How to fix an LG G7 ThinQ smartphone that won’t send MMS messages, MMS message sending failed error [Troubleshooting Guide]

Modern smartphones are already capable of sending and receiving messages with multimedia attachments or MMS. To use this feature, Wi-Fi or mobile data network is required. To send MMS messages through Wi-Fi, your device must have a strong and stable wireless Internet connection. To send MMS messages through mobile data, cellular data or mobile data network connection is needed. Given the fact that this feature is relying on network connections, MMS downtimes are inevitable. This is when MMS sending and receiving errors instigate.

Highlighted in this post are some helpful methods and workarounds used to troubleshoot an issue about MMS that won’t send on an LG G7 ThinQ smartphone. Read further to learn what to do if ever you’ll encounter an error on MMS sending failed on the same device.

Before we move on to our troubleshooting, if you are looking for a solution to a different issue, make sure you drop by our troubleshooting page as we’ve already addressed some of the most common problems reported by our readers. Find issues that are similar with yours and use the solutions we suggested. If you still need our help after that, then feel free to contact us by filling up our Android issues questionnaire.

How to troubleshoot LG G7 ThinQ that won’t send MMS

Before troubleshooting your phone, check and ensure that it’s connected to Wi-Fi or mobile data network. If your LG G7 ThinQ is experiencing on and off connection to the network either through Wi-Fi or cellular network, then you’ll have to deal with network connectivity issues first. Once the network connection is fixed, network services including MMS should be working properly again. Otherwise, try these subsequent methods to clear any software errors that might have affected the phone’s MMS functions.

First solution: Force stop messaging app then reboot your phone.

Your messaging app might have been corrupted and unable to work properly unless it’s restarted. Things like this usually occur when the app was left opened or running in the background for quite some time. To rectify the error and refresh the messaging app, force it to stop with these steps:

  1. Tap Settings from the Home screen.
  2. Go to Apps & notifications.
  3. Tap App info.
  4. Locate and select your messaging app.
  5. Tap the option to Force stop.
  6. Read the notification prompt then tap OK to confirm.

After ending the messaging app, clear cache and data from your apps and phone system by restarting or performing a soft reset on your LG G7 ThinQ. Here’s how it’s done:

  • Press and hold the Power button and Volume Down button simultaneously for a few seconds and then release both buttons when the phone power cycles.

A soft reset won’t affect saved data on the internal memory, so you don’t have to back up files beforehand.

Second solution: Update your messaging app or phone software to the latest version.

Installing the latest update for your messaging app and/or phone can also be the key to resolving MMS issues inflicted by software bugs and malware. Aside from bringing in new features, updates also offer fix patches for security enhancements. This will get rid of any software problems including those that are attributed to malwares and system errors. If you’re using a third-party messaging app, you can manually check for app updates with these steps:

  1. Tap the Apps icon from the Home screen.
  2. Tap Play Store.
  3. Tap Menu then go to My Apps.
  4. Select Update All to manually update all apps with pending updates at once. Or you can tap an individual application and then tap Update next to your messaging app.
  5. To keep your apps updated automatically, go back to Menu-> Settings-> then tap to mark the Auto-update apps checkbox.

To check for and download software update for your LG G7 ThinQ smartphone, follow these steps:

  1. Tap Settings from the Home screen.
  2. Tap General tab.
  3. Tap Update center, then tap System update.
  4. Tap the option to Check for update.
  5. If an update is available, read and review the requirements then follow the onscreen instructions to download and install update on your device.

Your phone must be connected to the Internet wirelessly to download and install over-the-air (OTA) updates. Or you can manually update your device software on a computer instead. Don’t forget to reboot your phone after updating. Doing so will refresh the internal memory and ensure that the new software changes are properly implemented.

Third solution: Reset network settings on your phone.

A network settings reset may be necessary to clear any network errors that might have caused MMS function to fail. Doing so will clear current network settings including errors on the phone and then restore the default network configurations. To reset network settings on your LG G7 ThinQ, follow these steps:

  1. Navigate to Settings-> System menu, from the Home screen.
  2. Tap Restart & reset.
  3. Select Network settings reset from the options.
  4. Tap RESET SETTINGS twice to confirm action.

A network settings reset will also reset the APN settings, which can help eliminate network connectivity errors from the phone. Your phone should restart automatically when the reset is finished. But if it doesn’t, then you’ll need to reboot manually. After restarting, re-connect to your Wi-Fi network or cellular data network to use network services including MMS on your phone again.

Fourth solution: Wipe cache partition on your phone.

Errant system cache or corrupted temporary data in the system’s cache partition can likewise affect MMS functions on the phone. System cache usually gets corrupted after installing updates either for apps or Android system. To make sure this is not what’s halting your device from sending MMS messages, try to wipe cache partition on your LG G7 ThinQ with these steps:

  1. Tap Settings from the Home screen.
  2. Go to the General tab.
  3. Tap Storage.
  4. Select Internal storage.
  5. Tap Free up space from the menu options.
  6. Tap Temporary files & raw files.
  7. Select the given options including cached data, clip tray temporary files, and raw files from camera.
  8. Tap Delete twice to confirm.

Allow your device to finish wiping the system cache and then restarts when done. Then create a sample MMS message to send and see if it’s already working as intended. If MMS still failed to send, then you will need to consider opting for a system reset.

Fifth solution:  Reset and restore your phone to its factory defaults.

The problem may be due to a complex system error or malware that’s tough enough to withstand that previous workarounds. In this case, a full system reset or master reset would be necessary. Before you do so, be sure to back up all your important files as they will also be wiped out during the reset along with your downloaded apps and other contents. Should you wish to continue, follow these steps to factory data reset or master reset your LG G7 ThinQ through settings menu:

  1. Navigate to Settings-> System menu, from the Home screen.
  2. Tap Restart & reset.
  3. Select the option to Reset settings.
  4. When asked, tap Reset Settings to confirm.
  5. Enter your device PIN or password, if prompted,
  6. Then tap OK to proceed.

Allow your device to complete the master reset and restore factory defaults. When the reset is finished, you can proceed with the initial setup process and then set up your phone as new. Software-related issues should already be gone at this point. But if the problem persists and that your LG G7 ThinQ still won’t send MMS, then you’re most likely dealing with a more complicated issue, which requires more advanced solutions.

Other options

Contact your service provider/carrier to escalate the issue for more advanced solutions and official recommendations. Also check and ensure that your account services, particularly MMS is active and that your account still has enough data allowance, if you’re relying on mobile data for MMS.

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