Price and Delivery starting at:€ 9.95 EUR 1 to 2 hs
Unlock Nokia Lumia 640
Unlock your Lumia 640 online without affecting the warranty
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- Best Prices & Delivery Times
- Guaranteed Unlock or Refund
Price and Delivery from: € 9.95 EUR and 1 to 2 hs
doctorSIM reviews16000+ reviews
It was pretty easy. Waited a little longer than I wanted to but that’s ok. I am still very pleased with the service especially being from a small country. Keep up the good work !
Satisfied Customer. I am not too hot on technology and I booked my appointment at an inconvenient time for the technician. But he dealt with me efficiently and patiently which I really appreciate. Go...
DoctorSIM Is one of my favorite unlocking sources. They’re experts that know exactly what they’re doing and walk you through the process to get the job done. Thank you very much for your support!
Video: How to unlock a phone
Frequently Asked Questions
What do I need to unlock my Nokia phone?
To unlock your Nokia, you need access to the internet and an e-mail address where we can send you simple instructions. You will also need to be able to access the keypad and dropdown menus of the phone.
Do I need to know the exact model of my Nokia?
It is very important that you know the exact model of your Nokia prior to requesting an unlocking code. If you do not know the exact model of your Nokia, or equivalent model, click here to find out using our free make and model search function.
How many unlocking attempts does my Nokia phone have?
If your phone is a Nokia Lumia you have a maximum of 10 attempts to enter the correct unlocking code. If your Nokia is any other model, you only have 5 attempts. Please note that if you have run out of unlocking attempts, we will not be able to unlock your phone.
This is why it is very important that you request an unlocking code through a reputable phone unlocking provider offering you full guarantees. Avoid cheap and untrustworthy online providers because they could easily damage your Nokia.
Can I still unlock my Nokia if I don’t know the original network provider?
In order to unlock your Nokia, it is important to know to which network provider the phone is locked. If you are unsure, find out within minutes by using our Nokia Original Operator check.
Unfortunately, we cannot issue a refund if the network provider indicated is incorrect.
Can I unlock my Nokia if it has been reported or blacklisted?
Reports are additional security measures which prevent the phone being used normally and are not removed by unlocking the phone.
If your Nokia has been reported stolen, lost or due to unpaid bills, you should contact the network provider to which the phone is locked to remove the blocking and continue using your phone normally. Once you’ve done that, you can unlock your Nokia without any problems.
You can check if your phone has been blacklisted here;
How do I know if I can trust doctorSIM?
doctorSIM has been fully dedicated to the mobile phone industry for over 8 years now. We have unlocked over 5 million devices for individual customers, multinationals, network operators and phone manufacturers. Our excellent customer support team is available 24 hours a day, 7 days a week to assist you by telephone, chat and e-mail. We have also invested heavily in quality controls and certificates guaranteeing the personal information you provide is secure at all times.
How much does it cost to unlock my Nokia?
Permanently unlocking your Nokia with doctorSIM is very economical and you can check our current prices by selecting the country and network provider to which the phone is locked. As well as earning discounts on every unlocking you make, you will find discounts of up to 50% on our website.
Why unlock your phone with doctorSIM?
The recommended method by the phone manufacturers and network providers.
The simple, fast, safe and legal way to unlock your phone.
This method is permanent and doesn’t void your phone’s warranty.
Your phone never has to leave your side.
EASY TO USE
Continue using your phone during the unlocking process.
First-class customer support available 24 hours a day by telephone, chat and e-mail.
You will be able to use your phone with any network provider in the world.
Backed by over 5 million successful unlockings to date.