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Samsung Galaxy S7 can no longer send text messages after a major firmware update [Troubleshooting Guide]

As one of the best smartphones in the market today Samsung Galaxy S7 is not new when it comes to firmware-related issues whether it is running with a stock firmware or an upgraded one. In this post, I will have to tackle issue with the messaging app in which according to some of our readers, the problem started after the firmware was upgraded. Although updates may help remove bugs and fix issues, sometimes they will also cause an issue to become worse or trigger other problems.

But since we are not certain what the issue is, it is imperative that we should do some troubleshooting first before jumping to the conclusion. Don’t you worry, the procedures that you should do will not damage your phone but will give you a hint as to why this is happening. So, if you have a Galaxy S7 and are experiencing a similar issue after the update, continue reading this post for it might help you fix it.  

Before we proceed, should you have other concerns with your Galaxy S7, visit our troubleshooting page for we have already addressed several issues that were reported by our readers. Find issues that are similar with yours and then use the solutions we suggested. If they don’t work for you or if you still need our help, then contact us by filling up our questionnaire.

Troubleshooting Galaxy S7 that can’t send texts after an update

Problem: I had an update from Android. Since the update, my messaging system is messed up. I can send a message to any of my Contacts without it coming back and saying it failed, but actually was sent.

Solution: As you said, the issue started after the update, it seems like this is just an app-related problem, that’s based on our experience. This isn’t the first time we’ve tackled an issue like this so we already know a thing or two about it. However, there’s also a possibility that this problem is due to a firmware issue that’s why we need to do some basic troubleshooting to determine what the problem really is all about.

Try to follow the procedures I suggested below to see if you can fix this problem on your own without any help from a tech…

Clear cache and data of Messages

Although a system update can fix issues, sometimes this is also one of the factors why problems occurs without apparent reason. So, what we have to do now is to try delete the cache and data of the messaging app, meaning, we have to bring it back to its default settings to make sure a new cache is created by the app. This is how you do it:

  1. From the Home screen, tap the Apps icon.
  2. Find and tap on Settings.
  3. Touch Applications and then Application manager.
  4. Swipe to ALL tab.
  5. Find and touch Messages.
  6. Tap Storage.
  7. Tap Clear cache and then Clear data, Delete.

After you’re done with the app reset, try to send a text message to your own number to know if it goes through and if you can receive it. If the message is not sent, move on to the next procedure.

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Restart phone in safe mode and trigger the problem

There are apps that can interrupt the proper operations of the phone and some may cause pre-installed apps to crash and not function properly. It’s one of the possibilities that we need to rule out so I need you to run your S7 in safe mode and then try to send a text message to your number to see if it goes through. This is how you boot your phone in safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the screen with the device name.
  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’.

If the problem is fixed in this mode, then it means there really is an app that’s causing the problem. Determine which of your apps is causing the problem and then uninstall it.

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Apps.
  4. Tap the desired application in the default list or tap Menu icon > Show system apps to display pre-installed apps.
  5. Tap Uninstall.
  6. Tap Uninstall again to confirm.

Call your service provider

When it comes to texting problems, it’s always possible that they’re due to network issues. So, if the problem is still happening even if your phone is running in safe mode, it’s time that you seek assistance from your service provider. Call the hotline and ask for the following:

  • Network issues or outages – temporary network issues in your area may affect the capability of your phone to send and receive text messages but tech supports know the status of the base station in your area, so ask them about it.
  • Message center number – every phone has a message center number and it’s very important when it comes to sending text messages. If you phone was bought somewhere else and not from your service provider, it may need to be configured to work with the network. It’s possible that the message center number was messed up so ask the tech support to walk you through in checking it out.
  • Account status – of course, if you account is not in good standing, you may not enjoy some of the services and the same is true if you haven’t paid your bills or don’t have enough balance in your account. The rep can help you find out what the real problem is.

After verifying every setting and everything in your phone looks fine but the problem persists, you should try the next step.

Wipe Cache Partition

System caches are temporary files stored in the cache directory that the firmware is using every time you launch an app, browse a web and perform other tasks. If these files become obsolete, there’s always a chance that they would cause problems like this. Just for the sake of ruling out this possibility, run your phone in recovery mode and then wipe the cache partition. The caches will be deleted by the system will replace them during the next boot up.

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  3. When the device logo screen displays, release only the Power key.
  4. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times key to highlight ‘wipe cache partition’.
  6. Press the Power key to select.
  7. Press the Volume down key to highlight ‘yes’ and press the Power key to select.
  8. When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  9. Press the Power key to restart the device.

If you still can’t send text messages after wiping the cache partition, then you are left with no other choice but to reset your phone.

Perform the Master Reset

It might be just a minor texting problem but since it’s not fixed by doing all the previous procedures, you have no other choice but to reset your phone. But before that, make sure you make a backup of your important files and data as they will be deleted during the process. Aside from the fact that the reset is effective in dealing with almost all app and firmware issues, you are also getting your phone ready as you might need to send it back to the store to have the tech take a look at it.

After the backup, take note of the Google ID (and its password) that you’re using in your phone. You need it to set the device up after the reset. Better yet, disable the Factory Reset Protection so that you won’t be locked out after the reset. Once everything is in order, follow these steps to reset your device:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  3. When the device logo screen displays, release only the Power key
  4. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times key to highlight ‘wipe data / factory reset.’
  6. Press Power button to select.
  7. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  8. Press Power button to select and start the master reset.
  9. When the master reset is complete, ‘Reboot system now’ is highlighted.
  10. Press the Power key to restart the device.

Should the problem continue to bug you after the reset, it’s time you bring it to the shop and let the tech handle the problem for you.

I hope that this troubleshooting guide can help you with your phone.

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