Samsung has released an update for T-Mobile USA Galaxy S8 and S8+ units that will fix the red tint screen issue that some devices are suffering from. The update amounts to 138MB and adds the color optimization settings that help bring the red hues down in the display settings menu. There are some stability and performance improvements sprinkled into the firmware too. If you're not familiar with the problem (really?) some Galaxy S8 and S8+ devices have a reddish tint to their Super AMOLED out of the box, which Samsung claims is due to "natural variation" in screens. Still Samsung...
Source: http://www.gsmarena.com/tmobile_samsung_galaxy_s8_gets_red_tint_fix_via_update-news-24829.php
