It’s impossible to get more space on the "ram". this space is created by apple or any phone company and it cannot be changed
and My iPhone 5 use to freeze and reboot like every 30 minutes, what should I do
I’ve deleted some files but yet not solve the problem.
For its time though, the 5S was a big jump forward, and it’s still in credit now: whether it’s the Touch ID home button(which is excellent, more on that later), the jump in CPU power over its predecessor, the fact the camera was, once again, improved, or the new iOS 9 software it’s now running, the iPhone 5S saw Apple attempting to bring as much as it could to the party without having to redesign the whole concept all over again.
There are many that think releasing the same design twice is cheeky, and there are others who realise that sometimes there’s no need for change. It’s easy to fall into the former camp, and while Apple will happily point out it’s not forcing anyone to buy its phones, it’s acutely aware the competition is now scarily strong and it needed to bring its best to stay relevant.
The iPhone 5S represented the pinnacle of that particular iPhone design for Apple,