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02-02-2012, 08:50 AM #1OS 3.0.1 can't send/receive MMS...can I upgrade on my own?
I own a jailbroken iPhone 3g running OS 3.0.1, firmware 04.26.08, and on TMobile. A friend of mine gifted me the phone already jailbroken so I'm very new to jailbreaking and related apps. I've come to realize that I can't send/receive MMS picture messages because my OS is too old. I also read that upgrading to OS 4 has caused lots of problems. I'm wondering (1) is it possible to upgrade to a higher OS 3 version on my own and (2) is there a post with step-by-step instructions for me to follow? Thanks for your help!