Do you want to update your iPhone or iPad to iOS 9.3.3 but you are worried about data loss due to iOS 9.3.3 update? Since Apple Inc. only released the iOS 9.3 beta version, many iOS device users do not have enough trust in it. iOS 9.3.3 has fixed the bugs in iOS 9.3.2 and has a powerful function. Usually, you can update to iOS 9.3.3 on many iOS devices such as iPhone 4S, 5, 5S, 5C, 6, 6S, 6 Plus, iPad 2, 3, 4, mini and iPad Air, iPad mini 2, iPad Air 2, iPad mini 3, iPod touch and so on. Your iOS device should have had a better performance after updating to iOS 9.3.3, but the iOS 9.3 beta version seems has no new function compared to iOS 9.3.2. Even so, many iOS device users still like to update their devices to iOS 9.3 beta version.
For iOS 9.3.3 updating, what you should pay attention to is to avoid data loss during or after updating your iPhone, iPad or iPod touch to iOS 9.3.3. There is no better way than making a backup for the device to avoid losing data from your iPhone, iPad or iPod touch. As a iOS device user, you probably know that iTunes and iCloud provides two good and easy solutions for iOS device backup. Therefore, you can backup your iPhone, iPad or iPod mini with iTunes or iCloud before updating to iOS 9.3.3.
To backup iPhone with iCloud: connect iPhone to WiFi and click "Settings" > "iCloud" > click "Storage & Backup" and toggle iCloud Backup to "On" side > click "Back Up Now"
To backup iOS device with iTunes: connect iPhone to a computer with iTunes > launch the iTunes > choose iPhone in iTunes and click "Summary" > click "This computer" and then click "Back Up Now"
It is very useful to make a backup for your iOS device before updating to iOS 9.3.3. You can easily restore iPhone from iCloud backup / iTunes backup if any data got lost during iOS 9.3.3 updating.
Not all iOS device users are able to update their devices to iOS 9.3.3. the iOS 9.3 beta version is only available for iOS devices that run iOS 8 and later iOS version. Besides, iOS 9.3 beta version is only available for iOS device users who have installed iOS 9 Beta Software Profile. You have two choices to update your iPhone, iPad or iPod mini to iOS 9.3 beta version:
1. iOS 9.3 Beta update via OTA
To update your iPhone or other iOS device to iOS 9.3 Beta version via OTA, you must make sure that you have never jailbreak your iPhone. As long as you have not jailbreak your iOS device, you can follow the guide below to update it to iOS 9.3 Beta version (take iPhone as an example):
Download and install iOS 9 Beta Software Profile > reboot the iPhone > click "Settings" > "General" > "Software Update" and then the iPhone will automatically test and update to iOS 9.3.3
2. Update to iOS 9.3.3 via iTunes
For iOS device users who have performed a jailbreak, you can update to iOS 9.3.3 via iTunes by following the guide below: Download the iOS 9.3.3 and update iTunes to latest version > connect the iOS device to the computer and launch the iTunes on the computer > click "Summary" in iTunes > "Check for Update" > click "Update" > click "Download and Update"
If you lose any data due to update the iPhone, iPod touch or iPad to iOS 9.3.3, the easiest way is to restore iOS device from iTunes or iCloud backup. If you are not able to recover files from iPhone without iTunes / iCloud backup, you can use data recovery for iPhone to restore the iPhone or other iOS device so as to get back what you lost.