Originally Posted by Larry L
Has anyone purchased an at&t 8310 curve and sucessfully unlocked it and used it with T-mobile serve with all the features?
Yes, done it several times (for people who chose GPS over WiFi and wanted a Curve).
The problem lies within T-Mobile's provisioning system. No Services means that their network is not recognizing your BlackBerry and is not sending down the correct software ("Service Books") to enable BlackBerry Services.