The device connects to the Vodacom network via an embedded Vodacom Smart SIM. A separate SIM card is not needed. 

This device can be used by any person in South Africa on the Vodacom network via the embedded Vodacom Smart SIM that comes with Linea.

Everything is managed in one app; the Linea+ app which is available in Apple App store and Google Play Store. It's not yet available in the Huawei App Gallery.