If you want to use Rogers network on your Blackberry Storm phone means,your phone should be unlocked one.If it's locked by particular network carrier,you will need to unlock your phone to put your own carrier.For unlocking you can approach your service provider or else try to buy an unlocking service from any one of the online unlocking service provider like Unlocking4U.com Here you can unlock your phone at low cost.I hope it will be very useful to you.