How to unlock a Nokia cellphone (open line)

Some 2nd hand phones were locked for 1-sim use only but here's how to unlock it . Since I am not an expert on this Nokia open line thingy, below is some idea/tip and link of a site that offers a Nokia free unlock online calculator by IMEI.

** Before yo go on, let me remind you NOT to breach your contract in case your line is network locked.

Step 1

You have to find out if your Nokia phone is a DCT3 or a DCT4 model. According to www.unlockme.co.uk, supported DCT3 models are the following:

2100, 3210, 3310, 3330, 3410, 5110, 5146, 5130, 5146, 5210, 5510, 6110, 6130, 6150, 6210, 6250, 7110, 8210, 8810, 8850, 8890, 9110, 9210

The same website also posted that the supported DCT4 models are:

1100, 1101, 2300, 2600, 2650, 3100, 3120, 3200, 3220, 3230, 3300, 3510, 3510i, 3650, 3660, 5100, 5140, 6020, 6021, 6030, 6100, 6101, 6170, 6220, 6230, 6230i, 6250, 6260, 6310, 6310i, 6510, 6600, 6610, 6610i, 6650, 6670, 6681, 6800, 6810, 6820, 6822, 7200, 7210, 7250, 7250, 7260, 7270, 7280, 7360, 7600, 7610, 7650, 7710, 8310, 8800, 8910, 8910i, 9300, 9500, N-Gage, N-Gage QD

(Note: You can Google search other phone models that are not listed above at the same time find out if they belong to either the DCT3 or DCT4 category).

Step 2

Find your unit's IMEI by pressing *#06# on your phone keyboard. The IMEI, or International Mobile Equipment Identity, is a unique 17 or 15-digit code used to identify an individual mobile unit in a GSM network. The IMEI uniquely identifies a specific mobile phone being used on a mobile network.

Step 3

After getting the necessary information, you may now enter your IMEI in the corresponding box at the Nokiafree.org website. Again, you will have to make sure if your unit is a DCT3 or a DCT4 model to arrive with a correct unlocking code. Follow the given instructions to complete the process.

Screenshot:

Important reminders:

· We discourage a breach of contract in case your phone line is still under the lock-in period.

· Please do not leave any IMEI number here or else we will not respond to your query.