Since there is no official public database, you must use community-verified sources. Here are the best places to find working links:
: Primarily focused on stability and security updates. It is often locked to a specific carrier, limiting the modem to one network and hiding advanced settings. Modified Firmware zte mf79u firmware link better
| Feature | Stock Firmware | Better Firmware | | :--- | :--- | :--- | | | Auto only | Manual lock to 1-2 bands | | Cell ID Locking | Not available | Available (Lock to nearest tower) | | AT Command Access | Restricted | Full access via COM port | | Dashboard Speed | Slow, bloated | Lite, responsive (e.g., V05 dashboard) | | Carrier Aggregation | Hidden | Visible status indicator | Since there is no official public database, you
: Go to Settings > Device Settings > Update Management . Modified Firmware | Feature | Stock Firmware |