If you decide to upgrade your iOS to a newer version, you do not have to worry about your device being locked again because the IMEI unlock method gives you a permanent Telstra Unlock iPhone solution. The unlock is based on the IMEI number. Mexico Iusacell Iphone Unlock there. Important. Please read before ordering: Order this service only when your phone is from Telstra Australia Network. I was suspicious first (there are many scams out there), but each time they had amazing communication every step of the way, and the process is so painless and easy. Payment of unlock fee: Telstra charging system for unlocking prepaid phones varies slightly depending on how long you have used the phone on the network. You have already signed up to pay a two-year contract, so if you decided to go to another carrier with the phone, you are at the expense anyway. Can You Unlock Virgin Mobile Iphone 5s. jpg' alt='How to unlock iphone 4 from telstra' title='How to unlock iphone 4 from telstra'>