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Copy the downloaded apk installation package to the U disk. 
If you still can not read the U disk, it is recommended to format the U disk to FAT32 format (if there are other contents in the U disk, export and then format), or try another U disk.
If the installation fails, restart the device and try again by following the steps (may be useful). Still have questions please add the official QQ group below.
Lenovo's TV E series installs sofa butlers through U-disks. Lenovo's other models can also refer to this tutorial.
Installation process
1 Download the sofa butler installation file to the U disk → 2U disk to connect Lenovo TV E series USB interface → 3 file management installation file → 4 installation is successful
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.
2. Connect the U disk to the USB socket of Lenovo's TV E series;
3. Find "File Management" on the TV interface and click to enter;
4 in the file management you can see "Removable Disk", continue to click open
5. Find the downloaded sofa manager's installation file and press the remote control to confirm it;
6. If the prompt "Sofa Manager is not provided by Lenovo's official partner, is it installed?", press "OK" to continue the installation.
7. The installation is completed, you can press "Open"
Watch on-demand video on smart TV, recommend using pudding video; Watch live TV, recommend HDP live broadcast; More interesting content, please use Tencent video TV version, TV; Fun smart TV and box, more exciting content in Sofa net.
August 09, 2024