For visual voicemail on any device your device needs at least 15 free. First you need to turn OFF your WiFi if it is ON. T Mobile Data Breach And Sim Swap Scam How To Protect Your Identity Cnet Access your mobile voicemail. Can't set up voicemail on iphone 12 t mobile . Guide for T-Mobile iPhone Voicemail Setup On T-Mobile carrier it is also possible to setup voicemail on your precious phone. Voicemail is a carrier feature and they are the ones that set it up. You dont setup voicemail yourself on the phone. Until you set up your voicemail will hear the default system greeting. Your account doesnt have a billing-related block. Youll be asked to record your name as this identifies you when you send messages to other people. If you see To retrieve a voicemail first set a password and greeting on the screen as well as a button that says Set Up Now then Visual Voicemail has not been set up on your iPhone. Call yourself and set up your voicemail. Therefore before yo...