You should sign out of your Yealink phone before resetting your Trine password. Below are the steps to sign out from your phone.
1. If you see a home button at the top left click that to move to the main screen. If you don't see a home button but rather your icon or initials move to step 2.
2. From the home screen on your phone, select the circle in the Top-Left with either your initials or your picture.
4. Scroll down on the settings screen and select Sign Out.
5. You can change your Trine password and sign back into your phone using the on-screen instructions.