To Unlock I-phone 3G 16GB use Remote Unlock service..Visit the site Mobileunlocksolutions.com get Remote Unlock service and unlock it easily.Then use with any GSM Network Sim card.In remote unlock service there is no mobile damage issues.So it's secure method.After Unlock it you can use with only gsm network sim card..Telus is CDMA network.So you cannot use with it.