This phone from the oneplus family is an updated version of the oneplus 3.Its been crafted to perfection both in terms of softwate and hardware. It packs a brilliant 5.5 inch full hd display with curved glass.It is powered by the superfast quallcomm snapdragon 821 coupled with the highest in smarphones, 6 gb of ram.It is total power house which is being run by a massive 3500 mAh battery which lasts a day and also supports fast charge.The camera department too got an upgradation as now it has a 16mp front camera in place of the 8mp in its predecessor and same at the back.All in all its the best choise if you are willing to buy a flagship.