How to Unlock WP7-powered Phones with ChevronWP7

Windows Phone 7 OS from Nokia

How to Use ChevronWP7 to Unlock Windows Phone 7 OS – Windows Phone 7 is a rebranding of Microsoft’s old mobile OS called Windows Mobile. And nowadays there are already several smartphones running Windows Phone 7 OS (WP7) made by well-known phones manufacturers like HTC, Nokia, Dell, LG, and Samsung.

Windows Phone 7 OS from Nokia

However, just like a jailbroken iPhone and rooted Android, in order to be able to install cracked apps, unsigned apps, non-approved apps, and install any WP7 third-party apps which are unavailable in WP7 Marketplace, your WP7-powered phone needs to be unlocked.

Also, once Windows Phone 7 is unlocked, you’ll be able to use WP7 phone as an Internet modem (WP7 internet tethered). FYI: By default a WP7 phone has now Internet tethering feature. At least meanwhile.

Whatever your reasons are, if you want to unlock WP7 phone then using ChevronWP7 is the easiest way to do it.

ChevronWP7 Tool

Unlock WP7 with ChevronWP7 Tool

1- Download and install Zune [link].
2- Download and install Windows Phone Developer Tools RTW:
Download vm_web.exe


3- Download ChevronWP7Cer.zip [link]
4- Extract ChevronWP7Cer.zip to retrieve chevronwp7.cer.
5- Email to an email account which accessible on the Windows Phone 7 with chevronwp7.cer as attachment.
6- Open the email on WP7, and download the attachment. Once downloaded, tap the attachment again to open the [Install Certificate] screen with white letters on black screen.
7- Click Install at the bottom of the screen to install the cert.
8- Run Registry Editor via Windows Start Menu >> Run >> type RegEdit >> hit enter, and modify the following 32-bit DWORD registry key value (if it hasn’t exist):
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsPhone\ProxyPorts]
"DeviceReg"=dword:000069C5

9- Connect the WP7 leave, and leave Zune running.
10- Run chevronwp7.exe, click both checkboxes, and then click [Unlock] button.

You can download ChevronWP7 from mirror links here and save it to your computer. Mostly it works on several Windows Phone 7 devices. Unfortunately, the developer of ChevronWP7 has discontinued this project so it has no longterm support. Finally, use it with your own risks and proceed wit caution. Stay tuned with us to get more updates on this topic. You can stick with us at Twitter or subscribe to our feed and news letter after the break below.

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3 Responses

  1. rorymciverMarch 24, 2011 at 5:54 pmReply

    I was going through the process and I put the overclocking kernel on the sd card. Then selected it through rom manager to use with existing rom, should I have chose to wipe the data instead? because now it will not turn on, it goes to the htc start up screen then restarts every few seconds. When I hold the volume up button it will vibrate a couple times then the phone will stop trying to turn on and I have to take out the battery to get any response. Also the orange light is flashing after the screen turns black.
    I’m worried I screwed my phone for good, voided the warranty my rooting it and I only got it a few days ago.. is there anything I can do?? I’ve tried removing the sim and sd card but there’s no difference.

    • unknownMarch 31, 2011 at 1:06 amReply

      The Xoom is not an HTC device. Did you flash it onto a wrong system?

  2. Check us out.December 15, 2011 at 9:25 amReply

    Thanks for the auspicious writeup. It in reality was a leisure account it. Look complicated to more added agreeable from you! However, how can we be in contact?

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