How do I change T9 language? Rohit Salian Tap on the Truecaller menu (top left corner)1. Tap on Settings 2. Language -> T9 Language 1.png (39.5 KB) 2.png (32.4 KB) Menu_bar.png (384 KB) Menu_button.png (4.62 KB) Setting_icon.png (6.38 KB)