How To Downgrade From iOS 11.2.1 – 11.2 On iOS 11.1 – iOS 11.1.1
The new iOS 11.2 update is being released by Apple to improve stability and give users some new features. However, if this version is not suitable for you then this is the most appropriate time to proceed to downgrade iOS lower than before Apple locked sign in the next few days. The following is a detailed tutorial.
Back up data before doing so:
This is an important step that all users need to take before downgrading to any iOS version. You can do this via the iTunes backup tool or use some other third-party support software.
Downgrade steps from iOS 11.2 on iOS iOS 11.1 – iOS 11.0.1:
Make sure your computer does not have an iCloud account (if you have to remember your username and password correctly).
If you downgrade from iOS 11.2 to iOS 11.1, iOS 11.1.1, iOS 11.0.3, iOS 11.0.2, iOS 11.0.1 unsuccessful or error (related to software), you replay the sport The above is possible (maybe 2 to 3 times).
If downgrade failed and repeatedly failed, then your device may be faulty hardware (hard drive, ram, chip, etc.) please go to the repair center prestige to be timely support.
Check the battery status with 3uTools.
Ensure the device is fully charged (charge fully or at least 50%).