You will need the admin IP (usually 192.168.0.1 or 192.168.1.1 ) and the admin password, typically found on the sticker at the back of the device. Method 1: Automatic Online Update (Recommended)
Unlocking advanced settings such as carrier aggregation or WPA3 support.
Resolving connection drops and improving overall Wi-Fi speed.
Use this method if the online check fails or if you have a specific firmware file provided by your ISP or the ZTE Support Center. How to Update your ZTE MF297D, How To - HardReset.info
Click the Check button under the "Check New Version" section. The router will search for the latest firmware from ZTE servers.
Regular firmware updates do more than just fix bugs; they are critical for:
Patching vulnerabilities to protect your network from unauthorized access.
Ensuring your router works seamlessly with the latest mobile network standards. Preparation Checklist
Go to Settings > Device Settings > Update Management .
If possible, save your current configuration to avoid re-entering Wi-Fi passwords and custom settings.