If you are looking for specific configuration options, you can also see how to Configure ZLT P21 .
Fixes known vulnerabilities that could expose your data to hackers.
power off the device during this 3–5 minute process, as it could permanently damage (brick) the router. Important Precautions Backup Settings
Firmware updates often include optimizations for the internal modems. This allows your ZLT P21 to connect to local cell towers more efficiently, resulting in lower ping times, higher download speeds, and better bandwidth allocation across connected devices. 🔒 Enhanced Security Patches