OnePlus3T is a very nice phone because using my friends, realy it is the nice features but design is not like smart product otherwise good.and phone size is 5.5inch and picture quality: frontend is not batter but backend is more batter, great sound experience and network coverage is not bad its good and in this phone no hanging problem, good thing is 6GB RAM and 64GB storage are available customer service is good, and battery backup very batter means can use 12 to 15 hr .