Step-by-Step Guide to Master Reset a Samsung J7. Method 1: Master Reset using Recovery Mode. Power off your phone: Press and hold the Power button until the phone shuts down.. Here's how to factory / hard reset your Galaxy J7 V / Galaxy J7 if the screen freezes or call, app, audio or sync issues occur and the device won't start up. Perform a factory data reset only if necessary as it removes your Google™ account and all data including system data, app data and media.
Walk through tutorial on how to reset the Samsung Galaxy J7 back to factory settings. This will wipe all data from the phone and bring phone back to initial.. We offer unlocking and repair services!Visit our website: http://www.cellularproz.com/storeThis is a video on how to perform both methods of factory reset on.