1.N9 100 is a public version, and dual card dual standby supports mobile and Unicom's 2G/3G/4G networks.
2.N9 106W is a Unicom 4G dual-card mobile phone, which supports Unicom 2G/3G/4G and mobile 2G networks.
3.N9 108V is a mobile 4G single card mobile phone, which supports mobile 2G/3G/4G and Unicom 2G networks.
4.N9 109W is a 4G dual-network dual-standby mobile phone, with card slot 1 supporting telecom 4G/3G/2G, and card slot 2 supporting mobile and Unicom 2G networks; N9 109W supports card 2 to surf the Internet.