Duo camera (Camera Features)
That means two cameras at the back of the device, one of them is the main and the other to help in focus operation by measuring the objects distance from the phone.
2560 ×1440 (Display Resolution)
1440 × 2560 (Display Resolution)
Selective Focus (Camera Features)
A feature that allows user to focus on far or near things after taking the photo as the user want.
Private Mode (Novel Features)
a mode that allows to protect privat files (photos, sounds, data) with a password. These protected files showed when this mode is activated and be hidden when it's not.