Screen Brightness Test: iPhone 13 Pro Max vs iPhone 12 Pro Max - YouTube
How to Change Brightness Level on iPhone 13 Pro – Display Settings - YouTube
iPhone's Auto-Brightness Is Driving You Crazy? Here's a Couple of Fixes to Try - CNET
iPhone Too Bright at Night? Don't Just Use the Brightness Slider « iOS & iPhone :: Gadget Hacks
Why is my iPhone 11 (left) so much brighter than my iPhone 13 (right)? Both at max brightness, tru tone and night shift disabled. Got the 11 from work and the difference
Comparing the Screen Brightness and Sharpness Between iPhone 13 Pro Vs iPhone 12 Pro - YouTube