Oh god, old people and technology. I used to work for a company that had the #1 smartphone in the world... ten years ago.
Anyhoo... we would always get old people who wanted help with their new device. They got it hand-me-down style from their son/daughter who was given a newer fruit device by their company. None of them had any idea what they were doing. Many complained about the small screen, tiny keys and everything else they could.
We also didn't have AHT metrics, so we could be on the phone for literally hours (my personal record was five hours) I don't know how many times I wanted to tell them to give it back to their kid and go buy a Jitterbug phone.
I only lasted about six weeks.