@king73
You should be able to do this via the MySky app that you can install on your device if you are yet to do this.
Open the My Sky app on your phone. Tap on the Mobile tab. Select the SIM plan you want to change. Choose Manage SIM .Under the 'Plan and data settings' tile, tap Manage settings. Select Change your data plan .View the details of the new plan you want to move to and select Confirm..
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