I have a Unlocked 8100 (from ATT) It is running on T-Mobiles network now, But I need to know How to Load the Tmobile version of the OS so that I can have myfaves and T-zone I downloaded the OS from Tmobiles website but cant get it in the phone. How do I use the APP Loader?
Since the phone is AT&T and you're installing a T-Mobile OS, there is a vendor.xml file somewhere in the hierarchy which you need to delete before you can install it. Did you do that yet?