Updating the firmware improves device stability, security, and performance. Most updates are handled through the router’s web interface by uploading a specific .bin or .zip file obtained from the manufacturer. 🛠️ Prerequisites

Method 1: Automatic Update (Recommended)

Most modern ZLT P21 routers are set to update automatically by default. If you haven't changed settings, your router may already be up to date.

Click Browse or Choose File to select the firmware .bin or .zip file from your computer. Click Update or Install. Wait for Completion:

Method 2: Using a Computer and a USB Cable