I have tried today the firmware for the RT-N12 D1 by Lantisproject.
http://lantisproject.com/gargoyle_custo ... uashfs.trx
Firmware upgrade works smooth with ASUS Firmware Restoration Program. After Resetting the WAN and LAN side works fine, but NO WiFi.
And at the Main screen by the Connections the Router lose the settings for WAN and WLAN.
Is there a newer Firmware, that can i try?