My custom skin pack in XBOX ONE (finally!!) Yea, just already found the evidence on how to add the custom skins to the exact console that I've been waited for long enough!
Mirror's Edge, Killer Instinct & Trials Fusion Skins Coming to Minecraft: Xbox 360 Edition | XboxAchievements.com
How to change skins in Minecraft
Minecraft xbox 360 - How To Get Custom Skins - Make your own skin - YouTube
Minecraft XBOX ONE/PS4 Skin Creator UPDATE! - YouTube
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Doctor Who skin packs for Minecraft Xbox 360 start dripping next month | VG247
Minecraft for Xbox 360 Gets Free Birthday Skin Pack, Premium Battle & Beasts One