I applied the Chaos Calmer OpenWRT firmware upgrade on the TP Link WDR4300 router. Very important to note that if you already use OpenWRT on the router, install the sysupgrade and not the factory binary firmware file. Use factory only when upgrading from the factory TP Link firmware. For first time install use this file … Continue reading Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer →