iPhone 4 wont activate

So i reset my iphone4 and erased all its data, now when i try to turn it back on it says it cant be activated, when i connect it to itunes it doesn't work either. Any ideas of how get it activated?

iPhone 4

Posted on Oct 22, 2013 3:09 PM

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20 replies

Oct 24, 2013 6:27 PM in response to rek4u

While not it exactly, these are close.


Error 20, 21, 23, 26, 28, 29, 34, 36, 37, 40

These errors typically occur when security software interferes with the restore and update process. Use the steps to troubleshoot security software issues to resolve this issue. In rare cases, these errors may be a hardware issue. If the errors persist on another computer, the device may need service.


Also, check your hosts file to verify that it's not blocking iTunes from communicating with the update server. See the steps under the heading "Blocked by configuration (Mac OS X / Windows) > Rebuild network information > Mac OS X > The hosts file may also be blocking the iTunes Store." If you have software used to perform unauthorized modifications to the iOS device, uninstall this software prior to editing the hosts file to prevent that software from automatically modifying the hosts file again on restart.


They are from this support document about backup and restore errors. http://support.apple.com/kb/TS3694

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iPhone 4 wont activate

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