I recently purchased a new SIM only plan for £15 a month via a website and not through my current account and I can’t seem to find a way to link it up to my current account despite the fact that my mobile number and bank details are the same

Hi @Belle_starrIf you’ve purchased a new plan, you’d pay separately for it. It’d be a completely new, separate plan.If you wanted to upgrade, we’d recommend using the iD Mobile app to explore options there.Tom

Where did you buy it from? I ask because if it is USwitch, then they will just direct you to the ID mobile website to complete the sale. Using their link gives you the discount that is otherwise not available on the main website

purchased new plan | iD Mobile Community

To enter this promotion, participants must register with the iD Mobile Community and provide an answer to the question on the corresponding topic thread: “How to use smart tech to keep your New Year resolutions on track.”

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The closing date for entries is 23:59 on 19th January 2026. One prize will be awarded: THERABODY Theragun Prime G5 Handheld Smart Percussive Therapy Device - Black.

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