Yezz Billy 4 phone was announced in 2014, June. Released 2014, October by Yezz and was launched in October, 2014. The Yezz Billy 4 phone has 122.5 x 64.4 x 9.9 mm (4.82 x 2.54 x 0.39 in) (height x width x thickness) dimensions with weight 109 g (3.84 oz) grams. It comes in White, Black, Red, Gun Metal, Blue, Yellow and Champing Gold colors.
The operating system which runs on the phone is Microsoft Windows Phone 8.1. The display size of the phone is 4.0 inches, 45.5 cm2 (~57.7% screen-to-body ratio) with resolution of 480 x 800 pixels, 5:3 ratio (~233 ppi density) pixels. The network technology of the phone is GSM / HSPA with 2G bands GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2, 3G bands HSDPA 850 / 1900 – SIM 1 & SIM 2 – BM4MI043 and 4G bands .
The phone has rear camera with specs, 8 MP, AF and the front camera with specs , 1.3 MP. The camera is featured with LED flash. The phone is powered with a battery of 1300 mAh capacity, Quad-core 1.2 GHz Cortex-A7 CPU and Adreno 302 GPU. As for as the RAM and the ROM of the Yezz Billy 4 phone are concerned, it comes with 4GB 512MB RAM. The list of sensors, price and many other specifications are given below.