Starting at least with iPhone OS 3.1, possibly earlier, you can choose whether your device auto-joins some WiFi networks. I don’t see this option for my home network, but I caught it on the AT&T WiFi hotspot offered at Starbucks.
Starting at least with iPhone OS 3.1, possibly earlier, you can choose whether your device auto-joins some WiFi networks. I don’t see this option for my home network, but I caught it on the AT&T WiFi hotspot offered at Starbucks.