Enter your administrator credentials. Common default credentials for ZTE devices are Navigate to Maintenance: Management & Diagnosis Maintenance Firmware Upgrade: Look for the Firmware Upgrade System Update Upload and Update: Select your local firmware file and click Do not power off the device during this process, as it can "brick" the router. Technical Research
Select the validated firmware file downloaded from your ISP support portal.
Most ISPs push firmware updates automatically. However, you can force a check. zxhn h267a v10 firmware update top
: 2x FXS Phone ports supporting SIP protocols Manufacturer Lifecycle Status: End of Support (EOS) According to the official ZTE Support Portal
| Question | Answer | | :--- | :--- | | Can I manually download and update the firmware? | No. Official firmware is not publicly available. Updates are controlled and pushed by your ISP. | | Is my ZXHN H267A still supported by ZTE? | No. ZTE ended all services for this model on October 31, 2022. | | Is it safe to keep using this router? | It's increasingly risky, as it's no longer receiving security patches for known vulnerabilities like CVE-2026-34473. Replacing it is strongly recommended. | | What is the default IP and login for my router? | The default IP address is 192.168.1.1 . The default username and password are both admin . | Enter your administrator credentials
Users report random Wi-Fi drops, latency spikes, or reduced range on older firmware. Updates optimize the Wi-Fi chipset drivers, especially for 2.4 GHz and 5 GHz dual-band operation.
Because the H267A has reached its EOS, it is vulnerable to known security issues that will never be officially fixed. One critical example is: Most ISPs push firmware updates automatically
Resolves vulnerabilities that could expose your router dashboard or DNS settings to external attacks.
Firmware is the internal software that makes your router work. Updating it can fix bugs, patch security holes, improve performance, and sometimes even unlock new features.