There are almost 4 ways to recover deleted WhatsApp chat history from iPhone?
Way 1: Recover Chat History From WhatsApp iCloud Backup
In order to recover deleted chat history from iCloud backup, you have to first make sure that an iCloud backup exists in WhatsApp before. To check this, open WhatsApp, go to Settings> Chats> Chat backup.
If you see that there is last backup, then uninstall and re-install WhatsApp from the App Store.
Next verify your phone number and after that you will see the welcome notice prompting you to restore chat history. Simply tap on “Restore Chat History”. And all the deleted chat history will be restored on your iPhone X.
Way 2 - Restore WhatsApp Chat History From iCloud Backup
Way 3 - Restore WhatsApp Chat History From iTunes Backup
Way 4: By Using iPhone Data Recovery Software
If you do not have any backup of your WhatsApp messages, then you must immediately stop using your iPhone X and immediately try iPhone Data Recovery software.
This is powerful iPhone WhatsApp Chat History Recovery software that can help you to recover deleted WhatsApp messages, photos, videos, audio directly from iPhone X without backup.