Zte E8 User Manual page 62

3. Aim the camera at the subject and you can make the
following adjustments.
Drag the yellow square to any area on the screen

where you want the camera to meter exposure so
as to adjust the photo brightness. Touch and hold
the square to lock exposure.
Touch

overall exposure, white balance, and interval for
time lapse pictures.
4. Touch the shutter icon
to unfold the options, including ISO,
62
to take the photo.