Do I need to change my existing plan or switch to a 4G SIM card?

If your current devices are 4G ready, you may continue to enjoy the service without having to change plans or devices. You may switch to a new plan if you are signing up for a new device contract that comes with a plan upgrade. To check if your SIM is 4G-friendly type LTE and SMS to 20000. Should you need a replacement, just visit your nearest Digi Store to upgrade your SIM now.