Unlocking a Nokia E72 requires a Nokia unlock code. With a fully unlocked Nokia E72 you will be able use this mobile phone on any phone network. The Nokia E72 like most GSM or SIM based Nokia phones comes with what is called a SIM lock. This lock prevents other SIM cards besides the original phone companies from working in the device. Once this SIM lock is removed your phone will be fully unlocked and you’ll be able to purchase a new SIM card and service with a different service provider.
There are many free ways to get an unlock code for your Nokia E72 as stated in this article. You will however need to know your E72′s IMEI number first, which you can find simply by typing *#06# and hitting enter. Once you have an unlock code you can use the following SIM unlock instructions to permanently unlock your Nokia E72. Here are the steps:
Unlock a Nokia E72 (SIM Unlock)
1. Type #PW+
2. Enter your Nokia E72’s unlock code
3. Now type +1#
4. Your Nokia E72 should say “SIM Restriction Off”