Priced at Rs 2,599, JioPhone Prima 4G will support apps like WhatsApp, Facebook and YouTube.
Prima 4G dons a 2.4-inch TFT display with 320x240 pixel resolution.
Powered by ARM Cortex A53 processor, the phone will operate on KaiOS used by keypad phones.
With 512GB RAM, the memory can be expanded up to 128GB. It houses a 1,800mAh battery.