Solution 1: Directly Scan your iPhone to Recover Deleted WhatsApp Messages
Step1. Connect iPhone to Computer & Scan iPhone for Data
Launch the program on your computer and connect your iPhone to your computer.
For iPhone 6s/6s Plus/6Plus/6/5S/4S users:
The following window will appear. Choose the recovery mode "Recover from iOS Device" and click "Start" button to scan your data on your cellphone.
For iPhone 4/3GS users:
You should follow the next three steps to make your iPhone enter scanning mode.
1.Click "Start" button.
2.Pressing "Power" and "Home" buttons at the same time for exactly 10 seconds. The software will count down for you.
3.After 10 seconds, release "Power" button, but keep holding "Home" for another 10 seconds.
After another 10 seconds, your iPhone will successfully enter the system, and now you can release the Home button now. The program will automatically scan your iPhone.
Step2. Preview & Restore WhatsApp Messages
The following screenshot image shows the scanning processes. After it completes, data will be found and displayed in categories. Slide the small button at the top of the windows to "On" to only display deleted items. Choose "WhatsApp", and you can read the whole messages including attachments and emoji before recovery. Tick off those you want and click "Recover".
That's all of the steps.
Step1. Extract Data from iTunes Backup Files
Firstly, make sure you had synced your iPhone with iTunes before you lost the WhatsApp messages. iPhone Data Recovery enables you to selectively recover any parts of data in iTunes backup file.
Launch the program and choose "Recover from iTunes backup file". There will be some iTunes backup files appearing in the windows. Select an iTunes backup file of your iPhone to scan your lost data.
Step 2 Preview & Recover Deleted WhatsApp Messages
When the scanning stops, all data will be found and displayed in the window. You can see all the contents of your iPhone listed in the window. Choose "WhatsApp" in the left column, preview and retrieve your deleted WhatsApp messages.
Step1: Sign in iCloud Account & Choose backup file to download
Firstly, make sure you had synced your iPhone with iCloud before you lost the WhatsApp messages. iPhone Data Recovery enables you to selectively recover any parts of data in iClould backup file.
Launch the program and choose "Recover from iCloud backup file". Log in your iCloud account and there will be some iCloud backup files appearing in the windows. Select an iCloud backup file of your iPhone and click "download".
Step2: Preview & Recover Deleted WhatsApp Messages
Click "Scan" to detect files in iCloud backup file to retrieve deleted WhatsApp messages. You can selectively recover data from iCloud backup file. After the process is finished, click WhatsApp in the left sidebar to preview your chat history. Check the one you need and click "Recover" to recover WhatsApp messages to your computer.