1．USB安装

mount –o remount rw /system
cd /system/app
rm –rf my1Apk.apk
cp  /udisk/single/my2Apk.pak /system/app
chmod 777 my2Apk.apk
sync
reboot

2．ADB安装

2.1.Wifi安装

  工具 : 路由器

• 第一步 

Android,tera:
setprop service.adb.tcp.port 5555
stop adbd
start adbd

• 第二步

cmd:
E:
cd E:\android-sdk\platform-tools                                        
adb connect 192.168.1.112:5555
adb push E:\my_location\myApk.apk  /sdcard/app/

• 第三步

Android,tera：
mount -o remount rw /system
cd /system/app
rm -rf myApk.apk

• 第四步

Android,tera:
setprop service.adb.tcp.port 5555
stop adbd
start adbd
mount -o remount rw /system
cd /system/app
rm -rf myApk.apk
cp /sdcard/app/myApk.apk /system/app/
chmod 777 XXXX.apk
sync
reboot

2.2 直接安装

注：部分车机没有创口，Apk不支持Adb直接安装

adb shell
exit
adb remount
rm -rf /system/app/myApk.apk
exit
adb push myApk.apk /system/app/
adb reboot