Nokia Lumia 520 Rm914 Firmware Exclusive Download Patched Now

Removes carrier restrictions (e.g., T-Mobile or Vodafone branding) to make the phone truly generic.

The corresponding for the Lumia 520 platform. Step 4: Unlock the Bootloader (The Patching Process)

Allows you to install legacy .xap and .appx deployment files directly from your PC.