A black Nokia 51 Plus features a 5.8‑inch HD+ IPS screen, dual 13 MP rear cameras, an 8 MP selfie lens, and runs Android Oreo on a 1.8 GHz octa‑core chip with 3 GB RAM, 32 GB storage expandable to 400 GB via microSD. It includes fingerprint unlock, dual‑SIM standby, 4G LTE, GPS, Bluetooth 4.2, Wi‑Fi ac, a 3060 mAh battery, USB‑C charging and a 3.5 mm headphone jack.