Check whether your phone supports 5G
Check whether your SIM card is 5G-ready
Contact your mobile network provider
Request a 5G SIM replacement if needed
Visit a carrier store or order a new SIM online
Insert the new SIM into your phone
Enable 5G in your phone’s network settings
Restart your phone
Make sure you are in a 5G coverage area
Update your phone’s software if required
Confirm that your mobile plan includes 5G access