Samsung S7220 Ultra b hard reset
Use this method to hard reset your Samsung S7220 Ultra b 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.
Samsung S7220 Ultra b soft reset / restart
Press and hold for 8-10 seconds to reset the device if it has fatal errors or hang-ups, or freezes
If you know the hard reset using buttons / keys, pls leave a comment. All comments are welcome! :)