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Galaxy Note 4 takes a long time to send and receive SMS, mobile data not working, other issues

Hello Android community. Welcome to another #GalaxyNote4 article that addresses some problems reported to us by some members of our community. Don’t forget to keep watching for more of the same articles in the coming days.

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page.

When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.

Below are specific topics we’re bringing for you today:

Problem 1: Galaxy Note 4 can’t send SMS

I have a Samsung Galaxy Note 4. Text message started acting up. it would take a good 30 minutes to receive a text and when I tried to send a text the recipient would get it but it showed on my phone that it was still trying to send. The next day my texts would not send at all. Failure message on every text I try to send (tried multiple people) but now I can receive text within a timely manner. Talked with AT&T who said to check for system update and if that didn’t work factory reset. No update available. after reading other suggestions online I tried changing the message center number in settings, that did not work. Lastly was forced to that redeye factory reset. Ever after completely factory reset still cannot send texts but can receive texts. AT&T guy said its likely not the SIM card since it would work sometimes and i was receiving texts. I can make and receive phone calls as well. It seems every function on my phone works except successfully sending texts. Is there anything else to try? — Nicole

Solution: Hi Nicole. Firstly, we want to emphasize the point that an issue like this should be within your network operator’s scope of support, especially if your phone came from them. There’s no better support team that can help you with this one than them.

Secondly, there are two sets of troubleshooting that you must do. The first one is device troubleshooting. This one covers the usual software troubleshooting steps that we recommend and some that you may encounter when checking other forums and supports sites in the web. The second set of troubleshooting must be done by your carrier’s support team. This type of troubleshooting can’t be done by an end user like you because they involve account- and network-related checks that only your carrier know how to do.

If you’ve already tried a factory reset before, the problem is more likely network- or account-related so you should continue to work with your carrier.

Before contacting them again, it’s also good if you can try another messaging app to see if the current one you’re using is problematic.

Also, try to see if a third party app is involved by restarting the phone to safe mode. When safe mode is enabled, all third party apps will be prevented from running. If the issue won’t occur while the phone in safe mode, that’s proof that our hunch is correct. You must uninstall third party apps until the issue has been eliminated. Below are the steps on how to do it:

  1. Turn off the phone completely.
  2. Press and hold the Power key and the Volume Down key.
  3. When the phone starts to boot, release the Power key but continue holding the Volume Down key until the phone finished restarting.
  4. Safe mode will be display at the lower left corner; you may release the Volume Down key now.

Problem 2: Galaxy Note 4 takes a long time to send and receive SMS

I have a Galaxy Note 4 and ever since 5/8/17, it takes forever to send a text message. And sometimes, it takes a very long time to also receive a message. All the while, this drains my battery down to almost nothing, as the phone is trying to send and receive. I have taken the battery out and cleared the cache, nothing seems to improve this issue. Also, at the time time I started having problems sending and receiving text, I also get a notification on my device after a power on that say “checking device status” which lasts for a few minutes.

I have never had that before the texting issue. How can I fix my phone please? — Dlrmg

Solution: Hi Dlrmg. One of the first things that you should do in this case is to ask yourself what you did differently that may have changed something in the phone to cause this problem. Did you install another app, an Android update, or change some network settings? If you did, try to reverse it by, say, uninstalling the newly installed app and observe the phone.

If nothing was changed on the phone and the issue appeared out of nowhere, you must do some software troubleshooting.

Wipe the cache partition

The first software troubleshooting that you want to do is cache partition wipe. This will allow you to eliminate possible system cache problem. Here’s how to do it:

  1. Turn off the Galaxy Note 4 completely.
  2. Press and hold the Volume Up and the Home keys together, then press and hold the Power key.
  3. When the Note 4 vibrates, release both the Home and Power keys but continue holding the Volume Up key.
  4. When the Android System Recovery shows on the screen, release the Vol Up key.
  5. Using the Volume Down key, highlight the option ‘wipe cache partition’ and press the Power key to select it.
  6. When the wiping of the cache partition is finished, highlight ‘Reboot system now’ and hit the power key.

Delete messaging app’s cache and data

Should cache partition wipe fail to deliver a fix, your next move would be to delete the cache and data of the messaging app. This will deal with the possible app-level bug causing the problem. Here’s it’s done:

  1. Open the Settings menu either through your notification shade (drop-down) or through the Settings app in your app drawer.
  2. Navigate down to “Apps”. This may be renamed to something like Applications or Application Manager in OEM skinned versions of Android 6 or 7.
  3. Once in there, click on an application.
  4. You’ll now see a list of stuff that gives you information about the app, including Storage, Permissions, Memory Use, and more. These are all clickable items. You’ll want to click on Storage.
  5. You should now clearly see the Clear Data and Clear Cache buttons for the application.

You want to clear the app’s cache first. Once you’ve done that, try to check if it can start working normally again. If the problem stays, clear the messaging app’s data.

Try using a different messaging app

We don’t know what messaging app you’re using but if it’s a non-Samsung one, try using the native messaging first and observe how it works. If the problem persists, try a different third party messaging app like Textra.

Wipe the phone with factory reset

If you can’t figure out what’s causing the problem, revert all software settings and apps to defaults and see how it goes. This should be the last step that you must do on your end.

  1. Create a backup of your important files such as photos, videos, contacts etc. You can use Smart Switch for this task.
  2. Turn off the Galaxy Note 4 completely.
  3. Press and hold the Volume Up and the Home keys together, then press and hold the Power key.
  4. When the Note 4 vibrates, release both the Home and Power keys but continue holding the Volume Up key.
  5. When the Android System Recovery shows on the screen, release the Vol Up key.
  6. Using the Volume Down key, highlight ‘wipe data / factory reset’ and press the Power key to select it.
  7. Now highlight ‘Yes — delete all user data’ using the Vol Down key and press the Power key to begin the reset.
  8. When the master reset is complete, highlight ‘Reboot system now’ and hit the Power key.
  9. The Note 4 will restart but it will be longer than usual. When it reaches the Home screen, then begin your setup.

Contact your carrier

If all else fail, you must let your carrier know about the problem.

Problem 3: Galaxy Note 4 mobile data not working

I have a Note 4 for over a year now and it has served me very well. All of a sudden my data does not load. The icon indicates the upload and download of data but nothing loads — no messages, no web browser. I can use wifi, however, but I don’t have wifi connection at home and my data connection is my main access to the internet. I have one shut offs, shut off with battery pull, reset APN, reset entire phone, tried a new SIM card and it still doesn’t work! My original SIM however works in another phone so I know it’s a phone problem. — Matt

Solution: Hi Matt. If a factory reset did not fix the issue and you’re 100% positive that there’s no account problem at all, then you’re right. It must be a phone problem. The

modem may no longer be working properly at this time. Unfortunately, there’s no way to test this particular chip directly so you must either send the phone in or prefer to just get it replaced.

Sometimes, modem issues can be fixed by installing updates. You can install Smart Switch app in your computer so you can connect your phone to it via USB cable and check if there’s an available update that you can install. If Smart Switch will say that there’s no update for the device, or if there’s no prompt to say there’s an available update, you’re out of luck.

Problem 4: Galaxy Note 4 restarts randomly, freezing, lagging issues

My device lags terribly and switches itself off and fails to power on unless I remove the battery and put it back… it then goes into Odin mode…. it freezes a lot and processes lag a lot… I have performed factory resets but to no avail…when it lags it switches itself off or freezes or just shows a blank screen with the background… please help I got the phone about a year back. — Nicholas

Solution: Hi Nicholas. An issue like this can be caused by either a software or hardware issue. Since we know that it’s not a software problem because factory reset did not change anything, we can assume that bad hardware is to blame. To fix the issue, you should first try battery replacement as freezing or lagging issues can sometimes be caused by a malfunctioning battery.

If a new battery won’t solve the problem, have the phone repaired or replaced.

Problem 5: Galaxy Note 4 restarts on its own

Hi. I have had my Note 4 for a year and a half and it’s been great. Recently it has started turning itself off for no apparent reason. It can happen anywhere from 10% to 75% charge. When it goes off it won’t turn back on until I remove the back cover and remove the battery then putting it back in it wit doesn’t ill restart. Thinking it may be the battery I bought a new Samsung genuine battery but the same happens. All my apps are updated regularly as is the phone itself. What I have noticed is that it has not shut down once the mobile data is turned off. I have just carried out a factory reset with the SD card removed and it has still shut down. The phone does get quite hot at times even with the new battery. I don’t use games and I don’t have a lot of apps. in fact since the factory reset I have not added any new ones. One tip from someone was to put some paper at the base of the battery to give it a better fit which one guy said cured his problem but it still shuts down. Help please. Many thanks.  — Michael

Solution: Hi Michael. We don’t know nothing much about your device to identify the true cause of your problem but if your phone was physically impacted or damaged before, there’s a chance that there’s bad hardware behind the trouble. In that case, we suggest that you skip all software troubleshooting and proceed to repair or replacement right away. There’s no amount of tweaks or software hacks that you can do to solve bad hardware. We don’t think the cause of the problem is software because you’ve already tried factory reset in the first place. There may be a component or parts that are no longer working properly at this time.

Problem 6:  Galaxy Note 4 not charging, not turning back on

Hi. I had issues with my Samsung Galaxy Note 4 for a week.

 

  • Initially it was about the message “Downloading…do not turn of this screen”.
  • Removed the battery, tried to switch on the phone. it would start sometimes and would not other times.
  • Removed the battery and held the power button to drain the charge and once the battery was plugged in, the phone started. This worked fine, but had to repeat it everytime the phone got locked.
  • Did cache clean up. Problem still persisted.
  • Did factory reset. Seemed to be fine on first restart. Installed all the apps.
  • The phone screen was locked and then phone was switched off and has not started since then.
  • Replaced the battery, plugged it to a laptop. The phone does not charge on plugging it to the charger, it does not start. Can you please guide. — Kartik

 

Solution: Hi Kartik. There’s only so much that you can do about this problem. If the phone no longer turns back on normally, the most likely cause is hardware in nature. Try to see if you can turn it back on to alternate modes by following the steps below. If your Note 4 remains unresponsive to different hardware button combinations, the hardware is most probably dead. You should have it repaired or replaced.

Below are the steps on how to turn the phone on to different modes:

Boot in Recovery mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. You can either wipe the cache partition or do a factory reset when in this mode.

Boot in Download Mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and then hold the Home and Volume DOWN keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume DOWN keys.
  4. Wait until the Download screen appears.
  5. If you can boot the phone in download mode but not in other modes, that means that your only way out may be to flash a stock or custom firmware.
  6. Use Google to look for a guide on how to do it.

Boot in safe mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and hold the Power button.
  3. Once the ‘Samsung Galaxy S7’ logo appears, release the Power key and immediately press and hold the Volume Down button.
  4. Continue holding the button until the phone finishes rebooting.
  5. Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.
  6. The only difference of safe mode from normal mode is that the former prevents third party apps from running. If you can boot the phone in safe mode but not in normal mode, uninstall all apps until the issue (that prevents you from booting normally) is eliminated.

Problem 7: Galaxy Note 4 keeps switching off

Good day. I bought a Samsung Note 4 from a friend. The problem i have with this phone is that it keeps switching off, either when i go into FB or want to browse the internet. Even when i want to work in Photo studio as well as when i want to download from the Play Store. It won’t switch back on until i either take the battery out or plug the charger in. I have done the following and nothing seems to have worked:

  • Bought a new battery
  • Factory reset
  • Deleted FB and reloaded it
  • Today i deleted all the apps that i loaded, hoping that it would not switch off, but it did.

This afternoon when i went into the internet it died. When i tried to load Advanced App Killer, it died again!! Please help me! — Diane

Solution: Hi Diane. There are hundreds, if not thousands, of possible hardware issues that can happen in any smartphone due to huge number of components that work together. If one hardware component like a power IC is not working properly at this time, it can result to problems you’re experiencing right now. The entire system works like a chain and if one component is not working properly, the chain will no longer work as it should. That factory reset did not fix the problem is a sign that this is not a software problem at all. Software issues are relatively easy to fix than hardware ones and usually, they are usually addressed by a factory reset. Try to see if you can return the phone to your friend so you can get a refund. Otherwise, your only choice is repair or replacement.

Problem 8: Sprint Galaxy Note 4 cannot send MMS over AT&T network

This is a Sprint phone unlocked and changed over to ATT. All worked well till about two weeks ago. I currently can not send out MMS messages (no problem with SMS or receiving MMS messages. I tried message app, ATT message app and even Google Android message app ( it asked for my phone number, but still will not send an MMS text) Under About Device>Status  my phone number is 0. could this be the problem, and if so how to put in the correct number? Went to ATT and they put in new SIM card, no change. Went online to ATT Web pages, added two new APNs based on ATT, still no work. Love my note, but new one not out yet. help? — Rich

Solution: Hi Rich. The network settings may had been changed, resulting to your phone being unable to send MMS. Using a new ATT SIM card will not help in this case because you have a CDMA phone, which means that the SIM card is there only for 4G LTE. The core system files that handle network functions may still need to be modified again after it was reverted to its original Sprint setup, or to something else. We don’t know anything about your phone or how it’s been modified to work in a GSM network like AT&T so you must let someone check it physically so specific software changes can be done on it. If a shop did the software modification on this phone before, you need to bring the phone back to them to check if there’s something that they need to change again.

 


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