The Xiaomi 14 Ultra boasts an impressive display panel, but its potential is constrained by its brightness levels during regular use. Xiaomi's development team sometimes implements unconventional ideas and overlooks certain community requests.
https://xdaforums.com/t/14-ultra-mod-high-brightness-mode-unlocker.4679118/
https://xdaforums.com/t/14-ultra-mod-high-brightness-mode-unlocker.4679118/