what is AC iphone in 5s stand for ??

hello apple

my iphone 5s is Immerses in the water and not working. i put it in rice for two days


after that , i go to maintenance in some store , he said you have to replace the part called AC in order to functioning well

what is AC , and its important to power on the device????


thank you

  • Asked about:  AirPort Extreme

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