Samsung Messages app glitch: Why you see “No Subject” messages and how to fix it


How can I fix the “No Subject” messages issue on Samsung Messages app?

I have a Note 20 Ultra that I have been using for two years without any major issues. However, recently I have encountered a problem with the Samsung Messages app, which is the default messaging app on my phone. Sometimes, my messages fail to send and I receive messages from some of my contacts that I have group chats with. These messages all say “No Subject, Expires (current date and time)” and they are very annoying. I have tried restarting my phone, clearing the cache, and force stopping the app, but nothing seems to work. What is causing this issue and how can I resolve it?


If you are using a Samsung phone, you might have encountered a frustrating issue with the Samsung Messages app, which is the default app for sending and receiving SMS and MMS messages on your device. Sometimes, when you try to send a message, it fails to deliver and you get a notification saying “Message not sent”. Then, you receive messages from some of your contacts that you have group chats with, but these messages are blank and only say “No Subject, Expires (current date and time)”. This issue can be very annoying and confusing, especially if you are expecting important messages from your friends or family.

What causes this issue and how can you fix it? According to some users who have reported this problem on various forums and websites, the issue seems to be related to the Advanced Messaging feature on the Samsung Messages app. Advanced Messaging is a service that allows you to send and receive enhanced messages, such as group chats, read receipts, typing indicators, and high-quality media files. However, this feature only works if both you and your contact have compatible devices and network carriers that support Advanced Messaging. If not, the messages might not be delivered properly and you might see the “No Subject” messages instead.

To fix this issue, you can try the following steps:

  • Disable Advanced Messaging on your Samsung Messages app. To do this, open the app, tap the three-dot menu icon on the top right corner, and select Settings. Then, tap Chat settings and toggle off the switch for Advanced Messaging. This will disable the enhanced messaging features and revert to the standard SMS and MMS protocol. You might need to restart your phone after this step.
  • Delete the “No Subject” messages from your Samsung Messages app. To do this, open the app, tap and hold the “No Subject” message, and select Delete. You might need to do this for each message individually or select multiple messages at once. This will clear the corrupted messages from your app and free up some space.
  • Ask your contacts to disable Advanced Messaging on their Samsung Messages app as well. To do this, you can send them a regular SMS message or call them and explain the issue. Ask them to follow the same steps as above to disable the Advanced Messaging feature on their app. This will ensure that you and your contacts are using the same messaging protocol and avoid any compatibility issues.
  • By

following these steps, you should be able to fix the “No Subject” messages issue on your Samsung Messages app and resume your normal communication with your contacts. However, if the issue persists or you encounter any other problems with your Samsung Messages app, you might want to contact your network carrier or Samsung customer support for further assistance. You can also try using a different messaging app, such as Google Messages, WhatsApp, or Signal, which might offer better performance and features than the Samsung Messages app.

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