After the router reboots:
Upgrading the TP-Link Archer C5 V4 firmware requires using an Ethernet connection, verifying the hardware version, and uploading the latest file via the admin panel at tplinkwifi.net tp-link archer c5 v4 firmware upgrade
Regular updates do more than just add new features; they are essential for your digital safety. After the router reboots: Upgrading the TP-Link Archer
Because routers sit at the network perimeter, timely firmware updates are a key part of maintaining a secure home or small-office network. verifying the hardware version
Disclaimer: This guide is for informational purposes. Ensure you follow TP-Link’s official instructions. The author is not responsible for any hardware damage resulting from improper firmware installation.
Never perform a firmware upgrade over Wi-Fi. If the connection drops, your router could become a "brick".