How to update:
1.Delete all the files and folders in the tf card(suggest:8G/16G).
2.Download the firmware to sd card .
3.Put the sd card into camere(make sure battery > 50%).
4.Power on the camera and it will update firmware automatically.
5.When updating, the LED will flash it takes about one minutes, Don't power off when updating, or it will....die.
6.When update finish, the camera will turn on again.