12 months and exactly as Wigwam says.
Purchased a 3 sim and it was literally plug and play.
The Volvo app does however run out after 3 years, so with things as they currently are, will be looking to renew this.
2024 - BMW i4 Grand Coupe eDrive 35 Sport
2020 - Volvo XC40 T4 Inscription
2017 - Audi Q3 TFSi Sport S-Tronic