What is a UMTS Transceiver, and what does it do?

Anonymous13

Also, could you just briefly explain the main internal hardware in an iPhone? I need this for my project As soon as possible.

Kate

The Universal Mobile Telecommunications System (UMTS) is a third generation mobile cellular system for networks based on the GSM standard.

Why does Netflix keep pausing and playing over and over? I'm using it on my iphone 4. And I have checked my connections over and over I've uninstalled reinstalled, signed in signed back and everything else that the troubleshoot website has recommend. And it's gotten annoying. It didn't start doing this as much until I updated the app before the ios 7 release. I'm currently using the trial for netflix and my laptop doesn't work so I can get it on anything but my phone.
Why does my iPhone 4 say No Service but also 3g works and so does SMS? Since this afternoon, my iPhone just said No Service. 3g is also show, and SMS works fine! What's wrong? I have ATT if it matters
What is whatsapp, what does it do and how does it work? I can't download it because I have ipod2 but I'll get iPhone 4 soon and I want to know if I might like it
What does DNS stand for and what does it do? Like when you are on your iPhone and you go to connect to a wireless connection. And it says DNS right under router.