Vodacom Whatsapp Bundle For A Month. To subscribe to WhatsApp bundle, send “WA” (200 MB) or “WA2” (300 MB) to 1100 (free of charge) from your prepaid line. Subscription to the bundle will be automatically renewed every 30 days if there is enough credit. 2. When subscribed to the WhatsApp bundle, you can still activate any HSI offer simultaneously