I think iPhones are quite durable. I’ve never smashed one but I would say I’m quite careful. My husband is very clumsy but even he didn’t manage to smash his iPhone 4. He is very clumsy though. Smashed the Samsung galaxy S3, smashed the note 3, smashed the S6 edge plus twice. Smashed the S7 edge. I’m just waiting to see how long it will take him to smash his note 8.
I force him to get insurance and I have to force him to use it because he carries on using his smashed phones despite having insurance, with screen flickering and all. One time he smashed the screen, didn’t care. The screen was flickering and had a green line down it, didn’t care. The screen sometimes wouldn’t come on didn’t care. The charging port stopped working, didn’t care as he used wireless charging. When the wireless charging port stopped working he was still dithering about and I had to call the insurance company myself.
I’ve made him get a case of his note 8 and I’m making sure that he uses it lol