Go to Advanced > System Tools > Backup & Restore and click "Backup" to save your current configuration.

If your router was provided directly by an ISP (like ACT Fibernet or BSNL), you may need to contact them for updates, as generic TP-Link firmware might not be compatible. Step 1: Download the Official Firmware

It is recommended to unplug the internet (WAN) cable from the router during the update to prevent interruptions. Step 3: Flash the Firmware Download for Archer C5 | TP-Link India

Updating your firmware is essential for maintaining a secure and stable internet connection in India. This guide covers how to safely download and install the latest official firmware. Important: Identifying Your Version

Always download firmware from the official . Select V4 from the hardware version dropdown menu. Navigate to the Firmware tab.

Look at the sticker on the bottom of your router for the model number and hardware version (e.g., "Archer C5 Ver: 4.0").

Do not update via Wi-Fi. Connect your computer to the router using an Ethernet cable to prevent data loss during the process.

Download the latest available build (e.g., Build 190815 or newer).