How do I fix Error 21 on my iPhone?

The most common problem is iPhone Error 21….Some time lose cable connection between the sensor or board connection then these problems arise.

  1. Open your iOS device.
  2. Remove the screw which holds the battery in place.
  3. Look for a device cable and disconnect it then reconnect it.
  4. Done!

How do I fix error 4005 on iPhone 5s?

How to Fix iPhone Restore Error 4005?

  1. Method 1: Update iTunes.
  2. Method 2: Force Restart your Device.
  3. Method 3: Changing USB Cable.
  4. Method 4: Changing PC.
  5. Method 5: Entering DFU mode:
  6. Solution 6: Contacting Apple Support:

How do you fix errors on iPhone?

Fix iPhone errors: 2, 4, 6, and 1611

  1. Check your Internet connection.
  2. Install the latest version of iTunes.
  3. Update your iOS.
  4. Update your Windows or macOS.
  5. Uninstall third-party software on your computer.
  6. Restore iPhone from another computer.
  7. Check your USB connection.

How do I fix error 42110 on iTunes?

How to Resolve the iTunes Error 42110

  1. Method #1: Install and Download the Current iTunes Version.
  2. Method #2: Delete the SC Info Folder.
  3. Method #3: Update Critical System Settings.
  4. Method #4: Contact iTunes Technical Support.

How do I put iPhone in restore mode?

Plug your iPhone in to your computer using your USB to Lightning cable. With your phone connected to your computer, press and release the Volume Up button, press and release the Volume Down button, and then press and hold the Side button until you see the recovery mode screen.

What is a decompression bomb 42110?

A ‘ decompression bomb’ is a term given to archive files (RAR or ZIP) that have a very high compression ratio. These files have the potential to grow to be very big once they are extracted and possibly use up all the memory.

How do I fix iTunes network connection was reset?

How to fix iTunes errors that say “The network connection was…

  1. Reboot and update your computer.
  2. Turn off Simultaneous Downloads and correct the Date & Time.
  3. Test your Internet connection.
  4. Check Apple’s System Status.
  5. Sign out of iTunes, then sign in again.
  6. Disable your firewall or security software.