Vodafone 858 Smart hard reset using buttonsPress and hold VOLUME UP+ POWER ON Vodafone 858 Smart to get into recovery menu. Select Factory reset with Volume down button. Confirm with power key. All of your data will be lost! Back up your data first!
Resetting Your Mobile Phone using menu
Restoring Factory Data
If you reset your phone to the settings that were configured at the factory, all of your personal data stored on the phone, including information about your Google Account, any other accounts, your system and application settings, and any applications you have downloaded will be erased. Resetting
the phone does not erase any system software updates you have downloaded or any files on your microSD card, such as music clips or photos.
1. On the Settings screen, touch Privacy > Factory data reset.
2. When prompted, touch Reset phone, and then touch Erase everything. The mobile phone resets
the settings to the original factory settings, and then restarts.
Backing Up My Data
You can use your Google account to back up your mobile phone’s settings to Google servers. If you replace your mobile phone, the settings you have backed up will be transferred to the new mobile phone the first time you sign in to your Google account.
1. On the Settings screen, touch Privacy.
2. Select the Back up my data check box.
Vodafone 858 Smart bootloader modePress and hold END CALL + VOLUME DOWN+ POWER ON Vodafone 858 Smart to get into bootloader mode
If it doesn't work try End + Vol UP + Power on.