is a 3G-only mobile hotspot, and it is not possible to upgrade it to 4G LTE via software or firmware updates

Here is why:

While you cannot turn your ZTE MF65M into a 4G device, you can ensure it is running the latest official firmware to stay secure and stable. If you truly need 4G speeds for streaming or gaming, your best investment is a modern LTE hotspot.

is a 3G-only mobile hotspot, and not possible to upgrade it to 4G LTE through software or firmware updates