Allow App Installation from Unknown Sources - ZTE

Caution Your device and personal data are more vulnerable to threats such as Ransomware from apps downloaded from unknown sources. Here's some additional info about downloading from unknown sources and protecting your device against Ransomware.

  1. From a Home screen, navigate: Apps icon Apps icon > Settings Settings icon.
  2. Tap Security.
  3. Tap the Unknown sources switch to turn on Switch on or off Switch off.
  4. Review the disclaimer then tap OK.
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