lg g4 proximity sensor

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When ever I make a phone call using my lg g4 the screen goes completely black and there is no way to get it to come back unless the other person hangs up. I've done some research and i found out that this has to do with the proximity sensor being uncalibrated. I tried following the steps online to fix this problem but the problem is that those steps are used on US models. I am wondering if anyone knows the code in order to access the hidden menu on the dialer for koodo or if you have a solution to this problem?
Thanks for your help.
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Noah Chauvin

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Posted 1 year ago

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Melissa, Employee

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Hey Noah! Our team will need to take a look at this issue further as we don't have any reports of this issue.  Can you send us a private message via Facebook/Twitter?  We will then be able to access your account and flag this issue to our technical support team for them to investigate further.  Thank you! 
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rikkster, Mobile Master

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I came across this code: *#546368#*810#
The 810 portion refers to an AT&T model LG G4. Substituting 810 with 812 (Canadian model LG G4) might work.
Code should look like this: *#546368#*812#
If successful, follow the instructions starting at post 16, XDA Developers (link below). If no success and if you haven't already done so, please follow Melissa's instructions.