The 20 GB for $20 Data Plus option is only available on the $28 /mo Base Plan.
The deactivation of the Plus option will take effect from the 1st day of the next month, as you’ll have already paid in advance and in full for this month. You can unsubscribe anytime during a given month and it’s totally free. Meanwhile, the data provided by the 20 GB for $20 Plus option will still be available for use on your plan!
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