Cant seem to root or unlock my AT&T Galaxy s4 i337 version.


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Nov 20, 2014
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I have tried to unlock my Galaxy s4 several times & ways. None of tgem work. I have tried the *#0011#, it just blinks when it tries to go to the main menu to click [1]UTMS. Have tried all the numbers that go along with the same unlock trick. Also have tried to root it several times with a couple different ways & programs & it either fails or just runs & runs & does nothing. Have checked the imei & it does not show stolen or blacklisted. I am using the AT&T phone with Straight Talk sim but wouldnt think that should matter. Is there anybody out there with any suggestions? I would appreciate any help, thank you!!

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