Samsung Galaxy Camera hard reset
Quick RESET EK GC100: Press and hold for 6-8 seconds to reset the device if it has fatal errors or hang-ups, or freezes.
On the backsideof the Camera please select Settings → Back up and reset→ Factory data reset → Reset device→ Delete all.
Important!: Back up your important data before you perform a factory reset of the device.
While using your Android based camera device, be sure to back up important data. When disposing of your Android camera, back up all data and then reset your device to prevent misuse of your personal information.
Reset Andorid camera settings
Tap right arrow, then Settings icon to configure settings for Camera
Go to Reset: Reset the camera settings.
If the unlock code is forgotten, you have take the device to a Samsung Service Centre to reset it.