got my blackberry 7100t a couple of days ag on t-mobile (uk) and as of yet i haven't been able to get onto the internet. the message am gettin is
'Your Device does not currently have any Browser Configuration Service Book Entries.
Please contact your service provider to enable the Browser your device'

i have phoned t-mobile many times but they have yet to fix this problem 4 me. can anyone help me please!!

You should log into your BB account on your computer and select the option to send service books.

try doing a register now as well
also call T-Mobile back and confirm that they have enabled your account to be able to use the net