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The usual reason for the carton box is:
1. Some television box makers are not good at system optimization... Because the native Android system has many system applications that we don't need on the TV box, but it always runs in the background, and these softwares are generally booted. Since starting, if you do not optimize out, it will occupy the system running memory, which will cause us to stall while running other applications;
2. There are a lot of Android machine's software will be resident in the background, all these make the memory of the machine that is originally small memory is further squeezed, the memory balance becomes smaller, when you run other programs or operations need to use memory, there is a conflict - This is the card!
3, long-term use, resulting in excessive system waste (for example: the system's own garbage files, residual installation package files, some other software generated cache files, invalid garbage, uninstall software residual files ...., etc.)
In fact, solve the problem of Carter in the use of music box U4 in the process is still very simple LeTV box U4 users can install a sofa butler on the box, solve the method of Caton is done through the sofa butler.
Sofa butler installer bag" Sofa butler installer bag.apk 
Open the "Toolbox" option of the sofa butler client, you can see that content optimization, garbage cleanup, large file cleanup and other functions can effectively optimize the speed of the LeTV U4 box. 
Is it easy to solve the music box U4 Kardon? Let's try it out with friends who use LeTV.
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
Everyone knows that TV boxes are basically Android systems. Now, some manufacturers often like to mislead users when they advertise. For example: What 8 cores, 200 cores, 8G.... etc. In fact, these are misleading users. They steal concepts and are different from what we normally understand about CPU, GPU, memory....