Change Different Network Speed in IPhone(3G to 2G)

How to Change network Speed in Iphone.

Requirement ::

1. Mac OS
2. Iphone (Any version)
3. Iphone Cable
4. Wifi or Mobile Data

Steps to Change network::

Step1 ::
     
           Connect Cable to Mac Os & Iphone

Step 2 ::
   
           Go to Settings

Step 3 ::

       Scroll Down to Developer Option. & Select Developer Tab.

Step 4 ::

            Now Click on Status Tab.

Step 5 ::

          Now Select Which network u require to operate Network.

Continue with using Speed based network..

By 

Harikrishna Recharla