Hard reset Yezz Billy 4

Specification Yezz Billy 4

Secret codes Yezz Billy 4

Root Yezz Billy 4

Screenshot Yezz Billy 4

OS: Microsoft Windows Phone 8.1

CPU: Quad-core 1.2 GHz Cortex-A7

Display: 4" inc

Camera: 8 MP, Single

For Hard reset Yezz Billy 4 use following steps

1. The smartphone must be turned off

2. Press simultaneously and hold for a few seconds the 2 buttons Volume up and Power

3. After the YEZZ logo appears on the screen, you can release the keys

4. Press the Volume Up and Power buttons simultaneously when the Android Robot logotype appears on the screen

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

6. In the menu, go to the line "yes" and press the Power button

7. In the menu, go to "reboot system now"

8. Hard reset procedure complete

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.