How long will an iPhone 5 last?

How long will this phone last me? I'm talking total life of the phone, not just battery life.

Depends on your usage and handling of the phone

if you treat it like a Catholic Nun to a newborn baby… Maybe 4-5 years…

if you treat it like a Hell's Angel in biker gang, or Norse God like Thor, slamming it here and there, tossing it here and there… Leaving it in yoru pocket and being psychically active with it… 4-5 days… No… I take that back… 4-5 hours

This will have a lot to do with how you treat it and how much you use it. One of the first things to break is the home button because it just gets pushed so much. This can be repaired for a reasonable price.
Keep the Screen protected, practice good battery charging don't treat it rought easily 4 years.

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It depends on how much you use it and how you take care of it. Get a case and use it like a normal person and you'll be just fine.

Depends on how you take care of the phone itself, it can last you many years! Just don't drop it or stuff like that and trust me it will last you very long. Apple products are built to last many years. I have an iPod touch 4G and i have had it since October 2010 its almost been three years and guess what? It still works fine, because i never drop it. But i will be honest i do use it alot and i charge it twice a day and it still works great! I also have a 2G iPhone which i barely use and it was made in 2007 and it still runs good.

7 hours?

800 years

Of course that depends on how you take care of it.

I have a phone that I got in 2007 & aside from a slight blemish on its Home button (not an iPhone for the record) & its still very much functional.

Like an old saying goes, take care of it & it'll take care of you

With a case about a year or two or even three years depends on how you lake care of it without a case about a week or whenever you drop it then its dead