manual update

[KaliMalibu]

Hi,

I installed version 1.1 to my ar150 how can I now update to 2.0.2 since I can not find manual update function.
I try to hold reset and plug it in power then connect it to PC vie LAN port and set
IP 192.168.1.2
mask 255.255.255.0
GW 192.168.1.1

but when I try to open 192.168.1.1 it does not work.

Can anybody suggest me how to manualy flash new FW to ar150 which allready have pineapple FW
Thanks