Lighting can be difficult especially when taking a passport photo at home. Many people often stand against the wall to take their photo. This can create a strong shadow, which may cause your passport application to be rejected.
Try the following tips to reduce shadows:
1. Step away from the wall. The shadow may be reduced or disappear behind you (where the camera won't see it).
2. Use a flashlight app on a second phone to fill in dark areas. You may need a friend to help you. Be careful not to create a new shadow by shining the flashlight on the phone which is taking the photo.
3. If that still doesn't do it, read this for