Question about Samsung SGH-U600

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My gsm sim card was lock

Was lock

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Use unlock code to remove the lock from your Sim in Samsung SGH-U600. Contact your service provider to get the code. If they failed to provide the code get it from the site Theunlockarena.com ,and unlock it using unlocking instructions which is given in the site itself.

Posted on Jul 23, 2013

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Posted on Jan 02, 2017

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1 Answer

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Do you want to unlock your Alcatel one touch from network lock ? In which network your phone is locked to ? Use unlock code to unlock your phone from network lock . You can get code from any of the online vendors like Unlock-Zone.com to unlock it . After unlocking your phone, you can use any of the GSM sim cards internationally . If your phone supports for both GSM and CDMA sim card , you can use Boost mobile . If your phone accepts only GSM sim card , you can't use Boost mobile sim card with it .


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Tip

There is another Solution to get out sim card error / Invalid sim card from...


How to correct sim card error / insert sim card

Procedure to follow


Step 1: Check the sim tray or sim seater to see if it it broken, if it is, replace it
Step 2: If the sim seater/tray is not broken, clean the entire terminal.
Step 3: If the sim seater/tray is not directly on the board, trace the broken led and solder it, or you replace the broken led with another sim tray.
Step 4: If it is still not working, change the battery and put a new battery, because a virus infected battery will always give such problem.
Step 5: Finally, if the problem still persist, then check the sim card and replace with another sim card if the former is bad because a bad sim card will always display such message as insert sim card or sim card error.

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1 Answer

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Did you mean your Samsung S8000 Jet phone displaying invalid Sim card?You need to unlock it from current network lock,to use other network sim card.Visit the site Mobileunlocksolutions.com get unlock code and unlock it easily.Then use with any GSM network sim card.Check whether unlock code is available for your network and country.If it is available get it and unlock it.You can unlock only GSM network locked phone.You cannot unlock CDMA network locked phone.After unlock your phone you can use any GSM network sim card in it.You cannot use any CDMA network sim card in it.

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