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The credit card is used in case one goes over their allotted usage and auto renewal after your original period. Usage can be monitored via the My FP app to avoid usage. I have not been charged anything after supplying my credit card.
Sorry, there was a problem. Please try again later.It is if you want the roll over data not used each month or other add on packages. Also it allows you to set purchase of add on data if you want to use beyond your alloted limit. This is what I use it for. It will also auto renew when year up at normal price, but you can disable. One of the cheapest plans out there that I can find. Hope this helps. I bought a card for me and my wife and spent the extra on some of the addon and pleased so far 6 months in.
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