Hard reset Samsung Galaxy S5 (octa-core)

OS: Android 4.4.2 (KitKat), upgradable to 6.0.1 (Marshmallow); TouchWiz UI

CPU: Octa-core (4x1.9 GHz Cortex-A15 & 4x1.3 GHz Cortex-A7)

Display: 5.1" inc

Camera: 16 MP, Single

For Hard reset Samsung Galaxy S5 (octa-core) use following steps

1. To perform the Hard Reset procedure (reset to factory settings), you must turn off the power of the smartphone

2. Press the 2 buttons Volume up and Power at the same time for a few seconds

3. Release the keys when the SAMSUNG logo appears on the screen

4. Press the Volume Up and Power buttons to open Recovery Mode

5. Select the "wipe data / factory reset" menu item, the Volume Up / Down keys are used to navigate the menu, and the Power key is used to confirm the selection

6. Select "yes" and press the Power button