Is it possible to upgrade my existing mobile phone plan?

Yes, it is generally possible to upgrade an existing mobile phone plan with Optus World - Optus Shop. Customers often have the option to change their mobile plan to better suit their needs, whether that involves increasing data allowances, adding international roaming, or even switching to a different type of plan altogether. The process usually involves reviewing the available plans and selecting one that meets your requirements. In many cases, you may be able to retain your existing phone number while transitioning to a new plan. Upgrading your plan can also include options such as signing up for a new device or keeping your current phone, depending on the specific terms and conditions associated with the upgrade. It is important to note that some upgrades may come with certain fees or changes in contract length, so it is advisable to understand the implications of the upgrade thoroughly. To explore the options available for upgrading your plan, it would be beneficial to check the official Optus World - Optus Shop website, where details on current plans and the upgrade process can be found.