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How WhatsApp Works Without Internet: Offline Messaging and Sync Explained

Send a WhatsApp message in airplane mode — it works instantly. Here's how local storage, message queues, and sync actually make that happen.

May 31·10 min read·cosmoscribe.hashnode.devRead the article

#system-design
#mobile-development
#expo
#react-native

Written by

Cosmos

@cosmologyisfun

cosmology is fun

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