In order to create a Native SegWit account, you will need to be using a Bitcoin or Liquid wallet with Singlesig as the security policy.
SegWit accounts allow you to segregate your funds and receive on bech32 native SegWit addresses (-bc1 prefix). This account type ensures cheaper transactions when sending bitcoin, but not all services support bech32 addresses yet.
Mobile
1.
- Tap the gear icon on the home wallet screen and select Create Account
- Select Show advanced options and choose SegWit