1. TV xiaomi tv, too many ad and boring destktop. 小米电视去广告及更换第三方桌面操作方法 – MIUI历史版本

2. com.yanggqi.rom.launcher.free.apk. 

3. ADB :

注意， adb connect 192.168.0.50 ,无法认证时，要把电视界面返回到上一级才能看到那个确认指纹的对话框。
adb kill-server

adb shell ls /system/app/
adb shell am start 
//注意，这步似乎是启动 . but not 设置开机
　　.\adb shell am start com.yangqi.rom.launcher.free
D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell am start com.yangqi.rom.launcher.free
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] pkg=com.yangqi.rom.launcher.free }

用电脑浏览器启动电视中的应用：
http://192.168.0.50:6095/controller?action=startapp&&type=packagename&packagename=com.yangqi.rom.launcher.free

To delete boring app:

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.duokan.videodaily
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.appstore
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mibox.gamecenter
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.smarthome.tv
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mibox.lockscreen
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.payment
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.pay
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.upgrade
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.shop
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.tvpush.tvpushservice
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.mipay.wallet.tv
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.mipay.wallet.tv
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.mitv.karaoke.service
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.gamecenter.sdk.service.mibox
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.miui.systemAdSolution
Success

D:\Downloads\platform-tools_r31.0.3-windows\platform-tools>adb shell pm uninstall --user 0 com.xiaomi.tv.gallery
Success

　.\adb connect 盒子ip:30016 adb连接盒子
　　.\adb shell mount -o remount,rw /system 挂载系统可写
　　.\adb push dbzm.apk /system/app 安装到system目录里恢复出厂设置不丢失当贝桌面(记得步骤2的把dbzm.apk放在解压后的adb目录下)
　　.\adb shell rm /system/app/UMAuth* 删除认证组件