Why can't Huawei mt7 delay photography?

Mate7 supports time-lapse photography, and the startup steps are as follows:

1. Open Camera and select Time-lapse Photography to enable this mode.

2. Hold the phone steady and click ""to start recording. If the shooting time is long, it is recommended to use a tripod.

Note: The recording speed is automatically selected by the camera according to the recording duration, but manual adjustment is not supported. The recording process also does not support focus adjustment.

3. Click ""to end recording.

4. Click the thumbnail to enjoy the recorded video, which will be played at high speed. The playback speed is the preset value of the camera and cannot be adjusted.