1. The size of the photo is related to the resolution of the camera. The higher the resolution, the larger the photo. You can try changing the resolution.
EMUI 2.0/2.3: Enter the camera viewing interface, click to switch to the "Photo" tab, and then click "Resolution" to change the resolution setting, and then you can adjust the photo size. As shown in the figure below:
EMUI 3.0/3. 1/4.0: enter the camera viewing interface, click, and then click "Settings >"; Resolution ",change the resolution setting.
2. Open the photographed photos through the Gallery or other third-party applications, and you can also change the photo size by trimming the photos.