i bought an unlocked 7100t from tigerdirect and wanted to use on a local gsm proviedor in madison wi - einstein. sim works for voice but not data was using the sim in a treo 650 and web email work. is there any way for the blackberry to work on their network i have the apn wap and mms acivated for treo. i should have checked theis forum before buying thanks

short answer is "no". You will need to subscribe to a BlackBerry data plan to use any wireless data/internet applications.

thanks for the prompt reply.