* Connect your TV to the computer using a USB cable * Open Command Prompt/Terminal > Navigate to ADB folder > Type: `adb install -r /path/to/your/app.apk` : Some File Manager apps, like ES File Explorer or File Manager by CX, allow you to install APK files.

You're looking for ways to install unofficial apps on a Hisense Smart TV ( Vidaa UPD )!

Here are some useful features and methods to help you achieve that:

: The Downloader app allows you to install APK files (Android packages) on your TV. You can download the Downloader app from the Hisense app store or use an alternative method to install it.

* Open Downloader app > Enter URL or local path > Select APK file > Install : You can use ADB to install apps on your Hisense Smart TV. You'll need: * A computer with ADB installed * A USB cable * Enable Developer Options on your TV (Settings > About > Build number > click 7 times)

: To install apps from outside the official store, you need to enable "Unknown Sources" on your Hisense Smart TV. Go to: * Settings > Security > Unknown Sources > Enable

* Download and install a File Manager app * Navigate to the APK file location > Select the file > Install : Some Hisense Smart TVs ( Vidaa UPD ) have a built-in feature to install apps from a USB drive.