When you're done with that, follow these steps to sync your iPhone contacts to your Mac:
How to sync contacts from iPhone to Mac using iCloud
You can hold down ⇧ Shift while clicking photos to select multiple photos, or you can click and drag your cursor across as many photos as you wish to copy. To copy ALL of your photos, press ⌘ Command and A to select all, go to File, then Export, then select your flash drive from the export options.
Make sure Bluetooth is enabled on both devices and that they are in range and discoverable. Then, go to the Contacts app on your Samsung and tap More > Share. Tap the contacts you want to share, then tap Bluetooth. Select your iPhone as your target device to transfer the contacts.
On your Android phone, head to Contacts app and tap on the gear icon or the three dots menu. Tap on SIM card contacts and if you have a dual-SIM phone, select the SIM card you will be using in your iPhone. Tap on the three dots menu and select Import from phone.
If you created groups or Smart Groups, you can delete them at any time. The contacts who are in the group are not deleted from Contacts. In the Contacts app on your Mac, select the group or Smart Group in the sidebar. Press the Delete key, then confirm the deletion.
In Contacts, drag a contact from On My Mac to All iCloud, or export your contacts as Vcards, then manually sync with the Finder.
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In the Contacts app on your Mac, do any of the following:
Delete contacts in Contacts on Mac
Merge contact cards in Contacts on Mac
On your Mac
Turn on Wi-Fi and Bluetooth on both devices. Turn on AirDrop: Go to Settings > Tap General > Tap AirDrop > Choose Contacts Only or Everyone. On source iPhone: Go to Contacts app > Find and tap the contact you want to AirDrop > Tap the Share Contact option > Tap AirDrop > Choose the target iPhone.
Method 3. Export Contacts from iPhone without iCloud but via Email
Using iTunes Open iTunes and go to the iPhone option at the top. Under the Info tab, check the 'Sync Contacts with' option and select Google Contacts. Finally, enter your Google account details and hit the 'Sync iPhone' option.
Import contacts from your SIM card to your iPhone