[Q] How many charger pins? topic

Hi,

Yesterday I used my Note 4 charger on other phone, and I heard a "click" when I plugged it, now I think I damage it. I searched but didn't find how many pins the charger has.
So, I would appreciate if anyone can take a picture of the charger pins or tell me if mine is normal.

Thank you.

PS: Sorry about my english grammar.

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