The ZTE MC801A is one of the most popular 5G CPE (Customer Premises Equipment) units, widely used by carriers like Three UK, A1, and various European ISPs. The year 2021 was a pivotal time for this device, marking the transition from early, unstable 5G implementations to mature, high-performance software.
Recommendation: Most experts advise against downgrading due to security risks (CVE-2021-26728). Instead, live with Double NAT or switch to a different 5G modem. zte mc801a firmware 2021
2021 was the year ZTE addressed these complaints head-on. ZTE MC801A Firmware (2021): The Transition to 5G
ZTE MC801A Firmware 2021 Updates
) managed their own firmware branches, leading to a fragmented experience. Early Versions (B09): Many users reported that versions like Instead, live with Double NAT or switch to
Towards the end of 2021, ZTE rolled out firmware version B15. This was a significant stability patch.