Operating system and desktop manager 4.1
select 7100g https://www.blackberry.com/Downloads...fcee3b3e4212TR BBtoday
Google Local UPDATED! Blackberry Killer Software & Utilities Thread BlackBerry TCP/IP Configuration
T-Mobile - Has TCP/IP
Go to Options->TCP (or Tools->TCP)
Password: (blank) BlackBerry Internet - MSN/chat/web/telnet/TCPIP - No BES!
Also call tmobile after 14 days of trial period for unlock the phone, just tell them you will be using the phone on another country with the pre-paid sim card.
BTW, how did you get it for $89?