mercredi 27 janvier 2016

Samsung Galaxy S4 AT&T service problem?



Hello,

I got an used galaxy s4 AT&T and it has service problems, I contacted the at&t customer's support and they told me that the phone is not locked to their network. I'm wondering could the low service be the firmware problem. Is it possible to install an european firmware to the SGH-I337 ? I would like to try to install european or something better (now it's kitkat)

Download from this link

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