Mi TV 4S 55, Technical Manual

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Auto update selection-On
：
MI TV will update to the latest version at a proper time
when there is a latest version of MIUI system package available online.
Auto update selection-Off
：
It is necessary to update your MITV to the latest MIUI
system manually when there is a latest version of MIUI system available online.
6.2 Manual Update
Enter MITV Settings-->About -->system update to update MIUI system Manually.
手动更新
6.3 U disk upgrade
Download ROM from KBS system and uncompressing it,copy it to directory root of U
Flash. Then insert the U disk into the TV, press the boot button for a long time, and AC
power on.
Notice
：
Do not edit the name of files, or the TV will not recognize update software.