If a network locks your handset, it will only work with the provider from whom you purchased it until the contract expires. You will specifically have to ask your network carrier to unlock your phone after the due course is complete. To find out if a network locks your phone, simply try inserting a SIM card from another carrier. If the SIM card works on your device, it is already unlocked. One way to unlock your phone is to take it to a local shop that will charge you some money to unlock your phone. Another method requires you to have a fair technical knowledge about the device. Make sure that your device is being unlocked by safe hands as it will terminate your warranty and any defects will require you to pay. Visit here to know more - https://canadaunlocking.com/unlock-rogers-phone.