My iphone's power buttons is faulty, will I get my phone replaced?

My first iphone 5, a month or two after purchasing, had a really unreliable power button (on/off button), and the woman at the apple store decided that it needed a replace. 8 months afterwards, around a few weeks ago from today, I realised that the iphone I was given as a replace also had the same problem, and that sometimes it works and sometimes the screen won't switch off. My warranty expires in a week or so. Do you think they will replace my phone with a refurbished replacement or will they forced me to get it repaired?

Be fast, give it to the apple store, they must replace it until your warranty expires. Wish u so much luck.

I agee with mario they will replace itand if they don't jst get it repaired for like 50 bucks