Alcatel A Can Anyone Hlp Me Unlock An Alcatel Crystal Mobile Phone?

Can anyone hlp me unlock an alcatel crystal mobile phone? - alcatel a

He got a new phone on Thursday. He is currently on the T-Mobile's network, but we want to stay with O2. A was from Tesco, which will be released will cost me £ 25 that it can not afford. After a s look at the web that does not give advice on glass Alcatel. I hope someone can help.