Samsung i70 Service Manual page 39

Ⅲ. ADJUSTMENT
3. Press the 4 function button as following order. (Left → Right → Down → Fn button)
5. "Firmware Upgrading... i70_07_03_25_6_PR' message will display for about 1 sec.
And then the firmware will be upgraded during about 30sec
6. After upgrading the firmware, the camera will be turned off automatically.
7. Turn on the camera and do the 'Reset' menu in the Setup.
39