£120 – Quidco
https://mobile-phones.quidco.com/sim-deals/?contractLengths=&minMinutes=100&maxMinutes=&minData=50000&maxData=&minTexts=0&maxTexts=&minMonthlyCost=0&maxMonthlyCost=85&minUpfrontCost=0&maxUpfrontCost=450&deviceCondition=&includeExistingCustomersHandset=false&includeResellers=true&networks=o2&manufacturers=&only5G=false&merchants=&handsetColours=&modelInternalStorage=&unlimitedData=false&unlimitedMinutes=false&unlimitedTexts=false&giftCategories=
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Find this O2 deal
Make your purchase following the link.
£12 Normal cashback and £30 bonus cashback on offer.
Once paid it will be £6.50pm effective cost.
Nice.