In this article, we explain how you can change your existing rate plan.

Here's a step-by-step guide:

1. First, you need to log in to your customer portal.
2. Once you're logged in to your customer portal, you'll see the overview of your SIM cards / devices. Click "manage" on the affected SIM card / device.
3. Then, under "Your subscription", click "change".
4. Now click "Mobile subscriptions" or "Data-Only" and select your new subscription.
5. Finally, you can choose whether you want the monthly or yearly rate.