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In our region, one of the most popular communication tools is Facebook Messenger. It is a relatively simple platform for writing text messages, recording audio recordings, (video) calls and many other activities. Although some may question the security of the platform, this does not change the fact that it is a really popular service. But people often ask one thing. We can have Messenger installed not only on the iPhone, but also on the Apple Watch, iPad, Mac, or open it via a browser. Then, when we view a message on a phone, for example, how is it possible that it is also "read" on all other devices?

This feature has been known to users for several years and works quite reliably in most cases. On the other hand, you may encounter times when it doesn't quite work as it should. We will reveal what is behind it in this article.

Under the thumb of Facebook

Right from the start, we have to realize that the entire Messenger service is completely under the thumb of Facebook, or Meta. It manages all conversations and functions through its servers, which then means that every message is stored on the company's servers, thanks to which you can theoretically view it from any device. But let's move on to our fundamental question. Individual messages on Messenger can take on several states, and it is essential for us to distinguish them now unreadread. However, if we open the given conversation on an iPhone, for example, the mentioned status, directly on the server, changes to read. If the other devices are then also connected to the Internet, it immediately knows that it does not need to alert you to the given message, because the recipient has actually opened it and therefore read it.

As mentioned above, things don't always go exactly as planned, which can cause all sorts of problems. Most often, you can encounter a situation where, for example, another device is not connected to the Internet, and therefore does not know that the mentioned conversation has already been opened and read. At the same time, nothing is flawless and occasional problems just happen. Because of this, Messenger can also be directly responsible for non-functioning synchronization across devices - usually in the event of outages.

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