Originally Posted by NJBlackBerry
Pop out the battery.
If necessary, go into Option and fine the Network setting. Select "Manual", Scan for networks and select the appropriate network.
I have to do this when I am using my 8700c on Cingular in Dublin. O2 works great on GRPS, but when I want to send a SMS it does not work through O2 and I need to switch to Meteor.
The Cingular tech support person told me that I need to validate the carrier agreements for international locations and select the appropriate carrier for support from the Cingular site.