, they explicitly state that a . Some routers may display "V5" in their web-based management interface, but the manufacturer instructs users to check the physical label on the bottom of the device to find the correct hardware version for firmware updates. Official Firmware Status Go to product viewer dialog for this item.
(unmaintained for this model):
You can download the latest firmware for your TP-Link WR340G V5 router from the official TP-Link website: [insert link] tp-link wr340g v5 firmware download