Hi I’ve just taken out a 2nd plan. I’ve just switched to Tesco number to iD Mobile thinking my Tesco sim would then work with my new contract - it is connecting to the internet but not data, and send or receive calls or texts. I went to register the 2nd plan on my app to see if I could fix it this way, but it’s trying to text a one-time passcode which obviously won’t work as the phone can’t receive calls or texts. So, I went to Curry’s today to get an ID Sim, but can’t register it to my app still because I can’t add the 2nd plan to my app. I’m completely stuck with how to resolve this, please help. Thank you.

Hi @ClaireyDWe’re very sorry to hear this.In order to activate the SIM, please see the link below:https://my.idmobile.co.uk/activate-sim-outsidePlease let us know how you get on.Anika

Adding a 2nd plan when you've switched your old number to your new plan and now old sim won't receive your one-time passcode

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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