Occasionally, TP-Link introduces user interface improvements or new network management tools. Pre-Update Checklist: Avoid Bricking Your Router
Follow these steps exactly to avoid turning your TL-WR840N into a useless paperweight. tp+link+router+firmware+update+tlwr840n+best
Before you begin, follow these safety steps to avoid "bricking" (permanently damaging) your router: ) and look for the hardware version at
Because the TL-WR840N is a legacy Wireless-N (802.11n) router operating on the 2.4GHz band only, it cannot utilize modern 5GHz speeds or Wi-Fi 5/6 features. You must only download firmware that matches this
) and look for the hardware version at the bottom of the status page or under Advanced > System > Firmware Upgrade www.tp-link.com Step 2: Download the Latest Firmware TL-WR840N V6.2 User Guide | TP-Link
Turn your router upside down. Look at the sticker on the bottom. Find the character string next to "Ver:" or "V" (e.g., Ver: 6.20 or V6). You must only download firmware that matches this exact version number.