TOTUM members can get an iD Mobile SIM-only plan with unlimited data, texts and calls for £17 a month, plus £68 cashback, 90 days of McAfee, inclusive roaming and data rollover. Offer availability can change, so check the offer page before redeeming.

Open the offer through the TOTUM app or totum.com and follow the unique TOTUM offer link to Mobiles.co.uk. Complete the qualifying plan purchase through that journey, then follow the cashback-by-redemption claim schedule and instructions shown in your Mobiles.co.uk account.

This is an online offer. Start in the TOTUM app or on totum.com and continue through the unique offer link to Mobiles.co.uk to order the qualifying iD Mobile plan.

The offer applies to the specified iD Mobile SIM-only plan with unlimited UK data, minutes and texts. It also includes the advertised McAfee trial, roaming in eligible destinations and data rollover, subject to the plan terms.

A qualifying contract, eligibility and credit check apply, and the £68 cashback must be claimed according to Mobiles.co.uk's redemption schedule. Inclusive roaming is subject to eligible destinations and fair-use limits, including a maximum of 30GB of plan data while roaming; check the final tariff and claim dates before ordering.