Instagram is not working on my SGH-I747 that I flashed to SGH-T999

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http://forum.xda-developers.com – I have an SGH-I747, and since I unlocked it to use it with T-Mobile, I flashed it with all the guts from the SGH-T999. Everything works perfectly, except for the Instagram app. I've googled as much as I can and haven't found anything discussing my problem. The app opens up, the feed works fine, but when a picture is taken and ready to be uploaded, it says loading and never goes anywhere. I've uninstalled and installed the app a bunch of times and nothing. All the info for my flash can be found in this thread: http://forum.xda-developers.com/show...2307204&page=5 Please, someone help (HowTos)