Old hardware often carries the optimism of possibility: a small, proven device whispers that with effort and imagination it can be made new again. The ZTE MF65M—an affordable 3G USB modem widely sold a decade ago—embodies that impulse. Users who still own these devices sometimes wonder whether they can be pushed past their original design limits: can this MF65M be upgraded to 4G? The question is less about a single dongle and more about how we think about technological obsolescence, repairability, and what “upgrade” actually means.