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
The official teXet support page provides several software versions and necessary drivers: skachat proshivku dlia tekset 4072
Ensure you install the MediaTek VCOM drivers first. If using Windows 8 or 10, you may need to disable driver signature enforcement . Always perform a backup of your current system
Download (270.32 MB) . Official Firmware Update (15.11.2013): Download Page. Windows XP/7 Drivers: Download (0.8 MB). Alternative and Custom Firmwares skachat proshivku dlia tekset 4072
Detailed instructions and stock ROMs are available on the teXet TM-4072 4PDA Forum .
Versions like MIUI v5 (Android 4.2.2) can be found in the teXet TM-4072 Custom ROMs thread . Brief Installation Tips