The problem with running calibration with too much lighting is that they can skew the readings and therefore affect the resulting calibrated brightness levels. It probably goes without saying but ...
Tap on "Auto-Brightness" so that the setting slides ... This will allow your iPhone to self-calibrate and automatically adjust to ambient light conditions. However, if auto-adjusting has been ...
Should I be concerned that mini-LED would be too bright for my room? I don’t want to keep adjusting the brightness settings to keep from having to wear sunglasses to watch football games.