was provided by your , it likely runs a "customized" firmware. Download for Archer C5 V4 - TP-Link
If the router behaves erratically after an upgrade, perform a factory reset. Press and hold the physical button on the back panel for 10 seconds while the device is powered on, then reconfigure your network settings.
provides updated images for the ramips/mt7620 platform used by the V4. Important Note : Using third-party firmware like OpenWrt or DD-WRT will void your warranty and may lead to device instability. OpenWrt Firmware Selector How to Update Download the correct firmware for your region and Log in to your router's web interface (usually at tplinkwifi.net Navigate to System Tools Firmware Upgrade Upload the file and wait for the router to reboot. Do not power off the device during this process. TP-Link Community specific feature
TP-Link Archer C5 V4 Latest Firmware Download & Installation Guide (2026 Exclusive)