Samsung started rolling out One UI 8 yesterday , kicking things off with the Galaxy S25 series. Luckily, a Samsung Community moderator in Korea shared the rollout timeline, and that gives us a clearer picture. September: S25 series firstThis month is all about the Galaxy S25 models. Galaxy S25Galaxy S25+Galaxy S25 UltraGalaxy S25 EdgeOctober: most recent flagships and tabletsOctober is when the bulk of devices get it. Think Galaxy S24 phones, last year’s S23 line, and the S22 series (yes, even some older phones are included).