Hi I have got an iPhone 4s with iOS 8.3 and I want to buy a new iPhone SE. Can I backup my iPhone 4s with e ios 8.3 and then restore it in the iphone SE with iOS 9.3?
thanks
paolo
Yes. You can restore a backup made with an older version of iOS to a phone with a newer one with no issues.
You could also update the 4s to iOS 9.3 and backup afterwards too.
Yes you can. You can restore a backup made with an older iOS to a device with a newer iOS, you cannot restore a backup made with a newer iOS to a device with an older iOS.
About backups in iCloud and iTunes - https://support.apple.com/HT204136 - "You can copy and save the data on your iPhone, iPad, or iPod touch by backing up your device in iCloud or iTunes. If you replace your device, you can use its backup to transfer your information to a new device."
How to back up your devices using iCloud or iTunes - https://support.apple.com/HT203977 - If you back up your iPhone, iPad, or iPod touch, you’ll have a copy of your information to use if your device is ever replaced, lost, or damaged. Backups let you transfer data from your last device to your new one.
If your iTunes backup couldn‘t be completed or you can‘t restore from a backup - https://support.apple.com/HT203271 - "If you need help with an iTunes backup of your iPhone, iPad, or iPod touch, learn what to do." If an alert says that an error occurred
Backup and restore from ios 8 to 9
