: Click Check to see if a new version is available. If found, select Apply to download and install it.
Before you begin, ensure you have the following:
: A Windows PC (7, 8, or 10), a USB Type-C cable, and the official ZTE Software Update Tool . Basic Steps : Install the required ZTE drivers on your PC. zte mc801a firmware flash
The "B" number (e.g., B04, B05, B15) refers to the specific firmware version. For example, BD_UKH3GMC801AV1.0.0B15 is a firmware for the Three UK variant. Firmware compatibility is critical; flashing firmware intended for a different model or region may lead to loss of service or permanent damage to the device. For instance, there are reports of users inadvertently updating to a global version that permanently disabled their service.
Once the connection is stable, click to begin the process. 3. Custom Firmware and Recovery : Click Check to see if a new version is available
Newer firmware versions often contain modem updates that enhance 5G/4G signal reception, speed, and stability.
Bricking is a real possibility when flashing the MC801A. Here's how to try to recover: Basic Steps : Install the required ZTE drivers on your PC
: Connect the router to your PC using both a USB Type-C cable and a standard Ethernet cable . Procedure : Run the update tool as an administrator .
On the bottom or back of the MC801A (hidden under stickers or rubber pads on certain sub-models), there are hidden test points. For most users, holding down the Reset button while plugging in the USB-C and power cable forces the device into a temporary USB boot mode.