: The .vcf extension allows Android devices to ingest thousands of contact cards in a single click.

: Open a spreadsheet (Excel or Google Sheets) and create columns for "First Name," "Last Name," and "Phone Number." Add Indian Data

If you are a developer or tester who genuinely needs a bulk contact list to optimize an Android application, you do not need to download risky, pre-made files from the internet. You can safely create your own customized, synthetic VCF files using secure programmatic tools. Method 1: Use Python and the Faker Library