"Security Vulnerabilities" can be disabled without a password. "Find my iPhone"

The current iOS 7.0.4 system has found a major Bug. You can disable the "find my iPhone" function in iCloud without a password and Delete the existing account.

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The procedure is as follows:

Go to the settings menu, click the iCloud menu, click the account, delete the password, and enter the password at will. Click Finish to ignore the bounce reminder.

Exit and go to the iCloud menu again. Click "Account", delete the description, and click "finish. At this time, you will find that the "find my iPhone" function is disabled.

Click Delete account at the bottom to delete the entire iCloud account without a password. Enter another Apple ID to obtain the complete iCloud function.

However, even if another iCloud account is changed, the Activation Lock does not disappear after the mobile phone is restored. You still need to enter the earliest Apple ID username and password to unlock it.

It seems that this Bug is quite dangerous. Fortunately, it has been fixed in iOS 7.1. Please release it as soon as possible.