How to Unlock your Windows Phone? (Guide)
Let’s take a look at how to side load  windows phone apps to your windows phone 8 or 8.1 device that aren’t  from WP store (cracked apps or apps that developed by you). Basically  you need to have some tools. Let’s start without long introduction.
- Then open, Windows Phone Developer Registration Tool.
 - Now connect your WP device with USB cable and unlock the phone.
 - Before start, make sure your phone’s date and time is accurate. If not you won’t be able to register.
 
- Now wait till the Status changes to “Identified Windows Phone 8 device. Click the Register button to unlock the phone“. If your device already Registered you’ll see Unregister instead of register button.
 - Now you can click Register button.
 - Then Sign In dialog box will appear. Insert your Microsoft account mail address and password. click Sign In.
 - After your phone registered status changes to “Congratulations! You have successfully unlocked your Windows Phone“.
 
Download Link : Windows Phone 8 SDK
Enjoy!!! :)
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