Account Features

Hi I have a question about the visual voicemail app not working on my s21. The last time it worked was around the 14th of this month and since then I have to actually call to hear the actual messages plus the last few messages that I have been left don't even show on the app. Can someone offer assis

I bought a new chip with an unlimited plan but it didn't work immediately on my Android smartphone in Brazil, the seller asked me to wait 1

I'm trying to look up a phone number. The automated system keeps getting the name wrong. I've been unable to reach a live person. I followed the instructions to dial 00 and say operator at the prompt but it doesn't work.