Install and run iOS Data Recovery (Mac) on your computer. Then connect your iOS device to the computer. And you will see the window of the program on the right.
Note: If you are using an iPhone 4/3GS, iPad 1 or iPod touch 4, you can switch to the "Advanced Mode" via the button at the lower-right corner.
You can simply click "Start Scan" button in the program to start scanning your iOS device and find lost data on it.
Note: For the "Advanced Mode", you can follow the description in the window to get your iPhone 4/3GS, iPad 1 and iPod touch 4 scanned deeply.
After the scanning process, you can check all found data in the scan result generated by iOS Data Recovery, such as lost photos, contacts, messages, notes, call log, whatsApp conversations, and more. Select what you want and click "Recover" to save them to your Mac with just one click.
After running iOS Data Recovery Professional (Mac) on your computer, click "Recover from iTunes Backup File" on the top of the main window.
All iTunes backup files on your computer will be immediately found and displayed on the window. Choose the one for your device and click "Start Scan" to extract the content out of it.
Note: You are suggested to choose the latest one if you have more than one iTunes backup files.
After the scan is completed, you can preview all the contents by clicking the categories one after one. Mark those you want to recover and click the "Recover" button to save them on your Mac.
Choose the recovery mode of "Recover from iCloud Backup File" on the top of the program's window. Then you'll be asked to log in your Apple ID.
When you log in, you'll see the backup files are displayed as a list. Choose the one you need and click to download it. This will take you a little time. Once the downloading is completed successfully, you can begin scanning to extract it.
After scanning, you are able to preview the data. All found data will be displayed in categories on the left side of the program. Click the one you want to check, and tick the item you want while previewing. Then you can easily save all of them on your Mac by clicking on the "Recover" button.