How can I increase my signal strength?

[AC Question]

Signal strength

Im having a huge problem with my phone. Galaxy s5 is the phone. Sent it to Samsung because it wouldn't charge. So they replaced the battery port and LED screen. Sent it back. I hooked it back up. Starting using it and now i cant get 4g anymore. It will come on then go out and have a X on signal bar. Then i cant do anything no calls no text no nothing. I have to switch over to 3G which really sucks. And even that goes out now. Im lost. Anyone know what to do??. And this is my signal strength -113 dbm 0 asu. Not sure what it means

 

[Tumultus]

Re: Signal strength

If your signal strength differs from before the Samsung repair, I would simply contact Samsung once more and send it back. Also, try to contact your network provider to rule out temporary issues with your network. Finally, if you're under contract, you may want to try to walk into a local store and see if they would exchange the device for you.

At least that's what I would do.