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

Download appscmd from Github

Verify appscmd

Before you use it, you can change the name of the binary file to appscmd

  • MAC
cd appscmd
mv appscmd-x86_64-apple-darwin appscmd
chmod +x appscmd
./appscmd --help

The output should be like below

appscmd 0.3.1
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

    choose-install-folder    Install an application via file explorer
    help                     Prints this message or the help of the given subcommand(s)
    install                  Install an application
    install-pwa              Install a progressive web app
    list                     List installed applications
    show-warnings            Show warnings of non-fatal errors
    uninstall                Uninstall an application
    wait                     Wait for the api-daemon to be ready

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