1, first enter the mobile phone camera to take a selfie and get the original picture, as shown below.
2. Then enter the photo album and browse the photos you just took among all the photos, as shown below.
3. Select the photos with reversal effect from the selfie, click to open the editing mode, and click the crop button below to adjust the photos.
4. Slide the angle ruler below the photo, rotate the picture, save the picture after adjustment, and the problem will be solved.