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What is sim crash? I have a problem with samsung mobile, model no is SGH-X640. Is it possible that it only takes 2g sim card? That's why is shows sim crash.... The sim card is from Three mobile (Australia carrier). Pla advise what should i do? Thanks. Sam.

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  • Felicia Neo Feb 04, 2009

    Exact same problem too, looking for solution. Did you find any?

  • Anonymous Feb 04, 2009

    I have the exact same problem; using 3 SIM card from Australia on Samsung SGH-D880. Anyone any ideas please?

  • Beth Snyder Mar 26, 2009

    I want to put a newer sim card in am older phone...when I do it says 'sim crash' anyone know how to fix that?!

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Same issue damn Att&t

Posted on Apr 12, 2010

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Posted on Jan 02, 2017

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AI WONT UNLOCK MY SAMSUSNG E350


Not sure what Al is? But here's the info to unlock that make and model of phone, 2 ways to unlock the phone- Warning: Do not enter any wrong unlock unlock codes on your Samsung SGH-E350 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable. Method 1: 1 - Switch ON your Samsung SGH-E350 with a NOT ACCEPTED SIM Card. 2 - Samsung SGH-E350 will ask for "Password". 3 - Enter the Unlock Code. OR (if the Samsung SGH-E350 shows "Insert Correct SIM Card") Method 2: 1 - Switch ON your Samsung SGH-E350 with a NOT ACCEPTED SIM Card. 2 - Don't bother about what's being displayed on your Samsung SGH-E350. 3 - Compose : #0111*CODE#. NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung SGH-E350 is locked to. CODE: Its the unique Unlock Code for your Samsung SGH-E350. If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung SGH-E350. *** and this would be a valid unlock code- *2767*3855# IT RESETS THE MEMORY.MIGHT WORK WITH OTHER SAMSUNG MODELS.WILL NOT HARM YOUR PHONE. ~good luck~

Mar 01, 2013 | Samsung SGH-E350 Cellular Phone

2 Answers

How to unlock samung comeback sght-559 353086/03/015144/5


You can Unlock the samsung Comback SGH-T559 Model Phone using the Unlock code,You can get the Unlock code and instructions at here
moz-screenshot-50.pngMobile-unlocker.com and Unlock it,then use with any GSM Network sim card....

Unlocking instructions:

Warning : Do not enter any wrong unlock codes on your Samsung SGH-T559 Comeback mobile phones. If you enter over a certain amount of wrong unlock codes on your Samsung SGH-T559 Comeback mobile phone, your phone may get hard locked and sometimes become unusable.
Method 1:

1 - Switch ON your Samsung SGH-T559 Comeback with a NOT ACCEPTED SIM Card.
2 - Samsung SGH-T559 Comeback will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung SGH-T559 Comeback shows "Insert Correct SIM Card")

Method 2:

1 - Switch ON your Samsung SGH-T559 Comeback with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung SGH-T559 Comeback.
3 - Compose : #0111*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung SGH-T559 Comeback is locked to.
CODE: Its the unique Unlock Code for your Samsung SGH-T559 Comeback.

If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung SGH-T559 Comeback.

Aug 31, 2011 | Samsung Comeback Cell Phone

1 Answer

HOW CAN I UNLOCK SAMSUNG SGH-A777


To Unlock the samsung SGH A777 model Phone use the Unlock code ..get the Unlock code from here Onlinegsmunlock
and Unlock it from Network Lock...

Samsung SGH-A777 Unlocking Instructions Warning : Do not enter any wrong unlock codes on your Samsung SGH-A777 mobile phones. If you enter over a certain amount of wrong unlock codes on your Samsung SGH-A777 mobile phone, your phone may get hard locked and sometimes become unusable.
Method 1:

1 - Switch ON your Samsung SGH-A777 with a NOT ACCEPTED SIM Card.
2 - Samsung SGH-A777 will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung SGH-A777 shows "Insert Correct SIM Card")

Method 2:

1 - Switch ON your Samsung SGH-A777 with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung SGH-A777.
3 - Compose : #0111*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung SGH-A777 is locked to.
CODE: Its the unique Unlock Code for your Samsung SGH-A777.

If method 2 does not work, you can try method 2 again but this time wi

Jul 25, 2011 | Samsung Cell Phones

4 Answers

How can I unfreeze my sgh-x640? Please help me!


For the good unfreeze code for your Samsung model mobile, get from this site http://www.prounlocking.com/samsung-sgh-x640/rs8wp9/
It has the some better instructions and new methods for unlocking mobile phones.........

Jun 01, 2011 | Cell Phones

1 Answer

DEAR SIR,I ENTERD THIS CODE.-#*7337# IN SAMSUNG E250 SGH MODEL.after entered this code my mobile do not accept any sim card.It shows error massage is THE EEPROM HAS RESET. SIR,plz give me solution for...


DEAR SIR,I ENTERD THIS CODE.-#*7337# IN SAMSUNG E250 SGH MODEL.after entered this code my mobile do not accept any sim card.It shows error massage is THE EEPROM HAS RESET. SIR,plz give me solution for regarding that.

Jan 16, 2011 | O2 Samsung SGH-E250 Cellular Phone

2 Answers

GPRS interner service how enable at samsung x640 mobile


hi use aircel internet it's just Rs.97 per month unlimited internet
just by an aircel sim and recharge with Rs.97 internet will activate on your cell and the settings will be sent to your cell

Apr 28, 2009 | Samsung X640 Pink Color Cellular Mobile...

1 Answer

I need a code to unlock my SGH-D415 t-mobile cellphone


HI HERE IS A SOLUTION CAREFULLY FOLLOW IT Warning: Do not enter any wrong unlock unlock codes on your Samsung SGH-D415 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.

1 - Switch ON your Samsung SGH-D415 mobile phone with a NOT ACCEPTED SIM Card.
2 - Compose : #7465625*638*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung SGH-D415 mobile phone is locked to.
CODE: Its the unique Unlock Code for your Samsung SGH-D415 mobile phone.

If it does not work, you can try these methods:
Method 1:

1 - Switch ON your Samsung SGH-D415 mobile phone with a NOT ACCEPTED SIM Card.
2 - ;;Phone;; will ask for "Password".
3 - Enter the Unlock Code.

OR (if the Samsung SGH-D415 mobile phone shows "Insert Correct SIM Card")

Method 2:

1 - Switch ON your Samsung SGH-D415 mobile phone with a NOT ACCEPTED SIM Card.
2 - Don't bother about what's being displayed on your Samsung SGH-D415 mobile phone.
3 - Compose : #0111*CODE#.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Samsung SGH-D415 mobile phone is locked to.
CODE: Its the unique Unlock Code for your Samsung SGH-D415 mobile phone.

If method 2 does not work, you can try method 2 again but this time without any SIM card on your Samsung SGH-D415 mobile phone.

Each Samsung SGH-D415 mobile phone has an unique unlock code. You can buy the unique unlock code for your Samsung SGH-D415 mobile phone at www.mobileunlocksolutions.com. HOPE YOU SUCCESSFULLY DO.... PLEASE RATE ME THANK YOU

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1 Answer

I have a T-mobile sim and I need to unlock my Samsung SGH-D407.


WOW! what a process! I don't know how you kept track of all that but , good job! Try this. It's a maybe, but better than nothing,

TEMPORARY UNLOCK:
Put a non-accepted SIM Card and turn it on. Type *#9998*3323#. Press Exit. You will get a new menu. Select Malloc Fail.

In newer phones:
#*7337#

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Take the SIM-card out. It's important that the SIM card IS NOT in the phone, during the following steps!!

Turn on your phone without the SIM-card

Enter *2767*3855#

Insert the new SIM-card, and see if it is unlocked

Dec 09, 2008 | Samsung SGH-X660 Cellular Phone

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