Yours white colour? I find scratches seem to be less obvious and easier to cover up (use marker) on the black version. If white version, it's so obvious cause of the shine. I used to think it was the other way round, but seems not. lol.

If they maintain camera quality (don't really have to make it better), also very good enough already. No Android phone so far to me can even come close to iPhone 5 now in terms of perfect exposure, white balance and natural colours.

Battery life, Apple will just make it slightly bigger because there really is no need for a much bigger battery due to efficiency of hardware power consumption and iOS superior power management among all OS now. After all, my iPhone 5 super-small-battery can least nearly as long as my Android large-battery phones like Note II, etc. And after testing iOS 7 Beta myself, the iOS is even more battery efficient.

If follow back last year, we need to wait until December for 5S to be officially launched here. That's still a really LONG wait.

Same here, didn't skip any iPhone generation. The upgrade is always worth it cause it makes the superb apps available to perform even better. I still cry for Android cause I love their hardware but they can't produce apps with superb fluid interface, usage, deep-level integration such as iOS now. I just wish Google could make it easier for developers by coming out with a more robust Android OS, perhaps they need to even build from the ground up (seriously!).

This should be a software problem, IIRC. And not only iPhone but certain phone models face it too.

Let me guess. You take ride an elevator at least once every single day?

That 'calibrate method' is a myth. You cannot solve physical wear-and-tear problems with 'software'.

Best to get it replaced.

Defective battery cells?

Are you a heavy user? Do you use your phone til empty previously few times a day and constantly charging it?

Oh then can't do much since your usage is quite reasonable too. Hmmm. Anyway, my iPhone 5 (now more going to be close to 1 year old) not in use anymore but last month when I was still using, I could still use up to 2-3% before auto shutdown.

It does seem out-of-the-ordinary.

If it happens more frequently, best to get it replaced.

No point to get it diagnosed if it's working fine.

Try to claim a new one right before your warranty ends, so you might hope the button will fail when your phone is 11 months+ old. At least then you have a brand new button (and probably new battery) then.

Normally, they will change a new/replacement unit for you if home button fails.