Awesome ? Smooth ? these two words do not go with the S5. I bought one up when it was released and it was a LAAAG FEST. It was the Snapdragon 801 version , but it literally lagged every where because of the Samsung bloatware. However i was coming from a Nexus 5 so wanted smoothness , i immediately sold it up and got my self another Nexus 5
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Anyways i would highly recommend going with Either a Nexus 5 (battery is a -, but good things are expected out of the new android L ) , a Note 3 or a OnePlue (outstanding phone)