Design and Build
The Haier Z7100 is notable for its compactness, with dimensions of 76 x 40 x 20 mm and a weight of just 73 grams. This makes it extremely portable, fitting easily into pockets without being cumbersome. The phone adopts a traditional candy bar form factor, featuring a simple and minimalistic design. It utilizes a Mini-SIM card, common for its era. The phone was available in three colors—Silver, Red, and Blue—offering a degree of personalization for users.