This means that the entire operating system that's on there now, whatever that may be, will be gone, as will all the programs you've installed, and yes, most importantly, all of
Nke a pụtara na usoro sistemụ niile dị n'ebe ahụ ugbu a, ihe ọ bụla nwere ike ịbụ, ga-apụ, dịka mmemme niile ị rụnyeworo ga-aga, na ee, kachasị mkpa, data gị dị oké ọnụ ahịa ị zọpụtara na ụgbọala ahụ.