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Recently, a friend who used LeEr Box Brush had encountered such a problem. Now we will explain how LeEr will perform a forced upgrade after failing to make the box full of blood. 
LeTV 1.0.85 (internal version) download address: http://pan.baidu.com/s/1mgFZCgw
LeTV box forced upgrade tutorial:
1. The firmware of the LeTV box before downloading is renamed update.zip and put in the root directory of the U disk.
2. Unplug the machine and power off, then plug in the U disk.
3, long press music box power button;
4, plug in the power waiting for boot;
5, wait for the TV will appear brush screen, then let go;
6. It is forbidden to power off during the upgrade process, and it is forbidden to insert and remove the U disk;
Frequently asked questions in the box upgrade process:
1, shows that the upgrade package can not be detected Solution: The full name of the upgrade package must be update.zip, some fans have renamed the package update or update.zip.zip. It is suggested that you open the file extension name in the file viewing option and you can see the full file name.
2, the upgrade card in the progress bar does not move
Solution: If you get stuck for a long time, you can turn off the box power and restart the forced-flash operation.
Let's see it as a forced upgrade of the music box. There is music as the user said, after opening the box into the music TV client can not be used, the purchase of member services in name only, while LeTV also off the "call male" and a large number of foreign reality TV show, other Video content such as TV shows also began to decrease.
"If you do not upgrade, you will be prompted to verify that the broadcast controller failed to verify after the upgrade." A user told the author, "The current solution is to install a version of the firmware, upgrade and install music TV1.0.85, other versions of the firmware Open will prompt you to automatically upgrade to the latest version."
The Internet TV set-top box has gotten a lot of friends' first thing to do is to brush the box to get more features. Although everyone knows that "Brush is risky", nobody will be scared and eager to try. , but what if you really have a problem?