Caterpillar B15 Software Update
The Cat B15 is an Android smartphone that has a rugged IP67 certification which means it can survive in 1 meter of water for 30 minutes and also is resistant to dust. At the same time, the device is protected by its casing which is made of silver anodized aluminum and shock absorbent rubber. The Cat B15 is equipped with a 4 inch WVGA display made of Gorilla Glass, with a dual-core 1GHz MediaTek MT6577 processor under the hood. 512MB of RAM is on board with 4GB of native storage that can be expanded by using the microSD slot on the phone. Android 4.1 is installed out of the box. Display • Display size: • 4.0 inches • Resolution: • 480 x 800 pixels • Pixel density: Pixel density - The pixel density of a display represents the number of pixels over an area of one inch.
Software Update For Android
It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is. • 233 ppi • Technology: Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. 
The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes.