Copying contacts from your memory card or SIM card helps you quickly back up your contacts from your old phone to your new one.
Here's how to copy contacts to OPPO F3 Lite (A57):
Step 1: Go to 'Settings' and select 'Contacts.'

Go to 'Settings' and select 'Contacts.'
Step 2: Choose 'SIM card contacts.'

Choose 'SIM card contacts.'
Step 3: Select the SIM card you want to copy contacts from.

Select the SIM card you want to copy contacts from.
Step 4: Choose 'Import from SIM card.'

Choose 'Import from SIM card.'
Step 5: Select all contacts and choose 'Import from SIM card.'

Select all contacts and choose 'Import from SIM card.'
After following the above steps, we have successfully imported contacts from the SIM card of OPPO F3 Lite (A57).
