I really wanted to upgrade to S5, especially after seeing my sister's amazing new Verizon S5. I was shocked to see how awful this phone is with talk/surf on Sprint. Sprint bashing aside (because I have a strong LTE signal with my S3 where I live), this phone didn't awful talk/surf on 3G or roaming like my S3 and obviously had no chance to do LTE since it's a Spark phone. Just curious: has anyone else had this experience? I actually like Sprint, because the signal is far and away the strongest where I live and my S3 can simultaneously talk/surf on roaming/3G/LTE. I like Samsung too, because we have a Samsung smartv and my S3 works smoothly with it. Thanks in advance for your feedback and any other tips I might be missing by being a Samsung Homer (if any other newer Droids worth updating to).