How can I unlock Nokia Lumia 521 without using sim card?

  • Thread starter WPCentral Question
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WPCentral Question

i tried to unlock my nokia lumia 521 without using sim card i followed the instruction by entering first a certain code without using sim card which the instruction says this code will open a window to enable me to enter the unlock code in , but no window opened so what can i do to solve this problem
 

BaritoneGuy

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Jun 20, 2012
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Re: how can i unlock nokia lumia 521 without using sim card

I am not sure you can, but it should work with virtually any SIM card. Do you have an old one to try from a different carrier than the one it is locked to?
 

kmok

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Feb 1, 2014
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Re: how can i unlock nokia lumia 521 without using sim card

What code did you enter? Entering ##7820# into the dialer like you're making a phone call should bring the menu up. Inserting an AT&T SIM card or MVNO (Net10, cricket, straight talk, etc.) that uses AT&T's network should also make the menu come up.
 

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