2. Tap Wi-Fi.
3. Tap on the blue "i" to the right of the Wi-Fi network you wish to forget.
4. At the top of the screen, tap Forget This Network.
5. Tap Forget when asked Forget Wi-Fi Network "(network name)"?
6. To reconnect to the Wi-Fi network, tap on it.
7. Enter the password if the Wi-Fi network is password protected.

There are two ways to update iOS on your iPhone: in the Settings app and by using iTunes.

Update iOS In The Settings App

1. Open up the Settings app.
2. Tap General.
3. Tap Software Update.
4. If an update is available, tap Install Now or Download and Install.

Update iOS Using iTunes (PCs and Macs running macOS 10.14 or older)

1. Connect your iPhone to a computer using a Lightning cable.
2. Open iTunes.
3. Click the Phone button in the upper left-hand corner of iTunes (see image 3).
4. Click Check For Update.
5. If an update is available, click Download and Install.

Update iOS Using Finder (Macs running macOS 10.15 or newer)

1. Connect your iPhone to your Mac using a charging cable.
2. Open Finder.
3. Click on your iPhone under Locations.
4. Click the General tab.
5. Click Check for Update.
6. Click Download and Install if an iOS update is available.

1. Open the Settings app.
2. Tap General.
3. Scroll down and tap Transfer Or Reset iPhone.
4. Tap Reset.
5. Tap Reset Network Settings.
6. Enter your passcode if prompted.
7. Your iPhone will shut down, reset, and turn itself on again when the reset is complete.

How To DFU Restore An iPhone SE, 6s, Or Older

1. Using a Lightning cable, plug your iPhone into a USB port on your computer.
2. Open iTunes if you have a PC or Mac running Mojave 10.14 or earlier. Open Finder if you have a Mac running Catalina 10.15 or newer. It doesn’t matter if your iPhone is on or off.
3. Press and hold the Home button and the power button simultaneously.
4. After 8 seconds, release the power button, but continue to hold the Home button.
5. Let go of the power button when your iPhone appears in iTunes or Finder.
6. Your iPhone’s display will be completely black if you’ve successfully entered DFU mode. If it’s not, try again from the beginning.
7. Restore your iPhone using iTunes or Finder.

How To DFU Restore An iPhone 7 Or 7 Plus

1. Using a Lightning cable, plug your iPhone into a USB port on your computer.
2. Open iTunes if you have a PC or Mac running Mojave 10.14 or earlier. Open Finder if you have a Mac running Catalina 10.15 or newer. It doesn’t matter if your iPhone is on or off.
3. Press and hold the power and volume down button simultaneously.
4. After 8 seconds, release the power button, but continue to hold the volume down button.
5. Release the volume down button when your iPhone appears in iTunes or Finder.
6. You'll know your iPhone is in DFU mode if the display is completely black.
7. Restore your iPhone using iTunes or Finder.

How To DFU Restore An iPhone 8 Or Newer

1. Connect your iPhone to your computer using a charging cable.
2. Open iTunes (PCs and Macs running macOS 10.14 or older) or Finder (Macs running macOS 10.15 or newer).
3. Quickly press and release the volume up button.
4. Quickly press and release the volume down button.
5. Press and hold the side button until the screen goes black.
6. When the screen goes black, press and hold the volume down button while continuing to press and hold the side button.
7. Hold both buttons for five seconds.
8. After five seconds, release the side button while continuing to hold the volume down button.
9. Keep holding the volume down button until your iPhone appears in Finder or iTunes.
10. Restore your iPhone using iTunes or Finder.

How To Repair Your iPhone With Apple's Mail-In Service

1. Visit Apple's support website to begin the online mail-in repair process.
2. Alternatively, call 1-800-MY-APPLE (1-800-692-7753) to set up a repair.

How To Repair Your iPhone At The Genius Bar Inside Your Local Apple Store

1. Visit Apple's website to make a Genius Bar appointment before you go into the store. Apple Stores are extremely busy, and if you don't have an appointment, you may have to wait for hours or end up being turned away. (Editor's note: I'm a former Apple tech and we're not exaggerating — please, do yourself a favor and make an appointment first!)
2. When you arrive, go to the Genius Bar to check in for your appointment.
3. Genius Bar appointments always include free diagnosis. If you're under warranty, many repairs can be done on the spot, but it all depends upon which parts are in stock. If you're not under warranty, the Genius will give you a quote for the cost of a repair.