This method is used when you have downloaded a specific firmware file (often with a .uImage extension) from the ZTE Support Portal or a provided manufacturer link.
Upgrading the firmware on your 3G wireless router is a critical maintenance task that can improve connection stability, fix security vulnerabilities, and sometimes unlock compatibility with newer 3G USB modems. Preparing for the Upgrade
: Connect the router to a reliable power source. Do not attempt an upgrade during a storm or when power might be interrupted.
using two primary methods: the automatic online check or a manual offline upload.
: Click Apply or Upload . A confirmation box may appear; click OK . The process usually takes about 2 minutes . Do NOT turn off the router until it reboots completely. Method 2: Automatic Online Update
: Click Choose File and select the firmware update file you previously saved to your computer.
: Look for the Firmware Update or Management option on the left-side menu.
: Open a web browser and enter the default IP address 192.168.0.1 . Log in using the default credentials: Username: admin / Password: admin .