I own a Samsung Galaxy SIII. I work in a room with no windows and very, very poor reception and no WiFi. I have lots of dropped calls and my internet has a really hard time connecting. I can sometimes get my Mobile HotSpot to turn on, but any device that is connected to it runs websites extremely slowly, if at all. If I connect anywhere outside of this room, it works just fine.
Is there anything I can do/download/buy to boost my reception?
Thank you!