: Check the D-Color official website first. They occasionally keep a repository of software updates for their receivers.
: Fixing stretched or squashed images on modern TVs.
Installing firmware meant for a different processor or tuner chip can "brick" your device, rendering it unusable. How to Update via USB If your device still turns on and you can access the menu: to FAT32. Copy the .bin file to the root directory of the drive.
Do not turn off the power until the progress bar reaches 100% and the device reboots. Common Issues Fixed by Firmware
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.
Before you download anything, open your device (if it's out of warranty) or look through the vent holes. You need to match the firmware to the Mainboard ID (e.g., T2_M3821_DAKE_REV1.0 ).
and go to Menu > System > Software Update > USB Upgrade .
