How to manually upgrade WP600A, WP600AXX phones and update the app

This guide explains how to perform manual upgrade of WP600A and WP600ACG firmware and how to update the app version.

Created: August 2021



Manual upgrade of WP600A and WP600ACG phones and the update of the app can be performed from a USB flash drive with the relevant files uploaded to it.

Note: Outdated phone app may cause issues with placing outgoing calls, and the user may get Call failed error messages.

Performing the update as described below can fix this issue.

How to upgrade WP600A/ WP600AXX firmware

Step 1. Prepare a USB flash drive 

  1. Connect a USB flash drive to your computer/ laptop.
  2. Download the firmware that corresponds to your phone model by the links below:

    1. Latest firmware for WP600A:
    2. Latest firmware for WP600ACG:

  3. Add the downloaded file to the USB flash drive.

Important: Using incorrect firmware may damage your device. Make sure to download the corresponding version of firmware for WP600A and WP600ACG respectively.

Step 2. Perform manual upgrade of WP600A/ WP600ACG

  1. Connect the specially prepared USB flash drive to your WP600A or WP600ACG phone. 
  2. Go to the phone Settings -> scroll down to About Multimedia Terminal.
  3. Proceed to System Update -> System Update Now.
  4. On the System Update screen, click the button Select other upgrade package.
  5. Click on the blue arrow button to go to the /mnt folder, where you can access your USB storage. 
  6. Find the folder named usb_storage and click on it. 
  7. Select the file with the firmware you’ve previously downloaded.
  8. Wait till the firmware is installed and the system reboots.

How to update the app on WP600A/ WP600AXX 

Step 1. Prepare a USB flash drive with the latest app version

  1. Connect a USB flash drive to your computer/ laptop. 
  2. Download the following file:

  3. Add the file you’ve just downloaded to the USB flash drive. 

Note: Alternatively, you can download this file directly to your WP600A/ WP600ACG: access the built-in browser -> go to this guide -> download the file -> click on the downloaded file and proceed with the installation.

In this case, a USB flash drive is not required and you don’t have to proceed with Step 2 of this guide. 

Step 2. Install the update on WP600A/ WP600ACG

  1. Connect the USB flash drive to the WP600A or WP600ACG and restart the phone. 
  2. After the restart, navigate to Apps -> Explorer -> USB.
  3. Select the downloaded .apk file. 
  4. Press Install on the screen that appears.
  5. Once the installation is complete, press Done if you want to simply close the screen, or Open to go to the app.