How to fix Galaxy Note9 won’t send MMS issue

Fixing MMS problems on Galaxy Note9 is often simple and doable on an end user’s level. if you’re having trouble sending MMS on your Note9, find out what you can do about it below.

Be mindful of the error message

Average users tend to ignore error messages when they encounter problems. If you’re getting a message, prompt, or plain error when trying to send MMS, you must take note of it (write it down accurately if possible) so you can forward it to us or to any other party that will help. Once MMS stops working, there usually is a specific reason for it and an error message is a good way to point you to your troubleshooting direction. You may receive an error saying that there’s an account or billing issue that you need to settle first. That can mean that the problem may not be device-specific so you can skip the rest of the steps and proceed directly to getting help from your carrier.

Turn on mobile data

MMS at this time is already obsolete given the fact that there are a lot of apps that can provide better service. Because a lot of people are still using it, network operators continue to support MMS using their mobile data service. Unlike a regular text, sending and receiving MMS needs mobile data so you want to make sure that it’s working. You can do that by checking apps that require internet to work. For instance, if your Youtube app won’t stream videos after enabling mobile data, that means your device is unable to connect to the internet. This is the reason why MMS has stopped working. If this is the case, you need to talk to your carrier so they can identify the cause of the problem. Mobile data usually requires subscription so there may be a problem with your account or network. Again, you don’t want to waste your time doing unnecessary troubleshooting steps for this one and you should contact your carrier right away.

Check voice calling

If you are unable to make or receive voice calls, mobile data or MMS may not work as well. Try to make any call and see if everything’s fine.

Some of the possible causes why voice calling may not work includes the following:

  1. Not adequate network coverage
  2. There’s a temporary network problem
  3. There’s an error at the receiving end
  4. The selected network is out of range
  5. The selected network mode is not available
  6. Roaming isn’t activated in your rate plan
  7. There’s no credit on your prepaid phone card
  8. Your number has been suspended
  9. Flight mode is turned on
  10. Fixed dialing is turned on
  11. Your mobile phone is overloaded for unknown reasons
  12. Your SIM is faulty

Reseat SIM card (to refresh APN)

Sometimes, disconnecting the SIM card can eliminate temporary network bugs. This can also force the device to configure the APN or Access Point Names. We suggest that you do it if the above troubleshooting steps have not helped so far.

Alternatively, you can manually check and modify the APN (if there’s something that’s not specified by your carrier). If you want to do this, contact your carrier so you can take the correct APN values from them. By default, APNs are automatically added to the device once a SIM card has been inserted.

Use another SIM

Another way to go about the issue is by replacing the SIM card, especially if you suspect that it’s causing a problem. If you another phone from the same carrier, try to use its SIM on your Note9.

Keep in mind that the SIM card trick only applies to GSM devices. CDMA devices may or may not benefit from this troubleshooting step due to the way their software are designed.

Make room for new messages

If you send and receive MMS often, it’s possible that the text messaging app may have ran out of space. Conversation threads that includes MMS (photos, videos, documents) can eat a lot of space. Be sure to delete old threads to make way for new ones.

Clear text message app cache

Some apps may suffer from poor performance sometimes if their cache is corrupted. Delete the messaging app’s cache and see what happens.

  1. Open Settings app.
  2. Tap Apps.
  3. Tap on More settings at the upper right (three-dot icon).
  4. Select Show system apps.
  5. Find and tap your app.
  6. Tap Storage.
  7. Tap Clear cache button.
  8. Restart your Note9 and check for the problem.

Revert text message app to defaults

Should clearing the app’s cache won’t make a difference, the next step is to return the app itself to its defaults. Doing so will delete all your texts and MMS. Be sure to back them up ahead of time.

Here’s how to return the messaging app to its defaults:

  1. Open Settings app.
  2. Tap Apps.
  3. Tap on More settings at the upper right (three-dot icon).
  4. Select Show system apps.
  5. Find and tap your app.
  6. Tap Storage.
  7. Tap Clear data button.
  8. Restart your Note9 and check for the problem.

Verify if third party app is to blame

Some apps may interfere with Android or cause problems with other apps. To check if you have a third party app issue, boot the device to safe mode. In this mode, all downloaded apps will be suspended. So, if there’s a bad app involved, MMS should work on safe mode and not on normal mode.

To restart your Note9 to safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen.
  3. When “SAMSUNG” appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see Safe Mode.

To identify which of your apps is causing the trouble, you should boot the phone back to safe mode and follow these steps:

  1. Boot to safe mode.
  2. Check for the problem.
  3. Once you’ve confirmed that a third party app is to blame, you can start uninstalling apps individually. We suggest that you begin with the most recent ones you added.
  4. After you uninstall an app, restart the phone to normal mode and check for the problem.
  5. If your Note9 is still problematic, repeat steps 1-4.

Reset network settings

This is a staple troubleshooting step for any networking issue. Be sure to do this before contacting your carrier. This step will do the following:

  • Stored Wi-Fi networks will be deleted.
  • Paired Bluetooth devices will be deleted.
  • Background data sync settings will be turned on.
  • Data restrictive settings in applications that were manually turned on/off by the customer will be reset to the default setting.
  • Network selection mode will be set to automatic.

These are the steps to reset your network settings:

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > General Management > Reset > Reset network settings.
  4. If you have set up a PIN, enter it.
  5. Tap RESET SETTINGS. Once complete, a confirmation window will appear.

Contact network operator

Any of the troubleshooting steps above should help fix the issue. However, if none works so far, we suggest that you get further support from your carrier. There must be an account or network problem causing the issue you’re having.

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