Guide How to Hard Reset Samsung Galaxy Core 2 SIM G355H Guide | How to Hard Reset Samsung Galaxy Core 2 SIM G355H. Hard Reset Samsung Galaxy Core 2. Hard reset or called with master reset is a process to restore all user setting to default factory setting. These actions will delete all file, installed app, and all user data including user account stored on phone internal memory. Use this method in an emergency only, for example you cant access your Samsung Galaxy Core 2 phone because a forgotten PIN, password or pattern lock screen. There isnt other way to bypass your forgotten password, you must perform hard reset to Samsung Galaxy Core 2 device in order to access this phone menu. Samsung Galaxy Core 2 released on 2014, February. This device comes with 4.5 inches TFT capacitive touchscreen, 256 K colors display. Powered by Quad-core 1.2 GHz CPU, 768 MB of RAM. Featured with 5 MP of primary camera, and VGA quality of secondary camera. Samsung Galaxy Core 2 run o...