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Even though it’s a great OS, many people have been encountering lots of issues with iOS 10. For this reason, a good solution is to downgrade to the previous version, meaning iOS 9. This will make your phone work again in case you are encountering some huge issues and it can help you wait some more weeks until Apple will solve all the bugs in iOS 10. But how to do it?

  1. Look for the backup of iOS 9 on your iPhone or iPad. Hopefully you did back up before upgrading, and if you did, you should find the file in username/Library/iTunes/. “Username” refers to the name with which you log into the OS. Search for the latest version of iOS 9, which should be named “iOS 9.3.2.ipsw. Check the name, it should contain the name of your device plus the iOS number.

In case you didn’t backup, you can find some .ipsw files online, but they will not contain your apps and other data.

  1. Open the .ipsw file. For this, plug in your device to the PC or Mac and start iTunes. Click on the device from the iTunes menu and choose “Summary”. If you’re on a Mac press the Option key on the keyboard, or Alt on a PC, and then click on “Restore”.
  2. In the window that opens, go to the folder where you had previously saved the iOS 9 .ipsw file and open it. Not iTunes will start uninstalling iOS 10 and reinstalling iOS 9.

You might get a message that you’re running the latest version of the operating system, case in which you should restart the device in Recovery mode. For this, turn off the device and unplug it from the machine, then press the Home button while you plug it back in.