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Installation process 1 Download ADB One-click installation tool to the computer and unzip it. 2 Connect the computer and TV with the same router. → 3 Run ADB open tool → 4 One-click installation is complete.
Steps Step 1: Download ADB open tool and one-click installation tool
With the computer to download and decompress, there are two folders of TCPUDP debugging tool and one-click installation software, as follows 
Follow the steps to view the tcl smart TV's IP address as illustrated: 
- If the message "unable to connect ip" is displayed, or if the IP address is wrong, do not tick the hexadecimal place in this step.
Step 2: Run one-click installation, install the sofa butler into another folder - "One-click installation", double-click "Double-click to run a key installation" to enter the command interface and enter the IP address of the device obtained in the previous step, and press Enter to wait. can. 
If the message "unable to connect ip" is displayed, or if the IP address is incorrect, do not select the hexadecimal place in the TCP UDP debugging tool step.
Note for installing butler: If you use the sofa butler to download the application, it stays in the installation state, or you are prompted to prompt the words "Prohibited to install unknown source". Please turn on the automatic installation in “Settings†of the sofa butler kit, or try to plug in an external SD card and try again.
Download the TV application and recommend the best application market sofa butler on Smart TV. Watch videos on smart TVs and recommend using pudding videos. Fun smart TV (and box), exciting content in the sofa forum.
TCL TV L48 A71S (-UD) installs a sofa butler through ADB one-click installation tool. This tutorial is applicable to similar models such as TCL TV L48 A71S (-UD);
System settings
Network settings
Cable network settings
Tcl TV automatically obtains an IP address
Check the TV's IP
Open the TCP UDP debugging tool
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.
TCL TV L48 A71S (-UD) Other installation methods: http://