If you are unable to hear a caller when they talk, your internal earpiece speaker is broken and this is the replacement part you require

High quality OEM earpiece speaker replacement for iPhone 6s

Each item has been checked and in good condition before shipping

This is not an easy job for someone who has no technical skills with Disassembling or Assembling Cellphones/mobile phones, so only purchase this item if you know how to install it

Highly recommend professional installation. We will not be held responsible for any damages to your cellphone/mobile phone that you may cause during the changing of replacement part