adb install <path-to-the-apk>
In case that you have both simulator and device connected but you want to install the app on device, then use the global option “-d” just right after the “adb” command will help.
-d use USB device (error if multiple devices connected)
Update existing apk on device.
adb -d install -r <path-to-apk>
uninstall [-k] PACKAGE remove this app package from the device '-k': keep the data and cache directories