WhatsApp shuts down the moment I tap its icon on my iPhone, so I never even reach the chat screen. I have already tried the usual quick fixes—restarting the phone, checking for iOS and WhatsApp updates, and freeing up storage—but the crash persists. The problem come from a backup file. My phone was full of storage and WhatsApp have not properly saved the chat. The file ChatStorage.sqlite is bigger than the file ChatStorage.sqlite.backup I need someone who knows their way around iOS-level diagnostics, crash logs, and WhatsApp’s sandbox files to pinpoint the cause and guide me to a working solution. Whether the answer involves a clean reinstall without losing chat history, tweaking device settings, or digging into console reports, I’ll follow your step-by-step instructions and provide any logs you request. The job is done once the app opens reliably and I can use it normally again. If you have conquered similar startup crashes before, let’s get started.