No matter you lose vital data on Samsung Galaxy phone due to virus infection, system crashes, mistaken deletion, some incorrect operations or ROM flashing, the most urgent thing after data loss must be finding the effective way to restore deleted data from Galaxy S6/S7/S5mobile phone to avoid greater losses.
Samsung Galaxy Data Recovery, a reliable and professional data recovery tool for Samsung, enables you recover lost or deleted messages, contacts, photos, WhatsApp and video from Samsung phones, inclucing Samsung Galaxy S7/S6/S5/S4, Galaxy Note/Ace, Samsung Epic and more.
How to Recover Lost Files from Galaxy S7
1. Install Samsung Data Recovery on your computer, and launch it after the installation.
2. Connect Galaxy S6/S5 to your computer via an USB cable.
3. After your Galaxy S6/S5 has been detected, the “Start” button will show up in the primary window.
4. A few minutes later, you will see all lost data have been found out and showed in the primary window, just choose the videos, SMS, photos or other you want, and click “Recovery” button to get all data back.

Learn more: How to Recover Lost Data from Galaxy S5
How to Recover Deleted Data from Broken Screen Samsung
Restore Data after Factory Reset Samsung Galaxy