Question about LG CU400 Cellular Phone

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LG CU720 I want to unlock this LG Cu 720 so I can take my sim card and all info from my cell phone and put it in here and use it instead of buy a new cell. right now it has an at&t and I'm with t-mobile. Also, will i lose all my saved text messages, and my saved photos, and phone numbers when I put my sim card in this phone?????

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You can most of the LG phones using codes from http://www.mobileunlocksolutions.com/ , and you wont lose any of the data in your phone

Posted on Sep 25, 2010

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Try unlocking sites

Posted on Jan 20, 2011

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I put my sim card in cell phone lg gd510,,after put sim code...and after this appear usim locked,but i buyed it unlocked


It seems your LG still locked, go back to your seller and explain that so you can get new phone or they will give you lg gd510 unlock code to unlock that phone network. But i recommended to you to let them doing unlocking process so you just receive lg unlocked phone like they said in first deal.

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Hello, you can't simple change your old sim card with new sim card from another mobile provider without unlocking your phone first. You can request LG 900G unlock code from tracfrone and you must pay some bucks (up to $80) and wait for a couple of weeks before you get that unlock code. If you on tight budget or you want to saving up your money, you can buy lg unlock code from third party sites and you don't need to wait until a couple weeks to get that code. Just in a few minutes.

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I bought an at&t lg neon go phone. i already have an at&t go phone. I am trying to put my sim card into my new phone but it's saying invalid sim card. my other phone is still on but the sim card...


Hi there i think your new phone lock, you should buy a New Universal Cell Phone Turbo Sim Card Unlock GSM Card from ebay, it only cost $1.00 and can be use to unlock any cell phone its interesting i think you should try it.

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I was screwin around with the pin codes on my lg xenon and i locked the PUK code entry.. apparently i need to buy a new sim card? well i have another one but how do i make it work in my phone i put it in...


Your cell provider has to activate the new SIM card or unlock your old one. You'll have to contact the cell service provider's tech support to step you through the process.

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My LG xenon phone needing my PUK code it wont work


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Spring Mobile Service and Repair
555 Broadway unit 3 Denver CO 80203
720-274-2942

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PUK blocked permanantly


Just call your service provider and ask for the PUK code,They will have you read the # off the sim card and tell you the unlock code.

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LG Shine SIM card blocked


what is the ristriction code of lg 720
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Apr 11, 2009 | LG Shine 720 Cellular Phone

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Sorda


PUK means "personal unlocking key" .

The PUK code is asked if you enter a wrong pin 3 times.

You need to call the phone company that released the SIM card, they can retrieve the puk code from a database for free.

In your case you need to contact your SIM card provider technical support to unlock the SIM.


The PIN and PUK are related to the SIM card, not to the phone.

If you replace the SIM card with a different one, then the phone will not ask for the PUK anymore.

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Tranfering contacts between different sim cards & cell providers


Im afraid you cant do that by transfering ur Fido SIM to Rogers ( since d fone is locked on Rogers Network) one thing i could suggest is use d Bluetooth ( worked perfectly fine for me) Good Luck :)

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