Open the Contacts app on the source phone
Select the contact or contacts you want to share
Tap Share or Send Contact
Choose a sharing method such as Bluetooth, AirDrop, email, text message, or Nearby Share
Send the contact file to the other phone
On the receiving phone, open the received contact file
Tap Import, Save, or Add to Contacts
If sharing multiple contacts, export them as a vCard file first
Use cloud sync if both phones use the same account
Turn on contact sync in the phone settings
Sign in on the second phone with the same account
Wait for contacts to sync automatically
Use a SIM card only if the contacts are stored on the SIM
Copy contacts to the SIM from the source phone if needed
Insert the SIM into the other phone
Import contacts from the SIM on the receiving phone