The Nokia 800 Tough ships with KaiOS platform. Forked from Firefox OS, it is not a full-fledged smartphone OS but offers many apps and features on feature phones. Owing to this software, the Nokia 800 Tough lets you access essential apps and services such as WhatsApp, Facebook, and Google Maps. The phone is powered by Qualcomm's Snapdragon
205 chip. This 28 nm SoC (System on Chip) has a two 1.1 GHz Cortex-A7 cores fused with Adreno 304 GPU. The phone comes with 512 MB RAM and 4 GB internal storage. You can expand it by additional 32 GB via a hybrid slot.