Since a 4G upgrade isn't possible, focus on getting the best performance from the existing 3G hardware: Update Firmware : Log in to the admin page (usually 192.168.0.1 Settings > Device Settings > Update Management , and check for any official ZTE stability patches. Network Selection : In the Web UI, navigate to Settings > Network Selection and set it to
Allowing the device to work with different network SIM cards. Performance Stability: Fixing bugs. zte mf65m upgrade to 4g
If 5 people are sharing a 10 Mbps connection, everyone will experience slow speeds. Keep connections to a minimum. Since a 4G upgrade isn't possible, focus on
uses an HSPA+ chipset designed for 3G frequencies (typically 900/2100MHz) If 5 people are sharing a 10 Mbps
If 4G is a requirement, you must replace the hardware. ZTE offers several direct successors that support LTE Cat4 (up to 150 Mbps): How to set the mobile network? - Support - ZTE
If you are looking to improve your connection or transition to 4G, consider these options: How to Update your ZTE MF65, How To - HardReset.info
Ensure your SIM card supports 4G/LTE. Also, check APN: