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How To Fix Freezing, Unresponsive, Slow Performance Problems On Samsung Galaxy Note 4 [Part 1]

In this troubleshooting series we will tackle the freezing, unresponsive, and slow performance issues that owners of the Samsung Galaxy Note 4 are experiencing. While this is undoubtedly one of the most powerful smartphone available in the market today it is not exempt from performance related problems. Most of the time this is due to software related causes rather than a hardware fault.

Samsung Galaxy Note 4

If you own a Samsung Galaxy Note 4 or any other Android device for that matter then feel free to send us an email at [email protected] regarding any issue that you may have with your device. We will be more than happy to help you with any concern that you may have. This is a free service we are offering with no strings attached. We however ask that when you do send us an email try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.

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Note 4 Not Responding When Number Pad Is Used

Problem: Hi there, I am Jasmine and hope you can help me to resolve my note 4 problem. Got my note 4 a month ago and just noticed that the phone does not respond when number pad is used while making calls. I could not use the mobile phone to make any calls which require me to use the number key pad to select options before being connected to the right service option I desired. I have tried clearing data, cache from application manager and rebooted the set but still could not work. Please help.

Solution: Hi Jasmine, several other Android phone owners are also experiencing this same issue especially those who have upgraded their phone software to Lollipop. Try to check if there are any available software updates for your phone as this issue seems to be resolved in the latest update. If your phone is running on the latest update and the problem persists then try going to Settings then Call Settings. Check if there is an entry for DTMF tones. There should be two options here “Normal” and “Long”. I’m guessing the setting in your phone right now is “Normal”. Try changing this to “Long” and check if the issue still persists.

Note 4 Crashes When Playing Music After Lollipop Update

Problem: Hello guys. These are my issues after upgrade. The abnormal energy drain, 1he 51 minutes left of usage at 49 percent battery life. Playing music on any player crashes phone, doesn’t matter where music files located. Have done a clear of cache but not a factory reset. Hopefully someone figured it out.

Solution: If your phone crashes even when using different music apps then this may be a software related issue. Since this occurred right after you upgraded your device software then try to start with wiping the cache partition of your phone.

  • Turn the device off.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, Power key.
  • When the phone vibrates, release the Power and Home key but continue to press and hold the Volume Up key.
  • Continue holding the Volume Up key until the Android System Recovery menu displays and then release. This step may take several seconds.
  • Press the Volume Down key to highlight ‘wipe cache partition.’
  • Press the Power key to select.
  • When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device.

If the problem still remains then you should consider doing a factory reset. This is one of the best ways to eliminate issues that occur right after a software upgrade. Just make sure to back up your phone data before proceeding.

  • Turn off the phone. If the phone will not turn off, remove and re-insert the battery.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, Power key.
  • When the phone vibrates, release the Power and Home key but continue to press and hold the Volume Up key.
  • When the Android System Recovery screen appears, release the Volume Up keys.
  • Press the Volume down key several times key to highlight ‘wipe data / factory reset.’
  • Press Power button to select.
  • Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  • Press Power button to select and start the master reset.
  • When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device

Note 4 Keyboard Unresponsive After Lollipop Update

Problem: have been having problems with the Note 4 default keyboard ever since I updated the software to Lollipop. I will be in the middle of writing an Email or Text Message and it crashes and comes with a error message. And the keyboard will be unresponsive for a minute or so and then close down and then come back up. I cleared the cache and still have the same problem. Any advice to fix this?

Solution: Clearing the cache of your phone is the first thing to do in cases such as this. While it will usually resolve most issues, in this case the problem still persists. Your next step would then be to perform a factory reset. This is a highly recommended troubleshooting step for phones who have issues right after a getting major software update. Just remember to back up your phone data before proceeding with the steps listed below.

  • Turn off the phone. If the phone will not turn off, remove and re-insert the battery.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, Power key.
  • When the phone vibrates, release the Power and Home key but continue to press and hold the Volume Up key.
  • When the Android System Recovery screen appears, release the Volume Up keys.
  • Press the Volume down key several times key to highlight ‘wipe data / factory reset.’
  • Press Power button to select.
  • Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  • Press Power button to select and start the master reset.
  • When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device

Note 4 Reboots When No Signal Error Appears

Problem: Hi, My phone keeps re booting only when there is a signal issue with the mobile operator. I get the ‘’no signal icon’’ and then the phone reboots. It happens with every sim I tried, so it can’t be a defective sim card. This has been happening for a few months, I even tried a soft re-set, but to no avail. Please advice.

Solution: It’s good that you tried to use different SIM cards on your phone as this allows us to concentrate on other areas. We can now rule out the SIM card or the network causing this issue.

This issue may be caused by a faulty software or faulty hardware. Since it is easier to check the software side of things this is what we will be checking first.

Let’s check first if an app installed in your phone is causing this to occur by starting your phone in Safe Mode.

  • Turn the device off.
  • Press and hold the Power and Volume down key.
  • Release the Power key when the Samsung logo appears but continue to hold the Volume down key until the device finishes restarting.
  • Safe mode will display in the bottom left corner of the screen.
  • Release the Volume down key when you see Safe Mode.

If your phone does not reboot in this mode then the problem may be caused by a third party app. Find out what app is causing this and uninstall it.

If the issue occurs even in Safe Mode then I suggest you back up your phone data and do a factory reset.

  • Turn off the phone. If the phone will not turn off, remove and re-insert the battery.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, Power key.
  • When the phone vibrates, release the Power and Home key but continue to press and hold the Volume Up key.
  • When the Android System Recovery screen appears, release the Volume Up keys.
  • Press the Volume down key several times key to highlight ‘wipe data / factory reset.’
  • Press Power button to select.
  • Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  • Press Power button to select and start the master reset.
  • When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device

If the problem persists then this may already be caused by a faulty hardware. Bring your phone to an authorized service center and have it checked.

Note 4 Lag On Gallery App

Problem: I am still experiencing small lags in Galaxy Note 4 (SM-N910G). I have upgraded the device to the latest firmware, i.e., Android 5.0.1. I am experiencing a small amount of lag in stock Gallery app & Camera app. I have already factory reset my device & also formatted my sd card (my sd card is Samsung Evo 32 GB UHS-I class 10).I even tried ‘Reset app preferences’ option. But still when I open stock Gallery app, I have to wait for 3-4 seconds before I can scroll down. This is really annoying. (What I have observed is I can scroll down only when the ‘search’ symbol appears in Gallery App. And this takes at least 4 seconds.) I have already tried changing settings for Gallery app like selecting only ‘Show content in device’ option, or ‘turning off Dropbox sync’ & every other option. But still the lag (delay) is there. The same is the case with stock Camera app. When I take a photo & click on Gallery icon in bottom right corner, it takes about 5 seconds for the image to appear & interact with the screen. The further processes are fast. Now the issues which I am experiencing maybe experienced by everyone. I think it is typical old Samsung Touchwhiz lag. The device is pretty fast in rest of the areas, but default Gallery & Camera app are still not smooth (as they are on the Galaxy S6). Even if there is no solution for this issue, could your team please forward this to Samsung team? This will help them to fix these ‘lags’ in further Android upgrades. Thank you.

Solution: Have you tried using a different microSD card in your phone and check if the lag still occurs? If it doesn’t then there may be an issue with the current microSD card you are using.

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Feel free to send us your questions, suggestions and problems you’ve encountered while using your Android phone at [email protected]. We read every email but can’t guarantee a timely response. Lastly, if we were able to help you, please help spread the word by sharing our posts with your friends. Thanks.