For test i use:
1 -> YOUKU YK1 firmware
I have a good infos for the lan / wan switch but i have only power led alight no lan wifi usb ...
2 -> Lenovo NewWifi Y1S
i have WIFI and lan/wan leds ok , but USB without USB key alight
also not good infos for the switch ( lan 5 exist with only 4 * lan !!! ) and for lan the ports are inverted
for switch : lan 1 i have wan , lan 2 ( lan1 ) , lan3 ( lan2 ) , lan 4 ( lan3 )
, wan ( not infos )
lan leds are ok
3 -> Lenovo NewWifi Y1 also some problems
Question : What is the good openwrt firmware ?