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How to fix Messages app that constantly freezes or crashes on an iPhone 6s Plus?
How to fix Messages app that constantly freezes or crashes on an iPhone 6s Plus?
Reset all settings.
Resetting all settings, as the name implies, resets all of your iPhone's settings to factory defaults, including your Wi-Fi, Bluetooth, Privacy, and other preferences. The settings will be reset, but all apps, email accounts, messages, and data will stay intact.