Can I use a 5G sim card in a 4G phone

You’ll need to swap to a 5G sim . The good news is they’re the same size and shape as our other sims, so they’ll simply pop into your new 5G phone. If you’ve got your 5G sim already you can set up your sim swap here.

To access Standalone 5G, the SIM card in your compatible 5G device must be Standalone 5G capable .

The straightforward answer is yes. It will work and connect to data; however, you will not get access to the 5G network . In short, there will be some limitations. If you want to get all the experience about connecting to the 5G network, you will need to get a new SIM card.30 Kas 2021