Hi ​@Sygocka, 

Thank you for getting in touch, and I’m sorry to hear that you’re having trouble activating your replacement SIM card. I understand how frustrating this must be, especially if you’re currently unable to use your mobile service.

If you’ve tried activating the replacement SIM through the iD Mobile app but it isn’t working, please contact our Live Chat team for further assistance. They’ll be able to check the SIM activation status and guide you through the next steps.

You can reach Live Chat here: https://www.idmobile.co.uk/live-chat.

We apologise for the inconvenience and appreciate your patience while we help you get your replacement SIM activated.

Owethu