1. Function Introduction
When you need to install a third-party app through other sources, such as a USB disk, hard disk, the apps store except for Google Play, etc. For TV security, there is a restriction when installing the APP through unknown sources and you can allow it to install.
2. Operation and path
Step 1: Select [Settings] and [Apps]
Step 2: Select the [Security& Restrictions]
Step 3: Select the [Unknown sources]
Step 4: Select the option and allow to install the APP through it
Note:
It isn't applicable to the realme Smart TV Neo 32" due to the system differences.