T-Mobile data card - what to do with it?

Hi,

I have a 12 month contract with T-Mobile for a high speed data card -
the one that gives access to the internet.

The contract is due to end quite soon and my daughter will not need it
when she returns to Uni in September as her new accomodation has
broadband.

I am currently paying 20 quid a month for what seems to have been
unlimited access to the internet, but really don't see the point in
forking this money out after September.

What can I do with the card? Is it possible to use it on some sort of
PAYG basis, thereby saving me the 20 quid? Or are my only options to
either keep it in case it may be of use in the future or sell it on
eBay?

--
Cheers

Peter

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