How do I fix Error 21 on iPhone?

Fix iTunes error 21 or iPhone error 21 through recovery mode

  1. Put your device into DFU Mode. Hold the power button down for 3 seconds.
  2. Connect to iTunes. Plug your iPhone into your computer, and access iTunes.
  3. Restore iTunes. Open the ‘Summary’ tab in iTunes, then click ‘Restore.

How do I fix Error 21 on iPad?

Here are the steps to fix the iPhone error 21.

  1. Restart iTunes by updating iTunes.
  2. Update iTunes to Repair iPhone Error 21.
  3. Turning Off or Adjusting Your Anti-Virus.
  4. Checking the Host File.
  5. Unplugging Any Unnecessary USB Devices.
  6. Checking the Sensor Cable.
  7. Using DFU Mode to Fix iTunes Error 21.

How do I fix iTunes error on Mac?

Try these steps:

  1. Make sure that your Mac has the latest version of macOS or the latest version of iTunes.
  2. Force your device to restart:
  3. Connect your device to your computer using a USB cable.
  4. When you see the option to update or restore, click Update — not Restore — to reinstall the software and keep your personal data.

How do I fix error 0xe800000a in iTunes?

Helpful answers

  1. Make sure that your iOS device is unlocked and on the Home screen.
  2. Make sure that you have the latest version of iTunes that works with your computer.
  3. Check that you have the latest software on your Mac or Windows PC.
  4. Make sure that your device is turned on.

How do I fix Error 21?

(The 21 error code actually comes from the operator’s network, and has nothing to do with Android as such.) Removing the extra 0 solved the problem. If above mentioned methods are not working, you may try installing 3rd party SMS applications (eg., EvolveSMS) instead of Google messenger. Hope it helps.

What does error code 21 mean?

(Code 21) is corrupted or damaged device driver. So, Uninstalling and Reinstalling Device Driver may fix your issue permanently. Just uninstall the driver from Device Manager and install the latest version of the compatible driver.

How do I fix error code on Mac?

How to Fix MacBook Error Code 50

  1. Verify Your Disk.
  2. Use a Different File Name.
  3. Use Terminal.
  4. Check Your Power Settings.
  5. Clear Your Cache and Update Your Mac.
  6. Conclusion.

Why cant I open my iTunes on my Mac?

Click on the Apple logo in the top left corner and select the “App Store” option. Click on the “Updates” tab. Clicking on the Updates tab. Wait for the application to be updated, restart the computer and check to see if the issue persists when you launch the iTunes app.

What is iPhone error 0xe800000a?

The iTunes error code 0xe800000a refers to the app’s inability to connect to your iPhone. This error usually occurs when you connect your iPhone to your computer, and iTunes cannot work with the phone for some reason.

What is error 21 while sending SMS?

In the process, some numbers were wrongly formatted as +61 0 4xx when they should be just +61 4xx , causing the highly uninformative error message above. (The 21 error code actually comes from the operator’s network, and has nothing to do with Android as such.) Removing the extra 0 solved the problem.

What is a SIM 1 error?

The reason why does your phone show no SIM card error is that your phone is unable to properly read the contents of your SIM card. This usually happens when your SIM card is not installed properly, it is damaged, or your phone has software problems after a software update.