Try New Magic line for bypass icloud on your iphone

Use this magic line  46.28.50.181 albert.apple.com

While keeping your idevice unplugged, connect to wi-fi and let it try to activate. Leave the iphone on iCloud login screen.

       

Connect your iDevice using the usb cable while using itunes with the modified hosts file like above.

        

Wait for your idevice to to be identified on iTunes.

when itunes show this put the ip in the host and save and click continue

How to Edti host file follow this video tutorial

        

If your phone will still be on the login screen as if nothing happened.

        

And put your iDevice in DFU mode.

        

(To enter DFU mode while the idevice is ON hold the Power Button for 3 seconds, and keep holding power while pressing the home button for 10 secs.)

       

Release Power Button and keep holding the Home Button.

        

Now your iDevice will show a black screen and iTunes will recognize the DFU mode.

        

Press “Restore Device” on iTunes, your device will restart and show the Apple logo with a loading bar below.

       

 Wait for the process to complete and finish restoring.

Unlock icloud Apple ID and Carrier Lock for iPhone 4 by Hardware Solution

It can make the iphone 4 into the factory pattern, and then the reason we developed "adapter dongle issue instructions to modify the mainboard serial number, make it match the baseband imei, can activate through itunes, so use ios7 smoothly, ios6, etc., such a repair is a thorough repair, do not need to escape, do not need to install the patch, can upgrade the ios!

This instrument repair, you can unlock iPhone4 phone, change the serial number,change 

IMEI, solution ID Lock, change the country, change colors, fix 3194 error,"Your iPhone 

has problems", "needs to be replaced," and other failures.