Every phone has an operating system (OS) which allows the phone to run several applications through software. Software is a set of instructions which are readable by machine and directs the phone’s processor to perform specific task. Software operates through hardware and hence they require each other to perform tasks that a user requires.The Apple has developed iOS which is used by iPhone 6s Plus and all other versions of iPhone. The iOS comes with amazing features and user friendly interface. The iOS is developed in such a way that the user enjoys using their phone with modern technology. It is engineered to modern needs and the company keeps on upgrading it every other year in order to be competent with the technological world. The up gradation of software can be automatic and sometimes becomes problem which would be resolved through the professional help and here MyCelCare masters in all types of software up gradation within minutes.