Resolved issues related to device overheating and random reboots under heavy traffic load. How to Check and Update ZTE MC801A Firmware
In general, . While 2021 firmware stabilized the core functionality of the hardware, newer firmware versions patch critical security exploits, improve compatibility with newer 5G standalone (SA) tower deployments, and offer better management of Wi-Fi 6 networks. However, if your current firmware allows open band locking and a newer update restricts it, many advanced users choose to stay on their stable legacy version.
Before searching for a 2021 firmware file, you must identify your current software version: Connect to your router via Wi-Fi or Ethernet. Open a browser and go to (default IP).
Updating your router is generally straightforward, but manual options exist for advanced users. zte mc801a firmware 2021
When the MC801A first launched in late 2020, it was plagued by "teething problems." Early adopters reported:
On the first evening, as the sky bled violet, the little system began. The MC801A booted, spat its log, and—through a filter Mara had written—produced a single line: "Link established: 06:13:42." A mechanical, indifferent sentence that felt like sunrise. Mara wrote it down. She added a date. Later that week, the device offered "Retry 3/5: successful." A week later: "Session closed gently at 23:59:03."
ZTE's official discontinuation of the MC801A product line in August 2021 marked a turning point, placing the onus on carriers and advanced users to manage their own firmware futures. Despite this, the MC801A remains a relevant piece of 5G history, and understanding its 2021 firmware landscape provides essential context for anyone still using or considering this device today. Resolved issues related to device overheating and random
The core code written for the device during this era determines exactly how the hardware communicates with local cellular towers. When properly configured on a 2021-era framework, users can expect stable parameters across key metrics: Technical Metric Specification Performance Up to 2.8 Gbps via 5G NR sub-6GHz Network Framework Dual Mode: NSA & SA compatibility Supported 4G Bands LTE FDD B1/B3/B7/B8, TDD B40 Supported 5G Bands Sub6G: n1/n3/n5/n7/n8/n40/n78/n79 Device Load Capacity Up to 64 concurrent Wi-Fi clients Known Issues & Performance Bugs in 2021 Versions
Degrade or upgrade the firmware variant to a clean global market build, or use a customized config generator to push the bridge mode command via an uploaded XML backup file. Slow Upload Speeds on 5G NSA
By the time 2021 rolled around, user pressure mounted. Firmware updates released between January and December 2021 were not incremental—they were transformative. They addressed core stability, introduced new network toggles, and in some cases, unfortunately, removed features users loved (most notably, bridge mode). However, if your current firmware allows open band
In Finland, Elisa users progressed through multiple revisions. One user reported an issue where their device wouldn't update from MC801A_Elisa1_B06 to the newer B13, despite both automatic and manual update attempts failing. Another user noted having version , which, despite being from 2021, had seen newer releases in 2023, indicating the continued evolution of the firmware past 2021.
Sub-optimal 2021 modem configuration for Uplink MIMO.