Samsung T819 hard resetMaster reset
Note: A master reset restores the original factory settings and can erase all downloaded content, including ringtones, camera images, contacts stored in the handset memory, and Java™ applications. It does not erase data stored on the SIM card or memory card (if available). Back up all necessary data on the handset memory before proceeding.
To perform a master reset via the menu:
From the main screen, select Menu.
Scroll to and select Settings.
Scroll to and select Reset settings.
Press the OK key to select the All check box.
Enter the password.
Note: The default password is 00000000 (8 zeroes).
Use this method to hard reset your Samsung T819 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.
If you know the hard reset using buttons / keys, pls leave a comment. All comments are welcome! :)