ContribucionesMost RecentMost LikesSolutionsRe: Does anyone know how to disable SMS 2 Factor Authentication? T-Mobile doesn't do security, they do security theater. They are not serious about real security. Re: Not Receiving calls and delayed text messages Same issues here in Northern Virginia. I seenew voicemails with no call. If I make an outbound call I will get a bunch of backlogged text messages. Re: Does anyone know how to disable SMS 2 Factor Authentication? ETA on this? SMS is not secure and hasn’t been for years. Re: Why not Authy for 2FA??? The T-Mobile loginsays Google Authenticator but it actually uses the TOTP algorithm. There are many TOTP apps such as Authy and Aegis, and any of them can be used where Google Authenticator is specifically mentioned.