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my M5 won't detect that I have plugged any headphones into it
i have tried cleaning it but it worked but when I unplugged the headphones and put them back in after it doesn't work anymore
is there any way of fixing it or will I have to get a replacement?
have you tested a different pair of headphones?
As for warranty info, only your Local support can assist you as this is a global user based forum.
i have tried 2 pairs of headphones and it doesn't work
you could repair the phone with XC that might solve the issue if it's software related