You can download the official firmware for the directly from the official teXet support site or community forums like 4PDA. Official Download Links
Detailed instructions and stock ROMs are available on the teXet TM-4072 4PDA Forum . skachat proshivku dlia tekset 4072
Always perform a backup of your current system and IMEI before flashing, as the process may involve a factory reset . teXet TM-4072 - Прошивка MIUI v5 (OS 4.2.2) - 4PDA You can download the official firmware for the
Versions like MIUI v5 (Android 4.2.2) can be found in the teXet TM-4072 Custom ROMs thread . Brief Installation Tips teXet TM-4072 - Прошивка MIUI v5 (OS 4
If you are looking for custom ROMs or older versions archived by the community, is the primary resource for this device:
The official teXet support page provides several software versions and necessary drivers: