After you download and install the WhatsApp messenger new version on your Samsung Galaxy phone, you find that all old WhatsApp messages and attachments are gone. They are of importance and you really want to get them back. So how to recover deleted WhatsApp messages from Samsung Galaxy and other Android phones?
In this article, we will talk about two ways on how to restore lost WhatsApp messages from Android device such as Galaxy S7 or S8.
Note: If you lose or accidentally delete data such as WhatsApp messages on your smartphone, stop using the device so the data won’t be overwritten.
WhatsApp for Samsung and other mobile devices allows you to backup the messages via the application itself. So if you have backed up the WhatsApp messages, you can restore the backup back to your device by uninstalling and reinstalling the WhatsApp application. But the backup files are valid for only 7 days, so you need to act quickly. Below is how:
Step 1: On you Android device,uninstall and then reinstall WhatsApp application.
Step 2: After you delete and reinstall the WhatsApp app, you will be prompted with a message asking if you want to import your backup or not when you open WhatsApp for the first time. You just need to click on "Restore" button to get back your WhatsApp chat history.
If you don’t have backup of your WhatsApp data, you can use cFone Android Data Recovery to retrieve lost data directly from your Samsung phone. In addition to WhatsApp data, this software also allows you to recover contacts, text messages, call history, photos, videos, music and so on. You can follow below steps to recover lost WhatsApp messages.
Launch cFone Android Data Recovery and choose “Data Recovery” in the user interface. 
Now connect your Samsung phone to the computer via USB cable and follow the steps to enable USB debugging.
In this step, you will need to select file types to scan. Now you can select “WhatsApp messages & attachments” and deselect other data types.
Now you should select a scanning mode and click “Start” to scan through the Samsung Galaxy.
The program will find and display the WhatsApp messages and attached files in the interface.
Once the scanning process is completed, you will see all your data listing in the interface. Once you select the deleted files you want to recover, click the “Recover” button to recover lost WhatsApp messages from your Samsung Galaxy.
Author：Jake | TIME：October 09,2017