Export contacts from Android as a .vcf file
Open the Contacts app on Android
Tap the menu or settings option
Choose Export or Share contacts
Save the .vcf file to your phone or cloud storage
Send the .vcf file to your iPhone by email, AirDrop alternative, or cloud drive
Open the .vcf file on iPhone
Tap Add All Contacts when prompted
Or sync contacts to Google on Android
Add the same Google account on iPhone
Turn on Contacts sync in iPhone settings
Wait for contacts to appear in the iPhone Contacts app