Rumors of two Samsung devices got conflated - the G8850 with dual cameras and what eventually became the Galaxy S Light Luxury (aka S8 Lite). G8850 rumors have been revitalized with this short hands-on video and its purported name is "Galaxy A9 Star". Note that the S Light Luxury was rumored as the A8 Star at one point. Anyway, according to TENAA, the phone packs a 6.28" AMOLED screen with 1,080 x 2,220 px resolution (note that TENAA updated the specs since they were initially published). It comes with a large 3,700 mAh battery and will have slightly different dimensions than the Galaxy...
Source: https://www.gsmarena.com/samsung_galaxy_a9_star_g8850_shows_up_in_quick_handson_video-news-31320.php