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Nokia Unlocking DCT-3 & DCT-4

What is unlocking and why would I want to do it?

An unlocked phone is one that can be used on all networks operating on the frequency the phone is designed for. For example, in the UK there are four main networks, Vodafone, BT Cellnet, Orange and One2One. Vodafone and BT Cellnet operate on GSM900, while Orange and One2One operate on GSM1800. A UK dual band phone can operate on GSM900 and GSM1800, therefore being capable of working on all the networks.

However, as the networks don't want to lose you as a customer, when they supply the phone (on contract or  pay as you go) it can be locked to only accept SIM cards from their network.

If you wish to use a SIM from a different network, the phone needs to be unlocked.

How do I know if my phone  is locked?

There are two ways to check if your phone is unlocked. Firstly, if you have a working SIM from a different network, try putting that into the phone and switching it on. If the phone works and you can make calls on that network, congratulations, your phone is already unlocked. If a message appears, saying "SIM card not accepted" or similar, the phone is probably locked.

How do I unlock my phone?

Unlocking DCT-3 / DCT-4 & BB5 phones requires the use of a PC, an compatible data cable and the appropriate software. DCT-4 phones also require an compatible data cable or Nokia Unlocking Clips which do not need a PC and this solution is very easy to use.
Or why not use the DCT4 Remote Unlocking Service from
Foneunlock.com

DCT-3

DCT-4

3210
3310
3330
3350
3390
3410
5110
5130
5146
5190
5210
5510
6110
6130
6150
6210
6250
7110
8210
8250
8290
8850
8890
9000
9110
9210

3510
3510i
3590
3650
5100
6100
6200
6310
6310i
6510
6600
6610
6800
7210
7250
7650
8310
8310i
8910
8390

IMPORTANT

Please ensure that instructions are carried out correctly, as incorrect use of unlocking  software and cables can result in corruption of the phone's software.

No responsibility will be  accepted for damage/corruption to phones caused by using any of the software available on this site.

Mobile Phone Unlocking

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