speaker phone not workin

lisafrommelville Said:

"speaker phone not workin: speaker Phone not working iPhone 5SE 2nd gen upgraded last week to software version 15.1 since then when on a call I can’t switch to speaker the button says it’s on speaker but i can only heat thru ear"

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Go Here: If you Hear no Sound or Distorted Sound from your iPhone, iPad, or iPod touch Speaker - Apple Support