Which is the best one of this?

Which its best??

NEW
alcatel idol 3 (4.7), moto g 3 (2gb/16gb) xt 1540, moto g4 play, huawei p8 lite, BLU Vivo Air LTE. LG ZERO or XCAM

USED
HTC M8, MOTO X 2013 developer edition, S5 or mini, S4 or Mini.

All about near the same price.

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