If you are also 1 of those who would probably be annoyed with this kind of iTunes Error 40 iPhone Apple Device Code problem on your iPhone device again and again, then you must have to try all the solutions once to get back from this error problem.

This shows an error code message like,

Error 40

The iPhone could not be restored. An unknown error occurred

This error is mainly found on your iPhone when trying to restore your iPhone. This Error Code 40 may also indicate any hardware issue with your device.

Causes of iTunes Error 40 iPhone Apple Device Issue:

So, here below are some quick tips and tricks for easily fixing and solving this type of iTunes Error 40 iPhone Apple Device Code problem from you forever.

How to Fix iTunes Error 40 iPhone Apple Issue

1. Restore your iPhone without SIM Card –

Restore without SIM Card

  • Remove the SIM Card
  • Restart the Device
  • Now, connect to iTunes
  • Start the ‘Restore‘ process
  • That’s it

Restoring without a SIM card can quickly fix and solve this Error iPhone problem.

2. Reset your iPhone Device –

Reset your Device

One of the best methods to solve this Error Code iPhone problem is to reset your device. It will make many changes to your device. & also, make it better too. I know it’s the most annoying & frustrating task, but it will help you eliminate this Error.

  • Press & hold the Home & Sleep button (about 15 sec.)
  • Reboot¬†it
  • That’s it, done

It will Reboot your device so that this Error 40 iTunes problem can be fixed. Hope it will work.

3. Update the iTunes Software –

Update iTunes Software

Update your iTunes software to easily fix and solve this Error code Apple problem.

4. Run the Recovery Mode for iPhone –

Run Recovery Mode in iPhone Error 40

  • Turn off your iPhone
  • Open iTunes & then
  • Connect your device to your PC with a USB cable
  • Press & hold the Home + sleep/wake button for some seconds
  • Now, release the power button
  • You will get ‘Connect to iTunes Screen.’
  • Now, your iPhone will be detected in ‘Recovery Mode.’
  • Backup & Restore the Data
  • That’s it, done

Running recovery mode on the iPhone can quickly solve this Error 40 iPhone 6 problem from you.

5. Reset your iPhone Network Settings –

Reset the Network Settings

You can Reset all your Network Settings & get back from this Error.

  • Go to the Settings
  • Select the General tab
  • Click on the ‘Reset Network Settings‘ option there
  • That’s it, done

It will Reset all your Network Settings to fix this iPhone Error code problem.

6. Do a Factory Reset of your iPhone –

Do a Factory Reset of your iPhone Error 40

  • Go to the settings
  • Click on the ‘General‘ option
  • Now, click on the “Reset & Approve” option there
  • That’s it, done

Doing a factory reset of your iPhone can also fix this Apple Error code 40 problem.

7. Clear the iPhone Cookies, Caches, and History –

Clear Cookies, Cache and History

This is one of the all-time simple Error Code 40 iPhone methods to Clear the Cookies, Cache, and History of your Device. For that,

  • Go to the Settings
  • Click on the Safari browser
  • Select the ‘Clear Website Data.’ option there
  • That’s it, done

It will clear all your browser caches, website data, and the History of this Apple Error code problem to fix.

8. Replace your iPhone Battery –

Replace your iPhone Battery Error 40

Replacing your iPhone battery can eliminate this Error code 40 iPhone problem.

9. Unplug an extra USB Device –

Unplug an extra USB Devices

Keeping only your device, mouse and Keyboard plugged into your Computer will eliminate this Error 40 iPhone 6 problem.

10. Restart your Device and Computer –

Restart your Device and Computer Error 40

Turn off your Device and your Computer. Then Turn them ON again. It will fix this iPhone Error code 40 problem.

11. Update your Computer –

Update your Computer

Install updates for your MAC. If you have a PC, Get updates from Microsoft. So from this, you can fix this Apple Error code 40 problem.

12. Check your Computer’s Security Software –

Check your Computer's Security Software Error 40

You might need to uninstall, change or update software that’s causing an issue then you will get rid of this Error code iPhone problem permanently.

Conclusion:

These are the quick and the best methods to get rid of this iTunes Error 40 iPhone Apple Device Code problem from you entirely. Hopefully, these solutions will help you get back from this Error Code 40 problem.

If you are facing or falling into this iTunes Error 40 iPhone Apple Device Code problem or any error problem, then comment down the problem below so that we can fix and solve it too with our top best quick methods guides.

1 COMMENT

  1. Hi, I have a problem with my iPhone it won’t turn on! huhuhu, and then when I try to restore it on my laptop after extracting software, it says error 40. please help. Do I need to change my battery? Or the NAND chip?
    “My phone as of the moment.”
    -no responsive
    -doesn’t charge, but when I charge it for more than 2 hours it gets hot
    -error 40
    -there is a freeze apple logo before error 40 occur.

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