Oukitel WP21 Ultra official Pictures. Oukitel WP21 Ultra is a Smartphone of oukitel. The Oukitel WP21 Ultra Android Smartphone. Announced Mar 2023. Features 6.78″ Display MT8781 Helio G99 Chipset 9800 MAh Battery 256 GB Storage 12 GB RAM MIL-STD-810H Compliant. Oukitel WP21 Ultra price starts.