all i can suggest is ebay or amazon. without insurance, phone companies dont really care about broken phones. hopefully you will be able to find a good price for another/ better t-mobile phone.
no they cant read personal text messages (thank god) the most they can do is monitor how many texts you send and when you send them. if anything you'd get in trouble for sending messages during school hours rather than what sent in your text but i dont think taht would be a problem
if you say it has bluetooth bulit in you probably wont have to download anything from the website. go to control panel and look throught both the classic view and regialr menus to see anything that may say bluetooth. if you find it click on the icon, switch the bluetooth on both your phone and...