Suggestions on buying/unlocking iPhone 3G or 3GS for T-Mobile.
 

My sister has a summer job and would like to purchase a refurbished iPhone 3G or 3GS from Gamestop soon. They go for $130, $179 on AT&T's version. She would however like to use it on T-Mobile instead especially on their Monthly4G plans. We already know that if the 3G or the 3GS works on...

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Courtesy of WestNet Wireless
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