li ion battery cell output voltage is 4.2v highest and 3v cut off, normally called 3.6v/3.7v batttery. 3v Battery 3v Battery,3v Lithium Battery,3V Rechargeable Battery,3V Polymer Battery Asarke Industry Co., Limited , https://www.asarke-industry.com
Installation Step 1 Download the sofa butler package to the U disk → 2U disk to connect Konka TV → 3 Open the U disk to find the installation package and install → 4 Installation is complete
The first step of the operation process: Baidu search "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.
Step 2: Find the "Storage Device" option via the status bar above the TV 
Watch on-demand video on smart TVs, recommend using a TV cat, watching live TV, and recommending live HDP; more interesting content, please use Tencent video TV version, Youku video TV version, etc.; Fun smart TV and box, more exciting Content is on the sofa butler.
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KKTV X55 installs TV broadcast software through U disk
KKTV X55 installs the sofa butler through U disk, KKTV other models also can consult this tutorial. Step 3: Open the storage device and find the “Sofa Manager†installation package you downloaded earlier Step 4: Click on the “Sofa Manager†installation package and press to complete the installation. After the installation is complete, you can download all kinds of live broadcast software through the sofa butler, and watch the live broadcast at random.