Question about Nokia 6233 Cellular Phone

4 Answers

Forgotten security code

Sir i have forgotten my security code of my nokia 6233 ..i have tried *,3,call,start and also*#7370# &*#7780# it doesnt work can u please solve my problem

I would be greatful to u


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  • 5 more comments 
  • pulkitj8 Oct 25, 2008

    imei no. 354827021320559

  • pulkitj8 Oct 30, 2008

    sir thanx for ur concern

    But there is a problem that the security code is "not activated" and i have forgotten the previous one and now to activate the security code i had to crack the previous one.

    sir plz do give me a soln.

  • ijas0072 Nov 28, 2008

    if you can solve my problem

    i forget my nokia 6233's security code

    lhave reset security code i need your help

  • Anonymous Nov 28, 2008

    i for gotmy security code which i have deactivated orginal and and i took new one that was fforgoted

  • pradeep_ns88 Dec 16, 2008

    I have forgotten my security code on nokia 6233. I need to reset the code. The IMEI no is 352915022893807 if you can find a solution do send me.

  • vipjanaan Apr 05, 2009

    i have firgotten my memory card pasward nokia 6233 memory plz if any one can solf my problem email me.

  • blueboy20078 May 04, 2009

    i forgot my phone [nokia 6233] security code so how can i get it back or change it



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Posted on Nov 07, 2009

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This is what you need, good luck


member only try it twice after that it will come deadlocked


Posted on Dec 23, 2008

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If you want to reset your security code,
just get your IMEI (serial no.) by typing *#06# and then you can get your mastercode using your IMEI
JUST GET YOUR MASTERCODE to this website..


Sad to say that this Nokia mastercode will not work with phones 1100, 1110, 1600, 2100, 2300, 2600, 2650, also not for BB5 phones!

----- Pinoy ^.^

Posted on Dec 24, 2008

  • PinoyPride12 Dec 24, 2008


    To find out the list of phones in Nokia DCT3, DCT4, BB5, etc,

    follow this link:


  • PinoyPride12 Dec 24, 2008



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  • Master
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The default security code for Nokia is 12345
IMEI: 354827021320559
Master code: 3315741650
Close all applications on your phone.
With your phone switched ON, remove the battery.
Then remove the SIM card.
Replace the battery without the SIM card and switch your phone on.

Type in the security codes (any code) until the phone request the Master code, (in the phone lock window) when it does, leave your phone still, don’t use it for 15 minutes, then type in the Master code.
This is the code needed to reset the Security code, nothing else, and it’s for your phone only.
If it does not request the Master code, your phone will have to be connected to a computer and an unlock box to restore the Security code.

Posted on Oct 25, 2008

  • Raysagem
    Raysagem Oct 30, 2008

    There is only one Security code. If it's not 'activated' then you use the default, wich is 12345.

    Read below:

    SIM pin code:
    This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
    if your sim is put into another handset. To reset it, you need the PUK code:

    Pin Unlock Code (PUK)
    If you miss key (or forget) your SIM pin code, and enter the wrong one 3-5 times in a row, the SIM will lock up, and you’ll need to enter the PUK unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.

    Phone Security Code:
    This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a “new” SIM card if the phone security code is entered. To reset it, you need the Master code:

    Master Reset Code

    Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security Code wrongly too many times.

    Are you sure it’s the Security code you need?

    Special Code/Service Provider Lock Code:

    This code is required to allow a phone locked to a particular network's SIM cards to be used with a SIM card from another network. Orange and T-mobile lock handsets in this way, though O2 and Vodafone are beginning to lock PAYG and WAP handsets. The unlock code varies from individual handset to handset.


    This is not a security code, but it works like one! To help combat mobile phone thefts, the networks share a database of the IMEI (International Mobile Equipment Identity) of mobile phones that have been reported stolen. Once a phone is on this list, it will not be allowed to use any of the networks.

    This can be a risk if you buy a second-hand phone, because if it has been stolen, or if an unscrupulous seller makes an insurance claim after selling, the phone you bought in good faith may be permanently disabled.

    Be very careful to check the source of a second-hand phone!


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