Samsung B7722 hard reset
B7722_Flash loader 7.2.4 SEC 2.4 Lite And Slave 0.4
You can reflash your firmware to completly reset your B7722 phone.

Use this method to hard reset your Samsung B7722 phone: Enter *2767*3855#. Warning! All your data including contacts, messages etc. will be lost! Copy all your necessary data/Contacts/Messages etc. to SIM or make backup to your PC before full reset! Take out SIM card before full reset.
Go to Settings > Phone settings > Memory settings
Access and alter the following settings to control your
phone’s memory use:
• Clear phone memory: Erase the selected data from your
phone’s memory.
This will permanently erase all selected data from
the phone’s memory.
Go to Settings > Phone settings > Reset settings
Reset various settings to the factory default values. Select
which settings to reset. You must enter your phone
password to reset the settings.
If you know the hard reset with buttons / keys, pls leave a comment. All comments are welcome! :)