Just checked the acer support site and the following was reported regarding the wifi issue some had after updating to 3.1 What can I do if I am unable to connect via WiFi after completing an A500 system update? You may experience problems connecting to WiFi after updating to software build 4.010.08 (USA) or 4.010.22 (Canada). This problem was resolved in software build 4.010.10 (USA) and 4.010.38 (Canada). To resolve this problem, install the latest system update for the tablet. I can confirm that at least for me the 3.1 update did not cause any issues with the tab connecting to my wifi.