No. ZTE does not provide direct unlock firmware to end users. Carriers control the locking mechanism. However, ZTE does release (e.g., MF283UV1.0.0B30). Installing an official carrier firmware will re-lock your device if it’s branded.
: This is the most reliable method that does not void your warranty or risk bricking the device. Obtain your 15-digit IMEI number (usually found on the device label or by dialing in the dashboard settings). Purchase an unlock code from reputable providers like Sim-Unlock.net DirectUnlocks zte mf283u unlock firmware new
If your goal in searching for "new firmware" is to update the router's software rather than just unlock it, proceed with caution. ZTE does release (e.g.