Wi-Fi calling in ios 8 iphone 5?

Wi-Fi calling in ios 8 iphone 5?

Added (1). Can someone tell me if ios 8 Wi-Fi calling feature is available on iphone 5 or not? If not when will it be available? I contacted t-mobile tech support they told me that it is only supporting Wi-Fi calling on iphone 5c and above, but apple tech support told me it is available but t-mobile has to activate it? So what now?

My iphones 4s can't be connected to itunes?

I have an iphone 4s of ios 8 and a macbook air. When i plug it in, the phone is charging but i can't see the iphone button popping up on itunes of my mac. How do i solve this?

Why won't my iphone6 speakers work?

Just got the new iPhone. I tried to face time, the other person doesn't hear me unless I have the headset in. I tried restarting, I cleaned it, factory reset. I've tried volumes and everything. No one can hear me when I put my phone on speaker.

Buying an iphone 6 plus

I want to buy an iphone 6 plus but every where is sold out! I live in stockton California. Anywhere that FOR SURE has them i'm willing to travel at least two hours to get it!

How long will it take to download ios8 onto my iPhone 5s?

I've heard stories where it has taken 2+ hours to install ios8, I'm also terrified that it will go into recovery mode making my iPhone not turn on, and I'll have to restore it because I honestly have no idea how to, i know nothing about technology xD Does installing vary depending on the lastest iPhones?

Added (1). sory i meant " does installing time vary depending on lastest iphones? "

Why do people spend $600 on the iPhone?

What I don't understand is why people spend $600+ on the NEWEST iPhone that maybe has 2-3 SMALL changes. Why don't they just WAIT until they can upgrade for free? Do people seriously waste that much money?