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1 Download the sofa butler installation file to U disk → 2 Enter the TV file manager → 3U disk management Open the installation file → 4 Complete the installation
ã€Steps】
1. Baidu search for "sofa manager" into the sofa network, download the sofa butler package; or directly click the link (http://app.shafa.com/shafa.apk) to download the sofa butler package. 
Copy the downloaded apk installation package to the U disk.
2, open the TV's file manager; 
4, open the sofa butler installation file, confirm the installation 
5, complete the installation. 
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[Installation process]
3, enter the installation package management;
If you still cannot read the USB flash drive, you are advised to format it on the computer (if there are other contents in the USB flash drive, export it and then format it) or try another U disk.