Experimental mods found in community groups (e.g., Facebook) can add features like a TX Modulation Level Meter or experimental FM Tuner support, though these carry a high risk of "bricking" the device.
: Go to Settings > Device Settings > Update Management . Check for Updates : zte mf293n firmware
Note: If your device is network-locked, simply updating the firmware usually does not unlock it. You typically need a specific "unlock firmware" or an NCK unlock code. Experimental mods found in community groups (e