Motorola Moto E Service & Repair Manual page 100

4. Wrap the Audio Flex around top of PCB and
insert it into the Audio Flex ZIF Connector. Use
the white line as a guide for insertion depth.
5. Slide a fingertip across the Audio Flex ZIF
Connector Door to close it.
6. Apply Kapton Tape to the Audio Flex ZIF
Connector Door.