Display
Featuring a 4.0-inch TFT screen, the Karbonn A4 offers a resolution of 320 x 480 pixels, which translates to a modest pixel density of around 144 ppi. This means images and text are not particularly sharp or vivid, but the display is serviceable for tasks like messaging and basic browsing. The color reproduction is limited to 256K colors, which might appear dated but is reasonable given the phone's budget constraints.