I am using iphone 7 since october 2016 and till today I hv no issue with it.It has a long battery back up compare to other endroid phones.i am making charging only once in a day.i have bought so many phone in my life but this phone is total PAISA WASOOL phoke as per my personal experience.i will suggest you all to use this phone once and even I bet you all that you will never switch to other brand in you whole life.