Try checking if the phone internet connection is working. In order to use this app your phone must have a good internet connection. Method 1: Check the phone internet connection

Make sure your phone has the latest version of Viber installed.

Make sure your phone is running on the latest software version.

One problem that you might encounter while trying to use this app on your mobile device is when it can’t send out a message. Cannot send out text messages using Viber app An internet connection is required ( Wi-Fi or mobile data) to use this service which is free except for calls made to landlines or phones that don’t have the Viber app installed. It provides end to end encryption for all messages and calls allowing for better communication security.

Viber is a call and messaging app that was first released in 2010 and is available for the Android, iOS, Windows, Linux, and MacOS platforms. There are several factors that can cause this issue such as the phone internet connection, you have been blocked by the receiver, or a corrupted app. Viber also rolled out a “delete message” feature in 2015 and a secret chat option in 2017.The Viber cannot send messages problem occurs when you are trying to send out a message to a person or group of people. The instant messaging app said that the availability of the feature to all its users strengthens its position as “the world’s most secure messaging app.” In addition to messages being automatically deleted after a pre-defined time, a notification will be sent out if a recipient takes a screenshot of a disappearing message.

To use the feature, users just need to tap the clock icon at the bottom of the chat and decide how much time should elapse before a message disappears. Viber uses the example of sharing credit card details with a partner making an online purchase. The new feature is ideal for sending confidential information that users might not want hanging around online. Once the timer is up, the content is permanently deleted. The countdown timer starts from the moment the recipient sees the messages. The Japanese-operated app’s new feature lets the users set a timer when sending texts, photos, video, or files for a few seconds, minutes, hours, or even days. The disappearing messages feature that has been previously only been available in “secret chats” on Viber, is now available in all one-on-one chats.

Viber message timer