I don't know if anybody else has noticed this. So, Sprint was bought out by a Japanese company called Softbank a few months ago. With all new acquisitions, there will be restructuring. When I started out with Virgin Mobile, I used to get 4G LTE at home with about half signal. Since the buyout, my service has drastically gotten worse. I only get 3G and barely any service at home. My calls are always breaking up and calls have been getting dropped. I could be wrong but I think it's because of the restructuring due to the buyout. And that could also be why others aren't getting 4G LTE at home. I usually use WiFi anyways at home, but the signal difference is really bothering me. My friend also has a Virgin Mobile GS3 and has noticed his signal getting worse too. Has anybody else noticed this?
I had the same problem and it got to the point I sold my S3 and bought an unlocked Moto G Lte and activated it on Straight Talk / AT&T. Service is way better.
I went from 2 to 3 bars and constant 4g at home to being lucky if I got 1 bar and only slow 3g.