WARNING: Make sure your cell phone is 100% CLEAN (not reported as “Lost” or “Stolen” before place your order using this Link: http://www.t-mobile.com/verifyIMEI.aspx
Order only if your phone shows: “Unlock Failed: This mobile wireless device is not eligible for unlock. For Device Unlock eligibility details, please go online or contact Customer Care.”
Once the unlock request is processed, you’ll need to:
Make sure you have an active data connection via 3G/4G/LTE or Wi-Fi,
From the Application list, tap Device Unlock,
Choose the “Permanent Unlock” type
If successful, restart the device to apply the settings.