Lenovo vibe is better to use .it has a good camer. front camera is 8 mega pixel and back cmera is 13 mega pixel .it has finger print sencer . It has a marshmallow version.i am using lenovo vibe k5 from 7month but there is no problem in it .it has god battery backup.for selfy it is good for this generation .i buy from flipkart in 7to 10 days .it has 3GB RAM and its internal is 32 GB .it has dolby sonund system .it is 4g android .and internet connection is good .My mobile is still running in smooth condition depending upon user how he or she is use .