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Steps
1. Baidu searches for "Sofa Manager" and clicks on the top ranked search results to enter the sofa (). 
You can also directly download the sofa butler apk installation package by clicking on the right link: http://app.shafa.com/shafa.apk. Download a good apk installation package, please copy to U disk. 
2. Connect the U disk to the USB interface of the device and find the apk installation package to install it.
(Most devices will prompt you to open the U disk directly. If there is no automatic prompt, please use the "File Management", "Local Installation" or other file browsers (such as ES File Browser) to bring up the U disk. 
3, complete the installation, start the sofa butler. 
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 following sofa butler official QQ group.
Installation process 1 download the sofa butler apk installation package to the U disk → 2 U disk into the smart TV / box USB interface → 3 on the device through the Explorer to find the installation file to install;
Click "Download now" at the most prominent place on the homepage to download the latest version of the sofa butler apk installation package (360 browser pop-up download box please select "download to computer only"). You can also check out other brand TV box tutorials at the Home Tutorials portal.
Watch videos on smart TVs and recommend using pudding videos. Fun smart TV (and box), exciting content in the sofa network.