iD Pay Monthly SIM Only
GoTo (4G) - 1 month
Data Rollover is a free feature on all iD GoTo plans. It automatically rolls over unused monthly data into your next month's allowance, giving you a second chance to use it.
Your Pay Monthly plan will be adjusted every year by the rate of inflation.
Best Value Data Deal
As good as the plusnet but this has data rollover! Officially no tethering but id mobile says doesn't care if you tether just that is uses your allowances up quicker!
TCB gives £5.25 off so over three months the minimum you need to stay to get cashback is £24.75 effective cost £8.25