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My phone is requesting for security code when i put another sim

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Contact your sim card service provider and ask for puc code

Posted on Oct 03, 2010

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Hie guys l have a nokia c3-00 that is requesting for a security soon after using another sim card its imei:355966/04/064161/8 how can l unlock it


Your Sim pin request is active so first try to put the previous sim and deactivate the pin code request by using 12345.If there is no effect the last thing you need to do is to contact mobile repairing shop.They can generate the current code or they can reset it to default.good luck

Feb 09, 2012 | Nokia Cell Phones

2 Answers

Hi.... i am using nokia 2690 how to lock the cell with password ???? plz guide me sir :(


Select Menu > Settings > Security and from the following options:
  • PIN code request or UPIN code request-to set the phone to ask for your PIN or UPIN code every time the phone is switched on. Some SIM cards do not allow the code request to be turned off.
  • Security level > Phone-to set the phone to ask for the security code whenever a new SIM card is inserted into the phone. If you select Memory, the phone asks for the security code when the SIM card memory is selected, and you want to change the memory in use.
  • Access codes-to change the security code (default code is 12345), PIN code, PIN2 code, or restriction password.

Jan 16, 2011 | Nokia 2630 Cell Phone (Unlocked) - Black

1 Answer

Since I bought the phone it has never requested for security code. Lately inserted a sim card and on switching on the phone, it requested for security code, and this applies to every sim inserted. I don't...


Your phone likely wants a PUK code. Learn about PUK here please: http://en.wikipedia.org/wiki/PUK_code

Please dont try to guess, you will damage your telephone or your SIM. The code is free and no one but your service provider can help you with this.

Dec 13, 2010 | Computers & Internet

1 Answer

Cell blocked


Securing your Shine
Secure your LG Shine and your account from thieves by locking your phone and your SIM card Losing a phone through accident or to a light-fingered thief is annoying, frustrating and potentially very costly, especially if the 'finder' uses your SIM card to make expensive calls. You can, however, lock both your phone and your SIM card with four-figure PIN numbers to prevent unauthorised use.
The first line of defence is to set a SIM card PIN. This means that whenever you turn on your handset you have to enter a PIN code before the SIM can be used. The default PIN code for your SIM is dependent upon your network; usually it will be found in a small booklet that came with the SIM card.
The PIN can be enabled, disabled or changed from the Security menu – but you only get three chances to enter it correctly. After those three, the SIM will get locked and can only be unlocked by entering the PUK (PIN Unlocking Key) which your network can give you. Enter the PUK incorrectly 10 times, and the SIM will be irrecoverably locked.
To activate a PIN code request, open the main menu by clicking on the scroll wheel. Click 9 to access the Settings menu and click 6 to enter the Security menu. The first item is PIN code request - click 1 or OK to open it. By default this will be set to off. To activate a PIN request, click 1; you'll now be prompted to enter the four-digit PIN. When you've done this, click OK, and if the pin was correct, you'll see the confirmation message 'Complete'.
To deactivate the PIN code request, you would simply select Off from the menu by pressing 2; you'll need to enter the PIN code whenever you change this setting.
PIN code request prevents another user from using your lost or stolen SIM card in their own phone. To lock your phone, and thus render it useless to a thief, you can activate Phone lock.
Two levels of handset locking are available. The first - called 'When power on' in the Phone lock menu - is to require an unlock code to be entered whenever the handset is switched on. This can be confusing and irritating when used together with the SIM PIN, so a second option is to only request the handset unlock code when the SIM card has been changed - called 'When SIM changed'. This means that if your phone is stolen, the thief can't use their own SIM card in it as the phone will need a PIN code to unlock.
To activate either option, go to the Security menu (clicking 9 for Settings and 6 for Security from the main menu) and click 2 to enter the Phone lock menu. Click 2 to activate When power on or 3 to activate When SIM changed. In either case you'll be prompted to enter the security code. By default this is 0000. Enter the code and click OK to confirm.
To change either code, go to the Security menu again (clicking 9 for Settings and 6 for Security from the main menu) and click 5 to enter the Change codes menu. To change the handset's security code, click 1 to select Security code, or to change the SIM PIN, click 2 to select PIN1 code. In either case you'll be prompted to enter the old code before entering the new code twice, clicking OK to confirm each time.

Jan 10, 2009 | LG Shine KE970 Cellular Phone

4 Answers

The master code to my Nokia 5300 phone


The default security code for Nokia is 12345
IMEI: 353095026615313
Master code: 0377253107
1/ Close all applications on your phone.
2/ With your phone switched ON, remove the battery.
3/ Remove the SIM card.
4/ Replace the battery without the SIM card.

5/ Switch your phone on.
6/ Type any security codes until the phone request the Master code.
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.

Read this:
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 Master code you need.

Sep 29, 2008 | Nokia 5300 Grey Cellular Phone

4 Answers

Forgot my security code


The default security code for Nokia is 12345
IMEI: 356438012346609
Master code: 0631367461
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, 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 via an unlock box to restore the Security code.

Sep 08, 2008 | Nokia N73 Cellular Phone

3 Answers

I have an N70, Do you happen to know the Master Reset Code


The default security code for Nokia is 12345
IMEI: 357968007960658
Master code: 7176552371
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.

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 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.

Jul 15, 2008 | Nokia N70 Cellular Phone

2 Answers

Hey raysag


If you've forgotten your Security code IE. your code is 54321, and you type 54231 or anything else, a few times, the phone will request the Master code which is used to reset the security code. Type any code 12845, 23105, 49521... keep going until the phone request the master code.
You're not confusing other codes, by any chance?
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 keyed (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 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 if the phone security code is entered. To reset it, you need the Mastercode 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.
Which is the one that you want?
Blacklisting
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!
635e4a4.jpg

Mar 27, 2008 | Nokia 6300 Cellular Phone

1 Answer

Lock code


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 this Pin number you need the:
Pin Unlock Code (PUK)
If you miss keyed (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 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 if the phone security code is entered.
To reset this Security number you need the:
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.
For IMEI 356404010441953 this is the Master Code:
3520316615 to use it:
You type in the security codes (any) until the phone request the Master code; when it does, leave your phone still, don't use it for 15 minutes, then type in the Master code.

Mar 25, 2008 | Nokia N73 Cellular Phone

4 Answers

Security code for 6133


Open phone, don't go to any menus. Dial *#7780# and press green send button. It will say if you would like to restore factory settings and say yes. Then it asks for a code. This is when you put 12345 and then press OK. This should help because it did for me.

GOOD LUCK!!

Jan 21, 2008 | Nokia 6133 Cellular Phone

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