If you are still having trouble, it is recommended to contact your ISP, as some providers lock their devices and only allow updates through their own network.

Your router is branded by a carrier that has discontinued firmware support, or it belongs to a different regional update server.

Multiple users on the Three UK community forum reported that their router could no longer hand off a WAN DHCP address after a forced update to firmware B12, effectively breaking bridge mode and making their home network setup non-functional. A user later discovered that creating a in the settings could resolve this issue. The solution was to go to Settings → Connection Settings → APN , add a new APN with PDP Type: IPv4 and APN: 3internet , and set it as default before rebooting.

ZTE MC801A Firmware Update Guide: Boost Your 5G Router Performance

On Windows, go to > Change adapter settings . Right-click your Ethernet adapter and select Properties . Double-click Internet Protocol Version 4 (TCP/IPv4) .

If your router is bricked (won't boot, power light flashing red), you need the TFTP recovery method. This is advanced.

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Navigate to > Update or look at the Device Information tab on the main dashboard.

Only use unofficial updates if you have a second backup router and are comfortable with Qualcomm’s QPST tools. For 99% of users, stick with official carrier-approved updates.

What this means for you is that your specific update path is determined by your carrier, not by a single manufacturer timeline. Now, let's look at what these updates actually bring.

There are three primary methods, depending on whether your carrier supports OTA updates.

The most significant change in recent updates is the improvement regarding .