How do fourth generation 4G network by Windows iPhone

How do fourth generation 4G network by Windows iPhone

 Fourth-generation networks if you own a slice Telecom to provide 4G services such as Zain Saudi Arabia and du UAE, but some copies you need to do it manually.

Are available on the system and Windows Phone being developed and produced by Microsoft a number of BB Call for some properties in the operating system, including On Call Interface Field Test, a code (# 3282 # #).

And is written code (window box 3282 window), in the application calls the normal takes directly to field trials and from select Settings (Settings), to notice a box for network selection (Network Type), and it choose 4G network and then kept what you've done to the phone automatically run network .