Q: "I tried to update my iPhone to the new iOS 12, but there was an error and it failed finally. Later when I browser my iPhone I find some data has gone. Luckily I have turned on iCloud backup, but I still don't how to do it. Can someone tell me how do I recover my files from iCloud? Thanks advance!" - Josh from Quora

The failure of iOS upgrade may lead to the data loss, just as what happened to Josh. You may also lose the data on your iPhone like mistaken deletion, virus attack, forgotten passcode, device stuck, water damage, etc. Fortunately, Apple users can use iCloud to store a lot of iPhone data in case accident happens. Here we are going to share you 3 possible ways to recover data from iCloud backup efficiently.

Part 1. How to Restore from an iCloud Backup on iPhone (Official Method)

The first possible and official solution is to restore from an iCloud backup file, in order to get your lost data back. But this method needs you to efface all the existing data on your device first. You can make a new backup first and then start to restore your iPhone. If you're ready, now let's go and learn how to restore iPhone from iCloud.
restore from icloud backup
Step 1: Open your device and go to the "Settings" > "General" > "Reset", then tap on "Erase All Content and Settings" to erase all the data on your iPhone. Next you'll be led to setup screen.
Step 2: Follow the onscreen guide to set up your iPhone. When you comes to the Apps and Data screen, please select the "Restore from iCloud backup" option to recover lost iPhone data from iCloud backup.
Step 3: Sign in your iCloud account now and choose the most relevant backup file to restore. Wait until the restoring process ends. Don't discount Wi-Fi during the whole restoration process.

Part 2. How to Retrieve Data from iCloud via iCloud.com

Every now and time, Apple iCloud.com will keep backing up your iPhone data like deleted files, contacts, calendars, Safari bookmarks, photos and videos. So you also have a chance to retrive data from iCloud if you lost them by accidental deletion. But it only retains the deleted files for 30 days. After that, all data is gone.
restore from icloud.com

Step 1: Go to iCloud.com in any web browser and log into iCloud account with your Apple ID and passcode.
Step 2: Click on Settings icon and then select the files you want to restore such as Contacts, Calendars and Reminders, Bookmarks. Or you can press the "Select All" if you want to restore everything.
Step 3: Now click the "Restore" button to recover data from iCloud backup easily.

Part 3. How to Recover Lost Data from iCloud Backup with Joyoshare

The third and most effective method is to use a professional iCloud data recovery program to retrieve lost data from iCloud backup. Among various such tools in the market, here I highly recommend Joyoshare iPhone Data Recovery, which is 100% dependable safe data recovery utility.

This fastest iPhone data recovery software can find lost iPhone text messages, contacts, voice memos, call history, Safari bookmarks, photos, WhatsApp/Viber/Kik messages, etc. without overwriting the existing data on your phone. No matter how you lost your data, it will bring them back. Besides, you're allowed to preview the lost files and thus recover them selectively.

Key Features of Joyoshare iPhone Data Recovery:

Restore lost data from iCloud efficiently

Support to recover more than 20 kinds of iOS data

Salvage lost iPhone data from all possible scenarios

Fully compatible with all models of iOS devices (iOS 12 supported)

joyoshare iphone data recovery win