To understand what this file contains, it helps to break down the technical jargon used in the release name:
The Thing (2011) - Blu-ray News and Reviews | High Def Digest the thing 2011 1080p bluray x264belex upd
The original release might have lacked a specific language track or a surround sound upgrade (such as upgrading from standard stereo to a 5.1 Dolby Digital or DTS track). The "[UPD]" file includes these definitive audio tracks. To understand what this file contains, it helps
To help tailor more insights for your media setup, let me know: To understand what this file contains