I am going to upgrade from a sim only plan to a new phone / sim contract. The price is cheaper through Carphone warehouse, if I go ahead do I get a new SIM card, or do I just swap my sim into the new phone? I want to retain my phone number.

If it’s classed as a network upgrade you will keep the same number and SIM and just put it into the new handset.If it’s a new connection with a new number then you will have to give 30 days notice to cancel your existing iD (may be subject to early termination fees if still in contract)You won’t be able to transfer your old number from iD to a new iD connection directly and if you wanted to keep your number you would have to port it to another network PAYG SIM and then port it back again.Have you checked the iD app for your upgrade options?You can also call the sales team on02071391397 between 9am-6pm Monday-Friday, and they should be able to help further.

Hey there @Henrybp, thank you for your question.If you wish to keep your number with us directly, you will need to order an upgrade via the iD Mobile app/website. If you order a new plan via Carphone Warehouse, this would not be an upgrade, and you wouldn’t keep your number directly.If you’re unhappy with upgrade deals, please call our sales team via the time-frames and the phone number sent above by @MZone.Thanks,Tyler

Upgrade, what to expect. | 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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