Most Blaupunkt TVs update via USB stick.
Let’s clear this up. Unlike Windows or a smartphone, you cannot simply download one universal file for all Blaupunkt TVs. Using the wrong file can actually your television.
: For specific models like the Endeavour series, sites like HardReset.info provide databases of firmware files (Flash files) that can be used to upgrade or repair the OS. How to Update Your Blaupunkt TV Method 1: Automatic Online Update (Android & Google TV)
: You must obtain the *.bin firmware file. Since these are rarely hosted on the main Blaupunkt Downloads page, you may need to contact their regional service centers.
For models that cannot connect to the internet or require a manual flash.