OP the good news is that all of the 128GB iPhones have a capacity of 114GB so you have nothing to worry about.
The bad news is you don't know how storage capacity works, but this is a problem that most people have and we get threads like this every year about "missing" storage.
The bad news is you don't know how storage capacity works, but this is a problem that most people have and we get threads like this every year about "missing" storage.