hi friends myself sushanth ...i have bought one t-mobile g1 from usa which i got sim unlocked in india ...the person who unlocked my phone has assigned some email address to my g1 account...now when i want to download apps from android market it is asking password of the account which that person has assigned....i dont know his password so plz friends some one give me a solution to change that e-mail id with out loosing sim unlocking