Following the PS3 sMAN updates, here's a PS3 PRO MOD for PlayStation 3 version 4.81 / 4.82 Firmware by @LuanTeles complete with a demonstration video from his YouTube Channel below. (y)
Download: PS3 4K PRO (PT-BR).pkg (231.9 MB) / PS3 4K PRO (EN-US).pkg (231.95 MB)
From the video's caption...