I found that getting my voicemail from my phone sucked up cellular data unnecessarily. Try getting voicmail with cellular data turned off. It will call the voicemail number instead of playing the recording over cellular channels. Alternatively, you can ignore voicemail.
I found that getting my voicemail from my phone sucked up cellular data unnecessarily. Try getting voicmail with cellular data turned off. It will call the voicemail number instead of playing the recording over cellular channels. Alternatively, you can ignore voicemail.