Unlock your Microsoft phone today with BigUnlock. Whether you own a classic Windows Phone like the Lumia 950, 640, or 535, or the modern dual-screen Surface Duo, our official IMEI unlock service works seamlessly to free your device from carrier restrictions. We provide permanent network unlock solutions for all major U.S. networks, including AT&T, T-Mobile, and Verizon.
There is no need to mail your device or install risky software. Simply provide your 15-digit IMEI number, and we will generate your unique Microsoft network unlock code (or process the official server-side unlock for your Surface Duo) and deliver the instructions straight to your email. Our process is 100% safe, keeps your device's software intact, and is backed by our dedicated support team in case you need any guidance.
Ready to get started? Select your exact Microsoft model from the menu below or search by your model number. In just a few minutes, you'll receive the SIM network unlock PIN or activation steps needed to free your device from any Network Lock once and for all. Enjoy the freedom to use any SIM card worldwide, backed by our 100% money-back guarantee.
