Version: Smart Feature Phone 3.0

OS ENV Setup

Instructions for users who have access to a debug device

Connecting to Device

  1. Connect your device with the laptop using USB cable. Make sure it is in debug mode.

  2. Open the Settings app and follow this flow:

Device > Developer > Debugger > ADB and DevTools

Debug App via firefox

  • Download Firefox 84

  • Connect your device to your computer with a USB cable

  • Verify device information u

    adb devices
    adb root  
  • Open firefox RemoteDebugger

  • Device should be visible in left panel of the RemoteDebugger
  • Click the Connect button right of your device. The device should be connected with the Firefox RemoteDebugger
WebIDE - Remote runtime
  • The Tabs show all apps running in device except System App, which can be found in the bottom of the page)

    • Apps running in device
    WebIDE - Remote runtime
    • System apps running in device
    WebIDE - Remote runtime
  • Click Inspect button will go to app. Then you can debug and modify via RemoteDebugger

WebIDE - Remote runtime

Install App via appscmd

Verify device information on

  adb devices
  adb root  

Download appscmd

cd appscmd

Verify appscmd

cd appscmd
./appscmd --help

The output should be like below

appscmd 0.2.0
Manages apps installed on a b2g device, simulator or desktop.


    -h, --help       Prints help information
    -j, --json       Set output as json format
    -V, --version    Prints version information

        --socket <socket>    Socket path to connect

    help         Prints this message or the help of the given subcommand(s)
    install      Install an application
    list         List installed applications
    uninstall    Uninstall an application

appscmd script usage

  • List all apps installed in device

    appscmd_path/appscmd list  
  • Connect your device to your computer using a USB port, then run the following command from your terminal:

    $ adb root && adb forward tcp:6000 localfilesystem:/data/local/debugger-socket

Note: You can change the port, changing the tcp value of the command (tcp:PORT).

  • Install app

    appscmd_path/appscmd install your_app_path
  • Uninstall app

    appscmd_path/appscmd uninstall your_app_name