tl;dr — Mcell firmware bug prevents iPhones 5 from receiving a 3G signal from AT&T Mcells. Deactivating and reactivating your Mcell (either yourself or by having AT&T customer service handle it for ...

American iPhone users stuck living or working in an AT&T dead zone and unable to sign up for the 3G MicroCell now have another option to try in order to boost their wireless signal: the WiEx Zboost XY ...

iPhone 3G users stuck in an AT&T dead zone at home or at work will soon be able to plug in a device that provides a strong local signal for up to 10 phones and four simultaneous voice or data ...