We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
Running via a proprietary operating system, the ZTE Z431 is a feature phone modeling a 2.4-inch TFT LCD display with 320 x 240 pixel native resolution and a 1000 mAh battery. Additional features include 52MB internal storage, a microSD media slot (for up to 32GB storage and expansion), a 2-megapixel rear-facing camera, GPS, as well as USB and Bluetooth 2.1 connectivity options.
February 20th, 2013
2.4-inch TFT LCD Display
320 x 240 Pixel Native Resolution
1000 mAh Battery
52MB Internal Storage
microSD Media Slot