I plugged my s20 in to charge and it said it was super fast charging but the charger makes quite a loud hissing buzzing noise.
Is this a dodgy charger or is it normal?
I've had the phone like a week and only just noticed it
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Its sat plugged in next to my chair so not overly close and its quite a loud buzz, I have the TV on and its loud enough to hear alongside that.
I'm a little worried its going to catch fire or something. But I've no idea really how much of a buzz/hiss is considered normal or when it starts to become out of the ordinary. I've never had one of these fast charging ones before.