AT&TのSIMを挿したiPhoneは、何故自動的にAT&TのPasspoint基地局にWi-Fi接続するのかLet me jump to the conclusion. The Carrier Bundles from AT&T includes a profile to connect AT&T Wi-Fi Hotspot (Passpoint).I read some AT&T user's point in the f…

Why your iOS device with the AT&T SIM automatically join to an AT&T Wi-Fi Hotspot aka "attwifi - Passpoint" without any user settings.