Published by netTALK Inc.

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Why should I report an Issue with DUO: Encrypted Text Messenger?

  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 netTALK Inc. 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.

DUO Customer Insights

1. It also never receives one time passwords rendering the app as well as the nettalk service lesser than an alternative to a reliable regular phone even free apps like Whatsapp.

2. Nettalk need to take corrective action and make their service reliable and desirable.I in think its ridiculous that my contacts have to downliad another app just text.

3. Does not receive sms text messages often.

4. Very unreliable.

Steps to Troubleshoot & Fix DUO Issues

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


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


2. Fix DUO Server issues & Internet Connection


  1. Check network connection: An unstable Internet will make DUO 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 DUO not working. Make sure all VPNs are off
  3. Enable background data: When Background data is turned off, DUO may not be able to connect to the Internet when running in the background.

Reported Issues