Free Download a trial Windows or Mac version here according to your need, have try getting back your lost data by follow the below steps.
Two Ways to Restore Lost iPhone Data from iTunes Backup
Way 1: Extract Lost iPhone Data from iTunes Backup File
Step 1. Launch iTunes Backup Extractor
Set the software up first. And double-click to get it opened. Choose the second mode by tapping on "Recover from iTunes Backup File". You may see the list of your backup history. If there is not any, the words "No relevant iTunes backup file found!" will be shown in the middle.
Step 2. Restore iPhone Photos, Contacts, SMS, and more from iTunes backup
It will take a few minutes to scan your iPhone. After that, you can preview all the extracted contents of your iTunes backup. Choose the lost data that you want it back, such as contacts, text messages, photos, etc., and click “Recover” button to get them back to your computer.
Way 2: Restore your iPhone using iTunes
Use these steps if you have a new iPhone or other iOS device, lost or broken your iPhone, or you need to to restore after a factory reset:
1. Connect your device to the computer that has your backup.
2. Install the latest version of iTunes.
3. Choose File > Devices > Restore from Back up.
The Difference Between Way 1 And Way 2:
Both the way 1 and way 2 can restore the previous iTunes backup to your iPhone, so that you can save your lost data. However, if you have a new iPhone or other iOS device, or you need to to restore after a factory reset, you can use the way 2 to get a fully recovery for your iPhone. While, if you lost your iPhone data due to deletion, iPhone lost, iPhone broken, stolen, failed to upgrade/jailbreak and so on, you just want some of the data back, you've better to use the way 1, so that you can save your time, what's more, the recently data will not being overwritten by the old data, causing more losses.
iPhone 6S, iPhone 6S Plus, iPhone 6, Plus/6, iPhone 5S, iPhone 5C, iPhone 5, iPhone 4S, iPhone 4, iPhone 3GS, iPad and iPod touch.
How to Restore iPhone Data from iCloud Backup File
How to Directly Recover Lost Data from iPhone