For a Government ID:
Make sure the text on the ID is clear and readable
Make sure the photo of your face on the ID is visible
Reduce glare by moving away from direct light
Make sure the ID is not cutoff or obstructed by your finger
Make sure the image is not blurry
Try another ID document type if available
For a Selfie Video:
Take off your glasses
Reduce glare by moving away from direct light
Make sure your face is visible and well lit
Make sure you turn your face left and right