That is correct, to unlock your phone it is best to use a code rather than a software. I usually use http://www.unlockphone.codes to unlock my phones. They are fast and reliable. Hope this helps..
... use code to unlock your ZTE . To get it, visit ... need to specify your Model, Network and Country to get a ... you can use your ZTE with other SIM cards used ... http://www.mobile-unlocker.com/zte/rs2wp8/
You can unlock your phone by visiting a mobile service store ... help you to unlock your phone (this operation voids your warranty ... a small fee to unlock your phone to be able to use ...
