How get to unlock screen without SIM

stocktiki

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Nov 17, 2014
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Just got the unlock code from my carrier (Cricket) for my Lumia 640. I'd like to unlock it - without removing the SIM and putting in one from another network.
My old Lumia's always let me enter ##782# - to get to the unlock screen - from which I'd enter the unlock code. But this command doesn't seem to work on the Lumia 640.
Anyone know of another way to get to the unlock screen?
Thanks!
 

libra89

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Feb 6, 2015
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Wait, I don't know if that is possible (but not sure). What was your old Lumia(s) running? It could be different with lumia denim?
 

geekfiredog

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Nov 9, 2015
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The correct code to bring up unlock screen is ##7820# - you missed out a "0" in the code.

Got these codes from another forum
*#06# to retrieve the IMEI
##634# for color variant + life time counter
##7820# for unlock menu
##3282# for field test menu
 

LumiaGuy

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Aug 23, 2013
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With my Lumia 520, when I enter ##7820#, the screen shows a unlocked padlock and the box below to enter text in does not respond to bring up the keyboard to enter text. Am I doing something wrong or is my phone already unlocked?
 

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