https://m.gsmarena.com/apple_iphone_11_pro_max-review-1991p3.php
The XDR stands for eXtreme Dynamic Range, which is what Apple calls its advancements in HDR. Basically, the new screens are brighter at 800 nits and when necessary they can light up to 1200 nits.
同埋點會只有兩格呀,你係咪部機太熱比佢自動較暗咋