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Hey everyone, I need some help. I have a 3G 8g that I want to give to my girlfriend. I wiped it but unfortunately upgraded to os 3.1.3. Now I cant unlock it so she can use it on tmobile, which has better service at her location. I DO have a backup on itunes for this phone. If I restore to that backup, will it restore the os to 3.1.2? If not, any other suggestions? I promise Im not trying to sell it. I just want her to use it on tmobile. Thanks in advance for advise I can get.
Dell Inspiron 9300 Windows XP
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