What are the key design steps for making WhatsApp Pay accessible for a 65-year-old in a village with 2G internet and zero digital literacy?

1. Use voice commands instead of text/menu; 2. Confirm transactions with voice; 3. Resolve payees by familiar names; 4. Ensure models work on 2G; 5. Add extra confirmation for unusual requests; 6. Use SMS for payment confirmation; 7. Provide error recovery via voice.