Esto es lo que dice que lleva el archivo readme:

10 FEB 2014
SW for the RS4800S MINI ENGEL TBOSTON
ASTRA + HOTBIRD + FAV


NEWS ON THE RELEASE:

ADDED NET APPS:
- WEATHER
- PICASA
- RSS
- GOOGLE MAP

ADDED WEBTV:
- YOUTUBE
- YOUPORN
- REDTUBE
- IPTV

ADDED "TIVUSAT" SUPPORT BY SMARTCARD SLOT USING OFFICIAL CAM.

UPGRADE PROCESS:

1.- Extract .ssu file into root folder in a Flash disk device.
2.- Go to upgrade option inside menu and select .ssu file on thr right side window.
3.- Apply it selecting OK.

COMMON OPTIONS:

MENU + 7777 (server setup, IKS by default ON).
MENU , 6666 (keys setup)
YELLOW KEY (DELAY function to improve server performance, useful for SKY HOTBIRD channels).
F4 (upgrade shortcut, select SW inside USB flash disk, if many then STB will select 1st in alphabetical order).

GENERAL INFO:

There are 3 SW types you can export and import:

all --> ALL FLASH SW file (*.all.ssu)
db --> Only Database file (*.db.ssu)
app --> Only App (firmware), not database and settings (*.app.ssu).