Hard reset BLU J4

OS: Android 8.1 Oreo (Go edition)

CPU: Quad-core 1.3 GHz Cortex-A7

Display: 5.5" inc

Camera: 8 MP, Single

For Hard reset BLU J4 use following steps

1. Press the Power button and turn off your smartphone

2. Hold down the Volume Up and Power buttons for a short time

3. When the Boot Mode menu appears on the screen, release both keys

4. In the menu, go to Recovery. The Volume up key can be used to navigate and the Volume Down key to confirm the selection

Android logo BLU J4

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

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

7. Select "yes" and press the Power button

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

9. Hard Reset (reset to factory settings) 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.