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[Installation process]
1 Download the sofa butler installation file to the U disk → 2U disk to connect the TV → 3 Enter the file manager to find the installation package → 4 Installation is completed
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. 
If the installation fails, restart the device and try again by following the steps (may be useful). Still in doubt, please add the sofa butler official QQ group.
How to Install Third-Party Applications via U-Disk with Micro Whale W55C1J
How to install third-party applications on the U-disk by the W55C1J, and other models of the Micro-Whale W55C1J can also refer to this tutorial. . 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.
2. Open the Micro Whale W55C1J and plug the USB flash drive into the USB port on the back of the TV. Switch to the "Application" menu on the left.
3. Select to My Apps.
4. Select "U Disk Installation" under the "My Applications" menu, find the installation package you previously prepared, and press OK to install.
5. Micro whale television completes the installation, opens the sofa butler, and downloads any of the massive TV applications.
If the above method still can not be solved, please log in to find a specific model of the tutorial, as follows:
Watch video on demand with smart TVs, recommend using Tencent video TV; watch live TV, HDP live broadcast recommended; fun smart TV and box, more exciting content on the sofa network.