I am about to change from an (Asian) pay as yo go BlackBerry SIM card to a (European) contact SIM Card. Is there anything in particular I need to delete / modify on the BlackBerry before I change the SIM card? Like deleting service books (are they carrier specific)? Or is it simply plug and play and the BlackBerry will sort it all out by itself?
go ahead, unlocked phone can work with any sim card, what i meant by your carrier blocking your pin is that if and if only you have problem with blackberry services with your new operator than those could be because of the pin, this is not a common thing but sometimes operators/carriers do it!!!