04-01-2009, 09:19 PM
Join Date: Oct 2005
Carrier: AT&T US
Post Thanks: 131
Thanked 270 Times in 245 Posts
You will need a BlackBerry data plan in each country in which you intend to roam. Further, you will need to add all accounts from which you collect mail to these new BIS accounts.
Also, no maps are stored on the device, so there will be charges if you roam with your T-Mobile UK SIM card.
Also, they can differentiate your traffic.
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