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My coral 450 is asking for phone lock code - Cell Phones

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justinisaacs
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Posted on Sep 08, 2010

  • 1 Answer

SOURCE: I want to use a

I had the same problem and when I contacted my service providers they advised me that the phone is a dual band meaning that it can work on tow different bandwidths but not two different network. you will have to get a quad band to use another sim card in it. even though it says duual band it can only operate on the network from which you purchased it.

Posted on Oct 11, 2010

bendarden
  • 984 Answers

SOURCE: I forgot my coral 255

Hi,

Let me give you a little background and then some solutions. This is generic because I don't know your carrier. I'm useing ATT as an example.

Phones are naturally unlocked, but a service provider might lock them

When originally manufactured, all GSM cell phones are unlocked. That is, they can be used with any SIM from any cellphone service provider - always assuming, of course, that the cellphone service provider has compatible GSM service on the same frequency bands that the phone can operate on.

Most cell phone service providers electronically 'lock' the phone so that it can only be used with their service. There are obvious reasons why they choose to do this - in particular, to force you to pay what are usually very high roaming charges when you take your phone out of their network and use it elsewhere in the world.

Fortunately, this locking is reversible. With some phones, it is possible to simply enter an unlocking password code into the phone and it is immediately then unlocked. Other phones need to be connected up to a special unlocking data terminal.

Your phone has to be unlocked by the carrier. LG, Motorala, Sony Ericsson, Nokia  and most of their ilk, will not give consumers the unlock codes but don't despair.

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 your carrier. For example, if you have AT&T to unlock your SIM card, you can obtain your phone's PUK code from AT&T by:

●        logging in to your myWireless Account online
●        using their Technical Support Chat
●        calling Customer Care at 1-800-331-0500

To get your phone's PUK code online from ATT:

●        Log in to your myWireless Account.
●        Select My Services under My Account.
●        From the My Services screen, select My Phone/Device.
●        Select Unblock SIM Card.
●        The Unblock SIM screen will display your PUK code.


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 ATT 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."
 
There are three other ways to unlock a phone:

●        The carrier will unlock the phone for you at one of its retail outlets;
●        You can do it yourself by clicking on this link Free Unlock Codes ,
●        Pay $3.89 at the following website:  www.theunlockshack.com/.

I trust that this is helpful and solves your problem. All the best

Ben

Posted on May 24, 2011

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What code is it asking? Phone lock code or Network unlock code?

For phone lock code you try searching at youtube.

And for network unlock code. I advise you order codes from this store: http://www.guaranteedunlock.com/zte_unlocking

But dont try free codes that may permanently lock your phone.

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unlock coral 255 for free

Posted by avatar10.jpgshalesh15 on Dec 19, 2010



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Solutions (5) Best Solution i forget my code

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First Try it:
You may try default phone and security code to remove restrictions.
ur defalt phones codes is 12345 or 00000 u can use it
Default 4 Digit user code: 1234 or 0000
Default 6 Digit Security code: 123456 or 000000
Default 6 Digit Security code: 000999 or 1122
Type *#06# at the mobile screen to know IMEI no of your mobile.
send the IMEI no to me and i will reply you with unlocking code.
If For puk & pin cod problem So Please
Very Best Solution:You Go To Service & Sim Office and Get The Puk code And Pin code From Office oprator
Enter The Puk code and Yes
Enter The pin code and Yes
So Puk code Open and Problem will Quickly Solved
OR:
When you place a new or a existing SIM card from another phone provider into your mobile phone and it asks for a Security code then :-
This phone is locked to the original mobile phone provider. You need to contact this mobile provider to ask for the unlock code (security code) for this phone. You need to provide proof of ownership etc and the phone's unique IMEI number which is located inside the phone under the battery. They use this number to generate the unlock code for your phone.
They should provide you with instructions on how to enter this code into the phone.
Once you unlock the phone, then you can insert a new SIM card in this phone or sign up with another phone provider using this phone.

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Visit the link it may help u.

http://forum.shaarpmind.com/showthread.php/118197-Coral-255-unlock-done?p=452795&viewfull=1

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