I didn't have experience with both networks.For choosing your cell phone network,Go to a phone shop in town and ask about both networks new plans,coverage.If you are satisfied with bell plan means swap your network.But Make sure your phone is unlocked and accept that carrier,If it's restricted by other network carrier means,You will need to unlock your phone.For unlocking you can approach your current network provider or else try to buy an unlocking service from any one of the online unlocking service provider like Unlock-Zone.com and you can get free how to enter unlock code instructions from MobileUnlockGuide.com I hope it will be very useful to you