Display and Navigation
Equipped with a 2.4-inch TFT display, the N78 presents visuals in 16 million colors, though with a modest resolution of 240 x 320 pixels. While the screen-to-body ratio stands at approximately 32.2%, which feels cramped by today's standards, the display is vibrant enough for basic tasks. A standout feature is the touch-sensitive Navi wheel, a precursor to modern touch navigation, allowing for intuitive menu browsing and phone operations.