To switch Your Mobile From one network to another Network You need to Unlock it.You can get the Unlock code from here Simpleunlocking.com/supported-phones/rs16wp7/ and Unlock it...Then use the Fido Network Sim card in the Phone.If you need to use same sim means you can call the Fido is there any option available to use the fido Plan in Rogers Sim card...It's come under mobile number Compatibility.This belongs to network provider call the provider....