This is most likely the ping. Try doing a speedtest next time it occurs. See how the ping is and you can identify it easily then.
Originally Posted by doughboykilla
Some phones can get slightly better reception than others. I've heard that over time that the antenna can weaken in a phone. But, I can't personally attest to that. You can bring any 3G Verizon smartphone to Straight Talk that isn't iPhone or BlackBerry though. If you really want a newer device on Verizon prepaid, then you're best bet is a MVNO like Page Plus or Selectel and having someone experienced flash the phone and disable LTE.
Originally Posted by labjr
Sent from my SAMSUNG-SGH-I437
noun, plural nex·us·es, nex·us.