What do I need to do to make sure I'm prepared? Happiness at Circles.Life Updated June 13, 2024 06:28 Follow You'll need to upgrade to a 4G/LTE or 5G-compatible phone and ensure that VoLTE is enabled to make voice calls. (Check the VoLTE Section here for more details) Consider upgrading your phone with the latest online mobile offers here. Related articles How do I know if I'm using a 3G-only phone or SIM card? Do I Need to Change My SIM Card? How will the 3G Network Shutdown affect me? How do I check that my device supports VOLTE? How do I enable VoLTE on my device?