It would be best iphone it have 5.5 1080×1920 pixel screen and it have 12 mp primary camera and 5 mp selfi camera 2 gb ram it have nano sim slot.
It has one new feature which is called 3d touch and it work on ios9 it have apple a9 chipset and dual cor 1.84 ghz processor it will come in 16\64\128gb and have 2 gb of ram it have wifi gps nfc usb and it have fingerprint scanner wich is work accurate and 2750mah battery it have 24h 3g talk time it comes in many colors such as space gray, silver, gold but my favrate is rose gold best price of this phone in to the market is 49533 it is good for you if you are apple fan than you should buy this phone but if you have iphone 6 plus so there are no need to buy this.