Use Night mode if available
Use a tripod or keep the iPhone very steady
Clean the camera lens
Turn off flash
Turn off Live Photos
Set exposure lower if the aurora is too bright
Tap and hold to lock focus and exposure
Use the rear camera, not the selfie camera
Use the widest lens available
Keep the phone still for the full exposure
Use a remote shutter, timer, or volume button
Turn on grid lines for better framing
Shoot in dark areas away from city lights
Keep the battery warm and charged
Use a camera app with manual controls if needed
Take multiple shots with different settings
Edit brightness, contrast, and color afterward