Published by Yokogawa Electric Corporation

Report an issue with Device Activation.
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Why should I report an Issue with Device Activation?

  1. AppContacter will directly Email your issue/feedback to an apps's customer service once you report an issue and with lots of issues reported, companies will definitely listen to you.
  2. Pulling issues faced by users like you is a good way to draw attention of Yokogawa Electric Corporation to your problem using the strength of crowds.
  3. Importantly, customers can learn from other customers in case the issue is a common problem that has been solved before.
contact Device Activation image 1 contact Device Activation image 2

About Device Activation

1. At very first time device activation can perform only using this app. * Avoid any operations on the device when it's in the activating state since it might take some time depending on network connectivity.

2. However if the device is not activated and status is still Activating, user can force deactivate the device before it can be activated again.

3. This app allows you to do the following actions on the devices (Sensor and Gateway).

4. You agree to ‘Device Activation App Software License Agreement’ ( ) by installing the app.

Device Activation Customer Insights

1. I can't even get into the app.. So this app must be a fake because you can't get in because of your own google account so this is what makes this app totally looks bad.

2. No wonder why this app has a bad rating.It's just great the hold service.

Steps to Troubleshoot & Fix Device Activation Issues

1. Fix Device Activation Not Working/Crashes/Errors/Unresponsive & Black/White screen:


  1. Restart Device Activation: Restarting the app will resolve most errors.
  2. Update the Device Activation App. Here is how:
    1. On Android goto PlayStore » Search for "Device Activation" » Open Device Activation » click "Update".
    2. On iPhone, goto AppStore » Your profile » Available Updates » Check for Device Activation » click "UPDATE".
  3. Clear Device Activation app cache: Clearing cached data will force your app to retrieve the latest data directly from Device Activation servers.
    1. On Android, goto Settings » Apps » Select "Device Activation" » click Storage » click "Clear Cache".
  4. Check Device Activation app permissions. If any of these permissions required to use your device's features are disenabled, Device Activation might not work.
  5. Uninstall and reinstall Device Activation. If nothing else has worked, completely uninstall Device Activation then reinstall.
  6. Restart your device. Last, restarting your device can often clear most problems causing Device Activation not working


2. Fix Device Activation Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make Device Activation be unable to connect to it's servers. Ensure your wi-fi is working then restart app.
  2. Disable VPN: VPN can cause connection errors and lead to Device Activation not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, Device Activation may not be able to connect to the Internet when running in the background.

Reported Issues