Sometimes, manually entering your carrier’s APN (Access Point Name) can improve latency and stability. Go to > APN . Switch from "Auto" to "Manual."
Trying to "flash" 4G firmware onto a 3G device will likely "brick" (permanently break) your hotspot. Why You Might See "4G" Claims Online
Unfortunately, there is a significant hardware reality you must understand before attempting any software changes. The Hardware Reality: Can You Upgrade to 4G? zte mf65m upgrade to 4g
Requires a different physical antenna and an LTE-capable chipset.
If 3G speeds (maxing out around 21 Mbps) are too slow for your needs, it is time to move to an LTE device. ZTE offers several direct 4G successors that provide much higher speeds and better battery life: Why You Might See "4G" Claims Online Unfortunately,
A reliable, budget-friendly 4G LTE mobile hotspot.
Most "upgrade" files are actually "unlock" files. Unlocking allows you to use SIM cards from different carriers, which might provide a better 3G signal, but it still won't give you 4G LTE. How to Get the Best Possible Speed on Your MF65M If 3G speeds (maxing out around 21 Mbps)
If you search for "ZTE MF65M 4G upgrade," you will find many videos and files claiming to unlock 4G speeds. Here is the truth behind those claims: 1. The HSPA+ Confusion
Enter the specific APN details provided by your mobile provider. Optimize Placement 3G signals are sensitive to physical barriers. Place the device near a window.
Software updates can fix bugs, but they cannot change physical hardware capabilities.