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Root Tried em all

F

frustratedS4mini

Guest
So I have tried just about every method google searching could show me. It seems I clear one hurdle and come to the next. Im trying to root the following phone:

Galaxy S4 mini from AT&T store

Model
Samsung-SGH-I257

Android Version
4.2.2

Baseband Version
I257UCU2AND8

Kernel Version
3.4.0-2653540
se.infra@R0301-01 #1
Wed Apr 23 12:07:02 KST 2014

Build Number
JDQ39.I257UCU2AND8
'
SE for Android Status
Enforcing
SEPF_SAMSUNG-SGH-I257_4.2.2_0025

Secure Boot status
type: Samsung


Ive tried odin and several other programs with no luck.. Odin says failed cuz of AUTH.

From what I can gather my bootloader is knox and locked and hence stopping me from doing anything fun. I cant seem to find anyway around it. Is there a guide for this exact phone? Or anyone personally done it yet? Thanks!
 
yes.. niether of those work. My device isnt supported. Its not so much the android version, its this particular device, and the fact its locked down hard. I have tried several guides and such. Anyways, really appreciate any help from someone who has rooted this particular model. Even entering into download mode with odin fails. Ive tried all the "Easy root" options, they give up right away.
 
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