In my case? Like magic.
Before the update, the 1509 saw 8 channels (all breaking up). After the update, it found 57 channels, including full 1080i BBC One HD and ITV HD. The "512M" buffer finally started working, eliminating the stuttering every 30 seconds. 1509 Dvb-t2 512m Firmware Update
Atomic update techniques:
If your video stutters, pixelates, or shows green artifacts on HD channels, the built-in decoder may have a bug. Newer firmware patches these codec issues. In my case
Step 1: Identify your exact PCB version. Step 2: Find the correct file
Step 2: Find the correct file.
Step 3: The Update Process (Standard Method)