t-mobile's t-zones on the unlocked Motorola SLVR L7

You will need a t-mobile account/SIM card for this.

Create a new entry for web sessions.

menu -> Web Access -> Web Sessions -> [New Entry]

Name: t-zones
Homepage: http://wap.myvoicestream.com
Service Type 1: HTTP
Proxy 1: 216.155.165.50
Port 1: 8080
GPRS APN: wap.voicestream.com

Leave the rest of the settings as default, no need for usernames or passwords.

Name this the default Web Session and the Carrier Key/Button on the right hand side of the phone will not launch t-zones.