How do i change Themes? Updated June 02, 2017 07:50 Follow Navigate to Menu tab (upper left corner) > Settings > Appearance >Theme. 1.) 2.) 3.) Related articles What is Professional and how do I buy it? How to make Truecaller your default dialer Introducing Truecaller 8 for Android with SMS capabilities and a brand new look! Who can see my personal profile photos of my contacts? How to unblock a phone number? Comments 0 comments Please sign in to leave a comment.