Nokia Lumia 900 and Lumia 710 have some great features that you had to know about, it will enhance your phone experience. You can take a photo without unlocking your phone.

You want to take a photo quickly by taking the phone out of your pocket and just pressing a key.

When your Lumia is locked and the screen is dark.

Press and hold the camera button.

After a brief second, the phone app will come up.

It lets you shoot the photos you needed.

Note

This functionality will work in Nokia Lumia 710 also.