To see exactly why this device is locked to older technology, look at how its specifications compare to modern 4G standards: ZTE MF65M Capability 4G LTE Standard Requirement 2G and 3G only 4G LTE (with 3G/2G fallback) Supported Bands HSPA+/HSUPA/HSDPA/UMTS (850/1900/2100MHz) LTE Bands (e.g., Band 1, 3, 5, 7, 20, 28, 40) Maximum Download Speed Up to 21.6 Mbps (Theoretical 3G max) 150 Mbps to 1 Gbps+ (Category dependent) Maximum Upload Speed Up to 5.76 Mbps
will not work . The best upgrade path in 2026 is to purchase a modern, inexpensive 4G LTE portable router.