He dove back into the forums. The ZTE MF286 had a curse: multiple hardware revisions. He had the (Qualcomm MDM9230), but he’d flashed the firmware for the MF286A (Intel XMM7560). A silent killer. Same name, different anatomy.
Keeping your firmware up to date isn't just about getting new features; it's about maintaining a reliable and secure network. Zte Mf286 Firmware
Updating or replacing the firmware can: