What should I do if the iwrist i9 non-signed apk cannot be installed?

Tools: U disk, Dangbei Market

Steps:

1. First, we download the latest version of Dangbei Market APK installation from the official website of Dangbei Market Package to U disk

2. Turn on the Infic box and TV, and enter the main page of the box.

Insert the USB flash drive and the external device will be automatically detected. Click All.

4. Find the downloaded Dangbei Market APK in the USB flash drive.

5. The Dangbei Market installation program will appear here, click Install

6. After the installation is completed, open the Dangbei Market and you can use it.