Chosen Solution

No one can hear me, on phone call using phone, speaker, Skype, or even headphones. But I can hear them? I’ve tried recording myself and there’s no sound either. My phone is completely updated. I don’t understand.

Sounds like the Lightning dock iPhone 5c Lightning Connector Assembly Replacement iPhone 5c Lightning Connector and Headphone Jack You can likely find “cheaper” parts. Which will likely yield “cheaper” results