E71 supports Wifi. Hence, I use Wifi to access internet from E71 at home and office. It is fast and saves money as well as I have unlimited data plan.
To keep my Wifi access point safe and avoid misuse I have enabled MAC address filtering. I forgot that and when I tried to access net for the first time from my mobile I got error "Web: Gateway no reply". I initially thought it is due to some problem with the site or my ISP gateway. Later I realized that it is because of MAC address filtering rule at I added to my access point.
The question is how to find MAC address of your E71. The answer is key in following sequence on the homescreen:
I would encourage all to enable MAC address filtering to safeguard your homenetwork and keep hackers at bay.