I cannot install WhatsApp on my Android cellphone. I download the program, but the installation process fails. The error code is 24. So how to fix that? - Quora
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WhatsApp Is Now The Second Non-Google Android App To Complete Five Billion Downloads On Play Store / Digital Information World
![WhatsApp Messenger app on Google Play Store website displayed on a modern smartphone Stock Photo - Alamy WhatsApp Messenger app on Google Play Store website displayed on a modern smartphone Stock Photo - Alamy](https://c8.alamy.com/comp/2AN977N/whatsapp-messenger-app-on-google-play-store-website-displayed-on-a-modern-smartphone-2AN977N.jpg)