Viber is a free messaging application that allows users to send messages, make calls and share photos and videos for free. It also allows users to connect with each other using the app’s unique features.

  • Poor internet connection could be the reason why your messages are not being delivered on Viber.

  • You can try using cellular data or a different Wi-Fi connection to resolve the issue.

  • It is also possible that the recipient might have blocked you which is why you can’t reach them.

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It is available for smartphones and tablets running on iOS, Android, and Windows Phone operating systems. In addition, it has a desktop version that can be used on Windows and Mac machines.

The platform provides end-to-end encryption thus enhancing the security of the user’s information and is a fan-favorite for many users.

It leans more on communicating with friends on a casual level but if you are looking for a more professional program, we have a dedicated list of automated chat software for businesses.

Although it is a great platform, there are some instances where Viber stops working. Someone may send you a message and Viber says that this message was not delivered.

When you come across such messages there are a few fixes you will need to perform before you can send or receive any messages again.

How do you know if a message has been delivered on Viber?

The first thing you can do is check your app. If it was delivered, there will be a green tick next to the message.

You can also check your messages on the web by logging into your account and clicking on the conversation in which you sent a message. Once you’re in, you can check for details of each message which shows whether it’s been delivered or not.

Will the message show delivered if blocked on Viber?

Viber does not notify someone whenever you block them. But at the same time, it is important to have a clear picture of what happens in such situations.

Once you block a person they will no longer be able to reach you. This is both on-call and text. Moreover, they will not be able to tell whether you are online or not. If they send out a message to you, it will not be marked as delivered or seen at any point.

At the same time, a blocked contact will no longer be able to add you to a group. They will also not be able to see the changes you make, be it changing your profile picture or status.

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With time, they may be able to tell that you blocked them if they see you contributing to a common group, yet when they try to message or call you they are not able to get through to you.

How can I fix Viber when it says that the message isn’t delivered?

1. Check your Internet speed

  • Launch your preferred browser on your phone.
  • On the address bar, type and search for Speed test.
  • Click on the Run Speed Test button to initiate it.

You will then get a detailed account of your internet speed. If your results are not impressive, you can opt to use another Wi-Fi connection or use cellular data.

2. Try a different number

It is also possible that you have been blocked. You can use someone else’s number to decipher whether the contact you want to reach can receive messages from the other number. In this case, the message will be delivered to them.

If the Viber message is delivered, you have been blocked but if it says not delivered then this means that they might have deactivated their Viber account.

3. Uninstall and reinstall Viber

  • Navigate to your phone, and locate Viber.
  • Long press and select Uninstall.
  • Go to Google Play Store and Install it again.

Why are my Viber messages not delivering?

If you’re using Viber on an iPhone or Android device, make sure that you have a properly set up calendar and time. Sometimes, if the settings are not configured properly, the app will be unable to send out messages at certain times of the day.

Another reason why your Viber messages are not delivering could be that the recipient’s contact information is flawed. As such, this makes it impossible for you to send out a message to them because of the incorrect contact information.

Finally, if your Wi-Fi or data connection isn’t working properly, Viber may not be able to send messages successfully.

If the above solutions have not worked out for you so far, then you can uninstall the application and reinstall it again. There is a high chance that a bug or corrupt file might be causing the problem to arise.

At this point, we hope that this guide has helped you resolve the Viber message not being delivered error. Also, remember to refer to our expert guide when Viber fails to launch in Windows 11 or Windows 10.

Let us know what solution worked for you in the comments section below.

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