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Downgrade iPhone 6/6s/5s from iOS 10 to iOS 9.3.5/9.3.3 without Losing Data

Posted on Sep 22, 2016 by Tracy King to iPhone Data Recovery

This article tells how to downgrade iPhone 6/6s/5s etc from iOS 10 to iOS 9.3.5/9.3.3 etc with easy steps. If your iPhone cannot support new iOS 10 quit well, follow this article and you can directly revert iOS 10 to previous version without losing data.

Feel regretful after updating to iOS 10 in your iPhone or iPad? It seems that iPhone 6/6s/5s etc devices cannot support iOS 10 very well and some users even complain that their iPhones even became hot after installing iOS 10. How to fix this problem? The best solution is to downgrade iOS devices from iOS 10 to previous version. Here in this article, you'll find simple steps to downgrade iPhone 6/6s/5s from iOS 10 to iOS 9.3.5/9.3.3 etc without losing any data. Read and follow below steps to rollback iOS 10 now:

Step 1. Backup iOS data from iDevices (into iCloud, iTunes or PC)

Step 2. Downgrade iPhone 6/6s/5s from iOS 10 to iOS 9.3.5/9.3.3

Step 3. Restore iOS backups to iPhone 6/6s/5s

So let's follow below 3 steps to start iOS 10 downgrade process in iPhone 6/6s/5s without losing any data now.

Step 1. Backup iOS data from iDevices to iCloud, iTunes or PC

In order to avoid unnecessary data loss trouble due to iOS downgrade, it's highly advised for you to backup important iOS data from iPhones to iCloud, iTunes or PC. You can simply backup iOS data to iTunes or iCloud by searching Apple support online. However, here we wouldn't like to recommend you to try these two methods.

Both iCloud and iTunes are not quite secure for iOS users to protect privacy and important personal information. Here we'd like to recommend you to backup data from iDevice to PC. All you need is a professional iOS data recovery software to extract all iPhone data into PC with ease. 

Backup iOS data before downgrade iOS 10.

Step 2. Downgrade iOS 10 to 9.3/.5/9.3.3 etc

Now you can follow to downgrade iOS 10 in iPhone 6/6s/5s to iOS 9.3.5/9.3.3: 

  • Connect iOS Device with PC, download the latest iTunes on Windows or Mac.
  • Download iOS 9.3.5/9.3.3 IPSW file that has been readied by Apple for iPhone, iPad or iPod touch;

Here we'll list some relative download links for iOS 9.3.5/9.3.3 IPSW file:
   iOS 9.3.5 for iPhone 6
   iOS 9.3.5 for iPhone 6s
   iOS 9.3.5 for iPhone 5s
   iOS 9.3.3 for iPhone 6
   iOS 9.3.3 for iPhone 6s
   iOS 9.3.3 for iPhone 5s 

  • Turn off Find My iPhone feature: Settings > iCloud > Find My iPhone > Tap on Off;
  • Connect iOS devices to Mac or PC and launch iTunes;
  • Set iDevice into DFU mode: hold Power + Home/Touch ID buttons for 10 seconds > release Power and hold Home/Touch ID until DFU mode shows up;

iTunes will alert you that it discovered a device is in Recovery Mode;

  • Hold Option or Shift in Mac or Windows, press Restore iPhone in iTunes interface;
  • Locate and select iOS 9.3.5/9.3.3 firmware file, iTunes will then go through it and install it on your iDevice.

Now you can restart your iPhone 6/6s/5s to continue enjoy stable iOS 9.3.5 or 9.3.3 on your phone.

Step 3. Recover iOS backups to iPhone 6/6s/5s

After setting up iPhone 6/6s/5s with downgraded iOS 9.3.5/9.3.3, you may lose some personal data and then you can try to restore them from your backups. 

If you backup iOS data to PC, you may directly import backups into your iPhone, iPad or iPod touch.
If you backup data to iCloud or iTunes, you may then try more complex steps to restore them.

If you don't have any backups in iCloud, iTunes or PC, you'll have to apply professional iPhone data recovery software to help restore all lost data due to iOS downgrade. EaseUS MobiSaver will simplify all steps. Only 3 steps will restore your lost data:

1. Download and launch EaseUS MobiSaver on your PC. Connect your iDevice with it.
Choose "Recover from iOS Device" and click Scan

Restore lost data due to iOS 10 downgrade.

2. Scan iPhone 6/6s/5s and find lost data.
EaseUS Mobisaver will automatically scan iPhone and find lost data for you.

Restore lost iPhone data due to iOS 10 downgrade.

3. Preview and export found data to PC
Mark the files that you want and click "Recover" button to get all of them back once.
Specify a folder on the computer to save all the data to your PC.

Recover iPhone data after iOS 10 downgrade to iOS 9.3.5/9.3.3.

After this, you can then import all found data to iPhone 6/6s/5s to continue use them with iOS 9.3.5/9.3.3 then.