Since official manufacturer support for older DVB-T2 boxes can be spotty, your best bet is to look at dedicated electronics repair and community forums.
: Check the D-Color official website first. They occasionally keep a repository of software updates for their receivers. dvs 2125 skachat proshivku
: This is a massive database for technicians. You can often find "dumps" (full memory backups) for the DVS-2125 here. Note: You usually need to pass a short technical quiz to register and download. Since official manufacturer support for older DVB-T2 boxes