5 ms·T-mobile is $40 per month with unlimited data, and $30 per month if you have 4+ lines.by Alex3917 8y agoT-mobile is $40 per month with unlimited data, and $30 per month if you have 4+ lines.Johnny555 8y agoThe only single line unlimited plan I see at T-Mobile is $70/month.lostmsu 8y agoYou can easily find 3 other people.