Some users confuse the with the MF65+ (4G version). Look at your device label:
The ZTE MF65M is a 3G-only mobile hotspot that cannot be upgraded to 4G LTE through software, as it lacks the necessary physical radio hardware. While the device cannot be upgraded, users can maximize 3G performance by updating firmware, unlocking it for different carriers, and optimizing its positioning. Why upgrade from 3G to 4G LTE? How do I update the firmware on my ZTE MF65M and why? zte mf65m upgrade to 4g
Before you spend hours searching for upgrade files or contacting tech support, let's look at the hard facts about this specific device and what your actual options are. ⚡ The Short Answer: No The ZTE MF65M cannot be upgraded to 4G LTE. Some users confuse the with the MF65+ (4G version)
Stop looking for "4G upgrade files" for this device online! Those files are often scams or malware that can ruin your computer or brick your router. To get 4G speeds, it is officially time to retire your MF65M and invest in a modern 4G LTE hotspot. Why upgrade from 3G to 4G LTE