use adb tools to install new APP to android body cameras

connect the android body camera to a WINDOWS PC via USB cable,

copy adb_tools to this WINDOWS PC,

download the APP(.apk) and copy it to adb_tools path, e.g., MCP.apk,

run cmd in WINDOWS Run, that is the DOS windows,

input adb command,

adb install -r MCP.apk

it will show progress and success.

if failure, that means this android unit is not allowed to install APP, consult the manufacturer.

an example demo,

use adb cmd to uninstall MCP if it's inside,

for MCP, adb uninstall com.smarteye.mcu

for MPU, adb uninstall com.smarteye.mpu

run  your APP by adb cmdline, 

adb shell am start -n yourAPP_packageName/bootupArgs