Windows phone 7 has just been released and it has already become the victim of jailbreaking or you can say unlocking. Rafael, Chris Walsh and Long Zheng, This WP7 jailbreak/unlock is compatible with all WP7 devices.This unlocking application that is very easy to use. It is the Chevron WP7.

It is very user friendly; user doesn’t need to have coding knowledge to operate this app. And the application has been tested and proved that it’s safe and reliable to be used.
Below is the step by step tutorial to help you unlock or jailbreak your wp7.
  1. 1. Download and install the latest version of Zune desktop software for Windows.
  2. 2. Download and install the latest version of Windows Phone SDK, OR simply download this registry key and execute it on your Windows machine with administrative access. This registry key will add the following entry:
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsPhone\ProxyPorts]
“DeviceReg”=dword:000069C5
  1. 3. Now connect your Windows Phone 7 device (Samsung Omnia 7 in my case) with your PC via USB.
  2. 4. Start Zune software and sync your device. Make sure your device has a “full sync” relationship, and NOT “guest” relationship with the Zune software.
  3. 5. Download ChevronWP7 (Windows Phone 7 Unlocker app) and run it.
  4. 6. Before unlocking, make sure your device is not locked with a PIN.
  5. 7. Check “Ensure your phone isn’t PIN-locked” and “Install certificate on phone using Internet Explorer at http://chevronwp7.com/cert” options, and then click on the “Unlock” button.
  6. 8. DONE! You can now install (sideload) any third-party WP7 app without requiring a Marketplace developer account.