In this guide checkout how to Run iPhone 6S without SIM Card, works great with iPhone 6S Plus as well.
iPhone 6S Plus
Buy Apple Watch, iPad, iPod, Mac, iPhone 6S Red Case – Apple Red Products
Apple officially announces Apple Red Products – All Apple Watch, iPad, iPod, Mac & iPhone 6S Red Case are available.
This Cable or Accessory is Not Certified – iPhone Error
Guide on how to deal with This cable or accessory is not certified and may not work reliably with this iPhone, the iPhone error found on iPhone 6S/6/6S Plus, 6 Plus, 5S/5C/5 and iPhone 4S.
Apple iPhone 6S Plus Photo Size Comparison with iPhone 6 Plus in MB
iPhone 6S Plus Photo Size Comparison with iPhone 6 Plus in MBs.
Apple iPhone Upgrade Program – Price Starts $32 a Month
Apple also introduces iPhone Upgrade Program through which you can get a new iPhone every year starting at $32 a month which also includes AppleCare+.