90% from the games i have installed on my device - nokia 710 can`t connect with the xbox live. Actually i can connect only pool pro online, NFS undercover and Gun bros. Other games dont want to make connection. What would be the solution ?

[dxdy]

only full unlocked (custom) ROM's have support for XBL games...

with developer (chevron) or interop unlock most of XBL games not work...

Microsoft is the "host" of most of the servers needed for any game to access XBL and they are not very nice in regulating their servers many older games simply don't have support anymore for online play