Huawei Honor 7 - Why Cant I Back up Messages Using a Third-Party Messaging Application

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5. If the problem persists, back up your data and go to Settings > Backup & reset >
Factory data reset to restore the factory settings.
9.14 Why can't I back up messages using a third-party
messaging application?
Only the default messaging application can back up messages, which is a new feature of
Android 4.4. To back up messages using a third-party messaging application, set it as the
default messaging application from Setting > All > Manage apps > Default app settings >
Messaging.