Move over Three - Smarty's 25% discount on unlimited data SIM only deals is back

A few months ago, we saw lesser-known SIMO provider Smarty drop an offer to top the rest of the market - 25% off its unlimited data plan. And now, Smarty has brought it back, once again reclaiming its title of best unlimited data SIM only deal around.So what are you paying after that 25% cut to the price? This offer works out at just £18.75 per month. Down from £25, this is a pretty major saving for a complete lack of caps on your data usage.But, here's the great news. This deal does