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Go into ur phone settings, security settings, phone and sim. Scroll down to lock code.
To change the code to ur own, select it, and it will ask for the default lock code which is 12345. Once confirmed, it will ask u for ur new code which can be
4 or 5 digits. Pick something u wont forget. Then it will ask u to confirm it.
Done.
Now if ur phone has an autolock feature, u can set it by selecting it and selecting user defined and set a time, like 10 or 15 minutes, up to u. Ur phone will lock after
that set time of inactivity. U will still be able to take calls, but need to put the code in to do anything else. Code will be requested each time u turn ur phone on.
Depending on ur nokia, u may have remote lock feature. With this, u set a password, and if ur phone is stolen and ur worried that it hasnt autolocked, u can send that
password to ur phone from any other phone by sms and it locks it.
U may also have the feature to have the phone lock if the simcard is changed and u can enable that too.
Finally, u have pin lock. This locks ur sim card, even if a theif takes it out and puts it in another phone, the code will be required to use ur sim.
To change the pin code, its the same as the lock code change, but the default code u need to put in first is different. Its usually 00000 but if that doesnt work, select
cancel, and call ur service provider, they will give u their sim pin default code, and after uv done that, select pin request on, and it will ask for a code every time u
turn ur phone on.
Its a good idea to make ur pin and lock code the same so u just enter them consecutively on start up
Hope this helps. [answer taken from Yahoo.answers]

Jan 22, 2014 | Nokia Cell Phones

3 Answers

I can't change my security code hw can i change it ? it is 12345 the dafualt one , and i want to change it how ?


I suggest you leave the security code alone, it is used to clear the phone call logs etc.
I recommend to put a pin code on the SIM card to lock your phone's keyboard. When you open your phone or unlock the keypad to access the phone's menu etc. then you need to enter the 4 digit pin code. This also prevents anyone accessing your phone unless they have this pin code.

Sep 09, 2011 | Nokia Classic 2700 Cell Phone

2 Answers

Sony ericsson w302 lock sye sim card lock i dont no problem.


Make the FixYa experience better for everyone by voting.

Hi,

My name is Ben and I'm your guru, i.e., mentor, an influential teacher or popular expert: a management guru. - origin from Sanskrit, 'weighty, grave' for today.

PUK Codes

A PUK (PIN Unlock Key) code is required to unlock SIM cards that have become locked following three successive incorrect PIN entries. If your SIM card becomes locked, you will need to get a PUK code from AT&T to unlock your SIM card.

Since I don't know the name of you carrier, I'm using AT&T as an example. Most carriers use the same methodology though the wording may be different.

You can obtain your phone's PUK code from AT&T in one of these ways:

• Log in to myAT&T online
• Use our Technical Support Chat.
• Contact Customer Care


To get your phone's PUK code online:

? Log in to myAT&T.
? From the myAT&T tab at the top of the page, hover over the Wireless link and select Phone/Device under the My Wireless Service heading.
? From the My Phone/Device screen, select the Unblock SIM Card link under the My Make & Model heading.
? The Unblock SIM screen will display your PUK code and will give you instructions for unblocking your SIM Card.

Once you receive your PUK code, you will need to enter it into your phone to set a new PIN code.

Note: If you enter the wrong PUK code 10 times in a row, your SIM card will be invalidated, and you will need to purchase a new SIM Card. The phone will display the following error: "PUK blocked call operator."

You can also do it without any assistance from anyone, However, be sure to read the following carefully because there are pitfalls.

Although most people remember their primary SIM PIN code, those other codes - used for various verification purposes - are never to be found when needed. Below we've included a set of short codes which, when entered on a handset's standby screen, will let you easily change PIN and PUK (short for Pin Unlock Code) codes - but keep in mind, they may not work with all handsets and mobile operators. If you are interested in a software fix, click on the following link: Universal SIM Lock Remover

More importantly, when changing ones PUK codes there'll be no help to get from the mobile operator if the new codes are forgotten, so make sure to write any changes down alongside the old PUK codes. Also, please note that the codes should be entered without the spaces shown below.

Change SIM Card PIN
** 04 * old PIN * new PIN * new PIN #

Change SIM Card PIN 2 (Write down the new code)
** 042 * old PIN * new PIN * new PIN #

Change SIM Card PUK (Write down the new code)
** 05 * old PUK * new PUK * new PUK #

Change SIM Card PUK 2 (Write down the new code)
** 052 * old PUK * new PUK * new PUK #

Display Handset IMEI
*# 06 #

This was wordy but hopefully it helped you.

Ben

*# 06 #

This was wordy but hopefully it helped you.

Ben

Aug 17, 2011 | Sony Ericsson W302 Silver +512MB by Fedex...

1 Answer

I reconfigure my mail setting then asked me lock code i clicked yes then my mobile lock . please can you tell me locl code.


Hi

The default lock code is 12345.


If you changed it and forgot the security code please contacts your device dealer. They will reinstall the software fully and they will bring your mobile to default security code so that you can open your phone.

NOTE: While reinstalling the software all your contacts will be deleted.

This security lock prevents thieves from being able to make use of stolen handsets, that is why it can only be unlocked by authorised service centres.

While reinstall the software, device dealer will ask for your personal details to check whether the mobile belongs to you only. If they are satisfied with your answers they will start the process.


The default PIN code is 0000.


If you changed it and forgot the PIN code please contact your service provider. They will provide you the default PIN code so that you can use your phone.

While you get the PIN code, service provider will ask for your personal details to check whether the mobile belongs to you only. If they are satisfied with your answers they will provide with the PIN code

This PIN code is FREE. You no need to pay any sum to get the PIN code


Thank You

Aug 17, 2010 | Nokia E63 Cell Phone

1 Answer

I locked my phone and changed the sim but now I cannot unlock it as I forgot the phone unlock code. So I would like to find out how to reset the phone to the factory settings.


Hi,

The default PIN code is 0000.

If you changed it and forgot the PIN code please contact your service provider. They will provide you the default PIN code so that you can use your phone.

While you get the PIN code, service provider will ask for your personal details to check whether the mobile belongs to you only. If they are satisfied with your answers they will provide with the PIN code

This PIN code is FREE. You no need to pay any sum to get the PIN code

The default lock code is 12345.

If you changed it and forgot the security code please contacts your device dealer. They will provide you the default security code so that you can open your phone.

While you get the security code, device dealer will ask for your personal details to check whether the mobile belongs to you only. If they are satisfied with your answers they will provide with the security code

This security code is FREE. You no need to pay any sum to get the security code


Thank You

Aug 08, 2010 | Cell Phones

1 Answer

Pin code for garmin nuvi 260


Find out where your "friend" did the code. If you don't know what it is, then you have to go back to that exact location where they did it and it will automatically unlock it for you. Then you can follow the instructions below:

Answer: If you can remember the PIN Code previously set on your device you will be able to change the Pin on your device easily. You can change the PIN on the unit by doing the following:
Zumo's, Street Pilot Cxx, Nuvi 3xx, 6xx
  1. Turn your device on
  2. Touch the Spanner symbol
  3. Touch System
  4. Touch On/Off next to Garmin Lock
Within this section you can add or change a PIN.
All Nuvi's excluding 3xx and 6xx
  1. Turn your device on
  2. Touch Tools
  3. Touch Settings
  4. Touch Security
  5. Touch On/Off under Garmin Lock
Within this section you can add or change a PIN.

When the Garmin security lock is set it locates the units current GPS location.
If you are trying to change the Garmin Lock and are not within the same location to where the Garmin Lock was set you will need to revert back to this GPS position.

Once at this position you will not be prompted to enter the PIN Code when starting the device up and can change the code as you please.

Mar 31, 2009 | Garmin nuvi 260W GPS Receiver

1 Answer

Child put in random code and locked nuvi 260 gps


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All Nuvi's excluding 3xx and 6xx
  1. Turn your device on
  2. Touch Tools
  3. Touch Settings
  4. Touch Security
  5. Touch On/Off under Garmin Lock
Within this section you can add or change a PIN.

When the Garmin security lock is set it locates the units current GPS location.
If you are trying to change the Garmin Lock and are not within the same location to where the Garmin Lock was set you will need to revert back to this GPS position.

Once at this position you will not be prompted to enter the PIN Code when starting the device up and can change the code as you please

Mar 14, 2009 | Garmin Nuvi 200w 250w 260w 580 660 670 680...

1 Answer

Master Pin Code


hi
menu > settings > security > change lock code > apply master code in place of lock code and press ok > enter new code what you want

Jan 22, 2009 | Nokia 6234 Cellular Phone

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

1 Answer

I forgot my 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 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.

Mar 14, 2008 | Nokia N73 Cellular Phone

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