ZTE ZMAX User Manual
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Make passwords visible: Display passwords as you enter them.
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Device administrators: View or deactivate apps you have authorized
to be device administrators.
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Unknown sources: Check this option to permit installation of apps
from sources other than the Play Store.
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Verify apps: Disallow or warn before installation of apps that may
cause harm.
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Storage type: Set storage type.
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Trusted credentials: Display trusted CA certificates.
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Install from SD card: Install certificates from the memory card.
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Clear credentials: Delete all certificates.
Backup and Reset
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Back up my data: Back up app data, Wi-Fi passwords, and other
settings to Google servers after you sign in to your Google account.
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Backup account: Select the Google Account that your data is backed
up to.
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Automatic restore: Restore previously backed up settings and data
when you reinstall an app.
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Factory data reset: Reset your phone to factory default settings. All
your personal data from the phone’s internal storage will be erased.
You can also erase the data on the memory card during the process.