The HEVC support alone is a lifesaver for installers working with 4K feeds or sports backhauls. Just remember to back up your current satellite channel list before updating, as the flash will wipe your memory.
The Satlink ST-5150 features:
Ensures hardware decoding for H.265/HEVC (8-bit) remains stable for high-definition channels. Updated Satellite Lists: satlink st5150 firmware new