Android Messages App Not Downloading Mms. Failed to download attachment from multimedia message. Failed to download multimedia messages on samsung s/note.
So they only see it when they open the app. One of the last ones i got took about 12 hours to download. If you have a sim card, ensure that it is inserted properly.
Would really like to avoid having to do a factory reset.
You should also delete the app’s data if mms is still not working. Learn how to change your default texting app. The procedure described below is far from a complicated one, but the result is guaranteed. On android, it could just be another notification channel and the user could even adjust to their preferences, such as trigger a notification but silently or something.