Want to control a friend's cell phone remotely and make free calls from it? In this hack how-to video, you'll learn how to hack Bluetooth-enabled cell phones with your Sony Ericsson or Nokia phone and the Super Bluetooth Hack—or BT Info—, a free program easily found through Google.ndeed, with this hack you can do any and all of the following things on your friend's mobile phone: make calls; read SMS messages & contacts; change the phone's default profile; play ringtones (even if phone is on silent); play songs; restart; shut the phone off; restore factory settings; and. change the ring volume.