Accounts - Seuic AutoID 9 Manual

application installation password setting and so on.
For unknown source applications, the device limits their installation
by default. If you want to install, please checkmark the Unknown sources
option and then you will be prompted to enter password. After the
password being entered, the applications will be able to installed (default
password: 4007770876).
This feature will be unchecked by default when the device restarts.
In the unknown source application installation password setting, you
can change password.

7.16 Accounts

Find this icon：
Settings
->
Add account
->
Figure 7-48 Security
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