How to Use 3uTools to Back Up Your iPhone Before Installing latest iOS？
Although it's not likely you'll run into trouble with the new OS, better safe than sorry. Here's a quick refresher on manually backing up your data.
Before you upgrade, however, it's a good idea to make sure you've got a full backup of your iPhone, just in case something goes wrong.
How to backup iPhone using 3uTools？
Step 1: Download and install the latest 3uTools on PC. Connect your iPhone to PC via USB sync cable. Run 3uTools.
Step 2: Click Backup/Restore -> Backup iDevice -> Backup Now.
Step3: Please wait patiently until this process is completed.
That's all there is to it! Now you can go forth and install latest iOS, with every confidence that if something gets mucked up along the way, you'll be able to restore your iPhone to its previous, working state.
If you want to customized back up your device, you could choose correspond section you want to back up in 3uTools, as below:
- How to Back up and Restore in 3uTools? What's Customized Backup & Customized Restore? How to Back up iPhone’s Contacts Using 3uTools? How to Back up Notes Using 3uTools? How to Search Message in 3uTools Backup Viewer? How to Restore Backups of High iOS Version to A Lower iOS Version?