My family switched from Verizon to Sprint. They either had to get iPhone or decided that we all had to because most of them like it. I have had it for a few weeks now. I do not have anything against ios or iPhone; its just not for me.  
  I just bought a new phone while on Verizon not too long ago and miss it.  
  I simply want to buy a different device.
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Can I sell my iPhone 6s that is still on contract (Sprint)?