Domestic mobile service providers are required to unlock your phone free of charge as long as your account is in good standing and you’ve fulfilled all necessary contract obligations. Unlocking your phone requires you to contact your wireless service provider, which provides you with a unique code that unlocks your device. To gain access to a locked Microsoft account: Login at account.microsoft.com. Follow the prompts to get a security code sent to your mobile device.

I bought this Microsoft Lumia 640 from seller IncaDove. I contact him before buying because I want to make sure that it comes with an unlock code. Product arrived with unlock code and the seller's unlock instruction. I don't need to unlock the phone for my current carrier but I.
Also all other models of Microsoft phones from any other network which are supported, Please do a free check of price and availability of your unlock code below. Codes2unlock is a leading online site who specialize mobile phone unlocking service since 2012, we have unlocked thousands of phones successfully and can unlock almost all major phone.

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*If your phone is not listed above, please try again in a week, as our database is updated weekly. Please don’t hesitate to contact us if you have any question or special request.

Before unlocking

- Make sure that your phone is not “Hard locked” or has 'no attempts left' to enter the unlock code.

This occurs when someone enters the incorrect code many times previously, then the device will show “0 attempts left” to enter the code.

If your phone is brand new, then ignore this message. Nevertheless, if you don’t know or you are not sure of the phone’s history, please contact us first as there is no refunds if there have been too many previous attempts to unlock your phone with an incorrect code.

- Make sure the new network you are trying to use is GSM

- You have to know your IMEI number

To find the IMEI number of your device, turn your phone on and press *#06#, otherwise look behind the battery of the phone. In most cases the number starts by a 0,3 or 9 and is usually at least 15 digits.

Any questions? Then check out FAQs

As a technology giant for over 40 years, it’s no surprise that Microsoft smartphones are popular among users who want to experience the design and operating expertise of a household name in their handheld device.Microsoft’s share of the smartphone market continues to grow (helped in part by its partnership with Nokia), and the most popular devices at the moment include the Microsoft Lumia 640 XL, the Nokia Lumia 930, the Nokia Lumia 1520 and the Microsoft Lumia 640.

Unlock your Microsoft Lumia device today

It might seem like a difficult task, but the truth is that unlocking your phone is incredibly easy with our service. We’ve been unlocking phones for almost a decade, so it’s safe to say we have the knowledge to unlock any smartphone in just a few hours. If you want to change carrier, this is the service for you!

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How to unlock a Microsoft smart phone

To unlock your phone, firstly you’ll need your IMEI code, which is a unique identifier for your device. Your IMEI number can be located underneath your mobile battery, or by entering *#06# on your keypad. Once you’ve located your IMEI, you’ll need to make a note of it – we’ll need it later to ascertain your SIM unlock code.

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What is a SIM unlock code?

A SIM unlock code is essentially freedom for your phone. Once you have a SIM unlock code, all you need to do is remove your current SIM and replace it with a SIM from your desired carrier – when prompted for your unlock code, simply enter it your phone will be unlocked!