I factory reset my Lumia 640, where can I get the product key?

[Windows Central Question]

i factory reset my lumina640 phone and now it is askim

how can i get product code key for lumina 640

 

[milandjordjevic8]

Re: i factory reset my lumina640 phone and now it is askim

What? I don't understand? System +info...

Sent from mTalk

 

[RumoredNow]

Re: i factory reset my lumina640 phone and now it is askim

Is it asking for an activation code?
Try this: https://support.microsoft.com/en-us/kb/2431699


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