1509 Dvbt2 512m Firmware Update Exclusive |work| File

Standard firmware updates are generic. The available through this guide has been modded/optimized with features you won't find in the factory release:

You may be trying to install a 1GB file on a 512M board. Double-check your chipset version. 1509 dvbt2 512m firmware update exclusive

For users in Berlin, Munich, or Cologne (where signal modulation is complex), the EXCL_DE_1509_512M_MT7642 build is optimized for 64-QAM and 256-QAM unstable signals. Standard firmware updates are generic