Samsung I8520 Galaxy Beam Android hard reset
Try Samsung Kies software to upgrade Samsung GT-i8520 firmware
Use this method to hard reset your Samsung I8520 Galaxy Beam Android 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.