More than 3500 Testimonials so far, click here to check all Microsoft Lumia 640 Dual SIM unlocking Customer's Testimonials
I have to admit I was skeptical about doing this through the website but after being on the phone with At&t for almost an hour I gave in and spent the money, I wish now I had just come here first. Very nice service worked immediately!
Cape Neddick, United States
Very Fast Service.
Code worked flawlessly.
Thanks for unlocking my phone!
Tel Aviv, Israel
Wow, payed and after 2 hours i have my unlock codes and the manual how to unlock it. The first code works and my german sim does it now in the spanish mobile phone. Thanks for your quick and very good service!
How to unlock Microsoft Lumia 640 Dual SIM
All we need is the IMEI number of your Microsoft Lumia 640 Dual SIM phone and the network Provider it's currently locked to (we mean the Original Carrier who sold the phone: they have programmed the simlock restriction).
We will use these details to generate your unique and individual unlock code and give your handset total freedom!
You will be emailed your unlocking code along with easy to follow instructions to remove your current network provider simlock with absolutely no risk of damaging your Lumia 640 Dual SIM phone.
Microsoft Lumia 640 Dual SIM Unlocking
We have already provided thousands of Microsoft unlock codes here at Unlock Network, since 2007. We enable you to use your phone on ANY network carrier, local or worldwide.
We are the best in the business. That’s not just talk: Just read through authentic certified Reviews from our customers and you will see we provide excellent customer support and deliver upon it time and time again.
We provide even better service than your official carrier for unlocking your Microsoft device. Why ? Not only we are simply way cheaper and much faster but we also provide you with a complete set of codes you need plus assistance.
Get your Unique Lumia 640 Dual SIM Unlock Code Now!
Fast Delivery, Lowest Price Promise, Simple Instructions and Money Back Guarantee
You will get manufacturer-issued unlock code(s) directly sourced from Microsoft.
You will be provided with step-by-step instructions on how to enter your unlock code on your Microsoft Lumia 640 Dual SIM handset.
Then you simply type the code into your phone and there you are: Lumia 640 Dual SIM Unlocked and ready to accept any GSM provider SIM-card!
Benefits of unlocking your Microsoft Lumia 640 Dual SIM Phone
- Use your Microsoft Lumia 640 Dual SIM with any GSM service provider worldwide, accepting any SIM card.
- Save money on roaming charges when you travel abroad (use local SIM card).
- Will not void factory your Microsoft phone warranty (Official Carriers use exactly the same method)
- Increase the resale value of your unlocked Microsoft Lumia 640 Dual SIM.
- No need to send your phone away, or to waste time to local store: Quickly remote unlocking by code, from Your home!
- No technical knowledge required: If you can dial a telephone number, you can unlock your Microsoft Lumia 640 Dual SIM with a code.
- Change your network provider and keep your phone! No need to buy a new handset.
- Permanent Unlock: Once it's unlocked your phone will stay this way forever.