Tutorials

How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?

2017-04-01 3121 Posted by 3uTools

A lot of iOS users want to downgrade iOS 10.3 to iOS 10.2.1 retaining user's data, but they couldn’t find a way to do that. This tutorial is mainly introducing how to downgrade iOS 10.3 to iOS10.2.1 retaining user's data.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step1: Download and install the latest 3uTools on PC. Launch 3uTools and connect your iPhone to it. Click Toolbox ->Customized Backup -> Select the items you want to backup.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step2: After iDevice is backuped successfully, you need to flash your iDevice using 3uTools. Click Flash & JB -> select the firmware 10.2.1-> clcik Flash, and then just wait until this process is completed. Remember to activate your iDevice after flashing.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step3: When iDevice is activated, please back to Toolbox, click Backup/Restore -> Backups Management -> Open location.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step4: Find Info.plist file, and open it using notepad.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step5: Find 14E5260b,and then replace it with 14C92.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step6: Find 10.3, and then replace it with 10.2.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?


Step7: After modification, please back to Toolbox -> click Restore Data. Select the backups you just modified and restore it.


How To Downgrade iOS 10.3 To iOS 10.2.1 Retaining User’s Data?

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