Aporte original por: Jerry

Texto:

Depending on whether the phone is GSM or CDMA (AT&T/ T-Mobile or Verizon/Sprint, respectively), that is an antenna port. I know that the GS4 CDMA and GSM phones are different in the same way.

I would suspect that to be either Wi-Fi or GPS/alternate cellular. Test it out...

Estatus:

open