O2 UK customers require a new SIM card to use 5G on the iPhone 12

Apple stores in the UK are providing O2 customers with new SIM cards with their iPhone 12 purchases so that they can use 5G on their new device. O2 has confirmed customers will need new SIM cards in order to take advantage of the new technology.

Source: O2 UK customers require a new SIM card to use 5G on the iPhone 12