Hello friends. I am Anil Solanki.today I am talking about phone Karbonn Titanium S30.this phone is very worst product and chif product .but not beter then Mi Redmi note 4.Mi note 4 have many qualities.mi have 4 gb ram 32 gb internal memory.128gb expendable memory.rear cemra 12 mega pixel.frunt cemra 8 megapixel.4000 mah batry.up to stand by.600 hrs.7.1nougat operating system.duel sim.octacore processor.fingerprinter sencer.frinds. I sugist you purchase redmi note 4