15.How to reset my WH6X to the default settings on the base?
When you reset your WH6X, previously paired devices and settings will be cleared.
For WH62/WH63:
1. Hold the PC button and Phone button for 6 seconds.
For WH66/WH67:
16.How to reset my WH6X to the default settings using Yealink
USB Connect?
Prerequisites
The firmware version of Yealink USB Connect should be 0.32.69.0 or later.
Procedure