There is currently no official hardware version V5 firmware available for the TL-WR340G router TP-Link Download Center
Is it worth it? If you need a stable 54Mbps router for a guest network, a retro LAN party, or a legacy device (like an old printer or IP camera), yes. If you expect 2025 performance, no. tp-link wr340g v5 firmware download
The latest firmware for v5 was released around 2012–2014. Do not flash firmware intended for v1/v2/v3/v4 – it will brick your router. There is currently no official hardware version V5
TL-WR340Gv5_we.bin or wr340g_v5-up-150718.binf3a6e8e9d1c4b5a6f7e8d9c0b1a2e3f4 (Generic example – verify via community forums)192.168.1.2, mask 255.255.255.0: