Iphone 7 256gb ram is the best phone in this world which has the highest security in this it is also the security which is provided by the ios system which also can keep our data safe tity where no one can hack or even copy our data from this mobile phone where it provides full of security in this phones mainly it has the powerfull battery in it and also provides the the ios sysrtem prise is dome what high but we can affort it