Earlier quoted context omitted.
> How easy is it for end-users to replace the battery in that off-warranty 5S? Oh. I see. I did it in about 45 minutes the first time, and could do another in 20-30 minutes pretty easily. It's now a 5-year old phone. 10 minutes labor per year is OK in my book. How easy is it for end-users to replace the clutch in that off-warranty Civic? For that matter, how many people even change their own brakes (one of the easies…
The 5 series and SE phones are pretty easy to repair indeed. I've replaced a screen and battery with no experience, a few tools from ifixit and a youtube video without much hassle. It's gone pretty downhill from there with the iphone 6. Especially because the screens are much more intricate.
This is something that can become routine for practiced folks, or for people that are motivated to try the challenge, but there's a lot of opportunity for mishaps. In fact one way that many people get new phones is when Genius Bars screw-up the battery replacement-- so even pro's can't get it right 100% of the time.