soft brick sgh-i257, need restoration

[trulane]

Ok, I rooted a sgh-i257. No problem, but somewhere I messed up with twrp. Now I have a phone that says software unauthorized by at&t m, bring to dealer. I downloaded kies3, BC i can put into download mode. However in kies it asks for a recovery code. I don't have that. Where do I find that. I bought the phone off eBay. So I need to get stock at&t firmware on my galaxy s4 mini sgh-i257. So can anyone out there help me please.

 

[trulane]

It has 16 gb internal memory. I'm try to oden the stock rom first. If no luck there I'm gonna try the i257m version of I can find it. Hey thanks alot

 

[trulane]

It's 16gb and lte. No I checked sammobile, I found a link on here with it. When it try it ima post the results. Thanks again

 

[trulane]

Thanks xda-developers, I just turned my s4 mini sgh-i257 from a soft brick to a working phone again. I'm so happy! Thanks guys. I used the link and info from this site. I have the pics of oden connection, green pass light, and the download mode blue bar going across the bottom. Thanks again guys.?

 

[that1guy15]

What did you do? I have the same problem right now.

 

[trulane]

No problem, here's the link to the thread. Read it n follow instructions. https://forum.xda-developers.com/galaxy-s4-mini/help/sgh-i257-stock-att-firmware-t3193465

 

[RItechie]

How did you root your phone

I would appreciate knowing how you rooted your att sgh i257 phone, thanks.

 

[trulane]

I used Kingo root