Sign up for your carrier’s device notification emails. Many only release 1–2 firmware updates for the MF297D over its lifetime, as it is a mature product.
To update the software (firmware) on a (often used as a 4G USB modem or mobile hotspot), here is the solid, actionable piece of guidance: update software in zte mf297d
Carriers rarely publish detailed changelogs, but common improvements include: Sign up for your carrier’s device notification emails
Here is a comprehensive guide on how to update the software on your ZTE MF297D. here is the solid
The router will reboot. Do not power off or disconnect during the 2–5 minutes this takes.
