Yamaha TW-E3C True Wireless Earbuds (Red) - Manual (Page 52)

NOTE
Initializing the earbuds (performing a factory reset) restores all of the earbud settings to their factory defaults. As this deletes all
information for devices registered (paired), you must register (pair) the devices again.
Related links
( “Pairing for the First Time” (p.19)
( “About the “Headphone Control” app” (p.36)
( “App settings” (p.37)
52
Troubleshooting > Updating the firmware