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If I uninstall Facebook Messenger from my iPhone and then re-install it from the App Store, it remembers my login. "Login as [Name]? Not you?"

Where does it store this? How can I disable that? I thought deleting the app also deleted the data, including username and password!

I checked iCloud app data, and there is nothing there labeled Facebook.

Note: that I'm not talking about the full Facebook app, only the official Messenger app, also made by Facebook Inc.

I do not use the builtin iOS 6 Facebook login, so that shouldn't be the issue.

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Doesn't it use the login given with the FB API ? – Matthieu Riegler Jan 4 '13 at 21:37
@MatthieuRiegler - I don't use the builtin Facebook capabilities, added that to my question. – ERJ Jan 5 '13 at 17:37
Did you check whether your login is still displayed/stored in Settings? – patrix Feb 28 '13 at 18:23
@patrix ~ Where? I checked Settings > General > Usage > Manage Storage for iCloud data. There was nothing. – ERJ Mar 2 '13 at 6:45
Main screen of Settings, scroll down, should be between iTunes U and aettings for user-installed apps – patrix Mar 2 '13 at 6:50

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