The direction of 'USIM' I have no choice about phone. As you said, I think about bus phone, But I really hate it when I should contract the telecom for two years. So I had found a extra phone by someone. Finally I found it by my friend. He have a extra phone. The phone model is 'W'. It's a old model but not so bed to use. Even It's better than mine. And I give you important tip to use another phone. Maybe you know better about 'USIM'. And you know that it makes died phone new life. But you remember it. Your 'USIM' put in the phone as well as you need to two reboot for use phone.