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Hard reset iBall Cobalt Oomph 4.7D


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iBall Cobalt Oomph 4.7D


OS: Android v4.4 (Kitkat)

CPU: Quad core, 1.3 GHz, Cortex A7
RAM: 1 GB
Display: 4.7 inches (11.94 cm)
Battery: 1850 mAh


For Hard reset iBall Cobalt Oomph 4.7D use following steps


1. Turn off your phone using the Power button

2. Press and hold the Volume Up button together with the Power button for a few seconds.

Android logo iBall Cobalt Oomph 4.7D
3. When the Android image appears on the screen, press the Power button to enter Recovery Mode .

wipe data / factory reset iBall Cobalt Oomph 4.7D
4. Then use the Volume Down key to select " wipe data / factory reset " and then press the Power button to confirm.

Yes - delete all user data iBall Cobalt Oomph 4.7D
5. Select « Yes - delete all user data ». Use the Volume Up / Down buttons to scroll and the Power buttons to select.

reboot system now iBall Cobalt Oomph 4.7D
6. Select " reboot system now " and press the Power button to confirm.






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.


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