It is RECOMMENDED that you backup prior to any updates but not required. I have updated plenty of times without backing up and have been fine. Your sister’s iCloud won’t make a difference. Once a device’s software and firmware are updated, they remain that way, regardless of which iCloud is logged in.
Do you have to backup iPhone before iOS update?
iOS 12, Apple’s newest mobile operating system for iPhones and iPads, will be available to download starting Monday. Make sure you’ve backed up your iPhone or iPad before you download and install the update — otherwise you risk losing your data.
Is it safe to update iOS without backup?
Although Apple recommends creating a backup of your iPhone before installing iOS updates, you can install the latest system updates for your phone without a backup. … It merely provides an option to retain previously saved content such as contacts and media files in case your iPhone runs into problems.
Do I need to backup my phone before I update it?
No matter success or failure of the upgrade to Android O, all your data would be wiped. So backing up important data on your device is necessary.
Do I need to backup iPhone before updating to iOS 13?
The one thing you need to do before updating to iOS 13 is backup your iPhone. This will ensure that all your data is safe, just in case something goes wrong during the update process. It’s also important to save a backup if you’re installing the iOS 13 beta, just in case you want to revert back to iOS 12 at some point.
Will updating iPhone delete everything?
Though Apple’s iOS updates are not suppose to delete any user information from the device, exceptions arise. To bypass this threat of losing information, and to quell any anxiety that may accompany that fear, back up your iPhone before doing an update.
Will updating iPhone lose data?
No. You won’t lose data due to an update.
What happens if you update your iPhone without backing it up?
In this case, if you don’t have a backup, you stand to lose all your data when you setup the device. If the update goes alright, nothing happens if you don’t have a backup. But if you experience problems after updating to iOS 12, you don’t have a way of going back to the older version without that backup.
Do I need to backup before updating iOS 14?
If you can help it, you should never update your iPhone or iPad without a current backup. … It’s best to do this step right before you start the update process, that way the information stored in your backup is as current as possible. You can backup your devices using iCloud, using Finder on Mac, or iTunes on a PC.
What happens if you skip backup on iPhone?
You can back-up (store data from the iPhone to the backup file) regardless of whether or not you restore(get data from the backup onto the device) an existing back up. Not restoring it means you won’t have all the data in the backup, and you will need to erase the phone and start over if you wish to restore a backup.
Will I lose my photos if I update to iOS 14?
In addition to making the process a little easier when you want to update the OS, it also will keep you from losing all your favorite photos and other files if your phone is lost or destroyed. To see when your phone was last backed up to iCloud, go to Settings > your Apple ID > iCloud > iCloud Backup.
Does updating phone delete everything?
I’m afraid of updating to Marshmallow will delete data. … When you’re ready to install Android 6.0 Marshmallow, don’t take it in a rush though most of the time the update is automatic. Everyone who cares enough data on the phone, like contacts, SMS, photos, music, call history, etc should have a backup before the update.