If you have followed this entire guide and the device still shows a yellow exclamation mark, the internal firmware may be corrupted. In that case, search for "ZTE MF180 firmware repair tool" – but that is a topic for a separate, advanced article. For 99% of users, the driver solutions above will restore full internet connectivity.
Plug the modem directly into a USB port on your motherboard (back of the desktop) rather than a USB hub or front-facing port. zte mf180 driver
To help troubleshoot further, let me know your (e.g., Windows 10, Windows 11, Mac). I can also provide instructions for a specific mobile carrier if your connection dashboard requires a unique APN setup. Share public link If you have followed this entire guide and