Thursday, August 4, 2016

LTE not working after factory reset (3G does work)

Hi everybody.
My problem is not necessarily restricted to this model but I couldn't find a "general" section, this forum is huge.

I'm from Argentina and some time ago I bought an unlocked SGH-T399N to use with my local provider, it worked pretty well. Few days ago I did a factory reset and since then I couln't get my LTE connection working (It worked for a year before the factory reset). Most confusing thing is that 3G connection works fine.
I tried different ROMs, tried every "modem.bin" file I could find for this devide, even contacted my local provider support but they're kinda lost since they don't sell this model here.

So I'm lost here, I guess the seller did something to the device in order to get LTE working in my country, and I deleted it when factory reseted. Though I don't know of anything that he coul've done, just having an idea could put me in the right track (I have no way of contacting the seller).


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