Annoying "No data service" alert I'm receiving this stupid message every 5 minutes.

How to disable it without disabling other important messages of similar category ?
I've also had the problem of a notification alert every 5 seconds. I think I solved the problem by doing the following.

Make a recording in a quiet place and make sure there is no sound recorded. (only 1 sec needed.
Save the recording as &quot;No Sound&quot; or what you want.
Locate the recording in &quot;File&quot;, &quot;Audio&quot;
On the 3 dots select to set it as &quot;Notification&quot;
On the main menu settings select this as your &quot;Notification sound&quot;
Go to your other application (&quot;What's app&quot;, &quot;SMS&quot;, &quot;eMail&quot;, etc.) and change the notification sound from &quot;Default sound&quot; to your required tune.

You will still receive the message but it won't make a sound.
Hope this makes sense and will help solve the annoying notification.