Design and Build
The Karbonn S1 Titanium sports dimensions of 134.6 x 66 x 9.3 mm, which give it a compact form fitting comfortably in the user's hand. Although its weight isn't specified, its size and the materials used suggest a lightweight design, typical for phones in its category at the time. It facilitates dual SIM usage, accommodating Mini-SIM cards which were quite popular in that era. The device was available in classic Black and White color options, catering to different aesthetic preferences.