Hard reset Ulefone S1 Pro

OS: Android 8.1 Oreo Go Edition

CPU: ARM Cortex-A53, 1300 MHz, Cores: 4

RAM: 1 GB, 667 MHz

Display: 5.5 inches

Camera: 7.99 MP (megapixels)

Battery: 3000 mAh, Li-Ion

For Hard reset Ulefone S1 Pro use following steps

1. The smartphone must be turned off

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

3. Hold down the keys until the Boot Mode menu appears

4. Select the Recovery menu item. The Volume up key is used to navigate the menu, and the Volume down key is used to confirm the selection.

Android logo Ulefone S1 Pro

5. After the Android Robot logo appears on the screen, press the Volume Up and Power keys

6. In the menu, go to the line "wipe data / factory reset", the Volume Up / Down keys are used to navigate the menu, and the Power key to confirm the choice made

7. Select the line "yes" and press the Power button

8. Go to line "reboot system now"

9. Factory reset done

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.