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Troubleshooting Note 4 overheating with random reboot issue, other boot issues

Welcome to another #GalaxyNote4 post of the day. We bring you 4 more Note 4 issues in this article so we hope that you’ll get something useful out of it.

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 having a hard time turning on

Well, my phone is actually working properly if its “on,” power button, the displays, sound keys, menu button even the charging. Everything is working smoothly and properly but the problem is whenever i turn it off or try to remove the battery. I’m having a hard time to turn it back on ( considering that the battery is full charge). I don’t have any idea what’s the problem of the phone . tried to ask some assistance to our local technician . someone told me its the board itself .. some of them told me its the MMC . but since the only issue here is that it doesnt work properly when i remove the battery or tried to reboot it , it totally shuts down .. i personally dont agree that the problem is the board cause i play always , i dont experience lag or what … guys please help me .. i really need your help thanks a lot. — Harold.cuevas1968

Solution: Hi Harold. If the problem only occurs when you try to power the phone back on and not when it’s operating already, the issue may lie on the power button. Though it’s rare, any of the hardware buttons —  Power and Volume rocker — can sometimes go bad. In some cases, it’s because of wear and tear over the years. For some, it can be due to physical damage, like after the phone has been dropped or got wet. We suggest that you let a professional check how the Power button work at this time and replace it with a new if necessary.

Problem 2: Troubleshooting Note 4 overheating with random reboot issue

My phone turns off by itself and sometimes it won’t start back up. I have to remove the battery first and when it starts up it freezes and it won’t turn on and for no reason it starts heating up.. my phone keeps turning on and off sometime it won’t turn on in all day so most of the time’s I can’t use my phone and when I use it it over heats and turns off. I have only had this phone for couple months and it’s giving me problems I paid over 300 dollars for it. — Rebeles1986

Solution: Hi Rebeles1986. The first Galaxy Note 4 was released years ago so we believe your phone is not a brand new phone. Buying a pre-owned electronic device is really a game of chance. If you’re lucky, you may have a normally working device but in some cases, some users may start to encounter all sorts of problems after some time. Since we don’t know the full history of the device, there’s no way for us to determine what exactly is going on. The best that you can do is to narrow down possible reasons of the problem.

As far as this type of problem is concerned, there are a few things that you want to check. Basically, your troubleshooting goal is to determine whether there’s a software glitch behind it, or if bad hardware is to blame.

Factory Reset

Overheating, together with other issues like random reboot and failure to turn back on, are usually indications of hardware malfunction so the first troubleshooting step that you want to do is factory reset. This will give you an idea right away if this issue can be fixed on your end with software solutions, or if you need to send the device in.

Factory reset returns all software settings to their default known working settings. If the cause of your problem is a bug or an app, the issues you describe above should not occur after a factory reset.

To factory reset your Note 4, follow these steps:

  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 Volume 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 Volume 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.
  10. Observe the phone for 24 hours. MAKE SURE NOT TO INSTALL ANYTHING ON IT.

Replace the battery

Another good thing to do in this case is try another known working battery. If you have a friend with the same phone model, try borrowing his or her battery and see if your phone will work fine with it. If you can’t borrow a Note 4 battery, you may also buy a new one. We don’t recommend that you do this though as there’s a possibility that a new battery will not work, especially if the issue is motherboard-related.

Recalibrate the battery

If the problem continues right after you’ve factory reset the device (and when there are no apps installed), try to recalibrate the battery. Sometimes, Android may lose track of the true battery levels so retraining it after a factory reset is a must. Here’s how it’s done:

  1. Use the phone by playing games or doing tasks to hasten power discharge, until the phone turns itself off.
  2. Turn the phone on again and let it turn itself off.
  3. Charge the phone without turning it back on.
  4. Wait until the battery says it fully charged to 100%
  5. Unplug the charger and turn the phone on.
  6. If the phone says it’s not 100% anymore, turn it off, plug the charger back in and wait until 100% charge is reached.
  7. Unplug the charger the turn the phone on again.
  8. Use the phone until you drain the battery down to 0.
  9. Repeat the cycle once.

Have the phone repaired

If nothing will change after doing all the steps above, you’re out of luck. Your phone is most probably suffering from hardware malfunction. Overheating is usually caused by bad component although in some cases, a software glitch can be to blame too. Overheating that results to the phone randomly rebooting is a common sign of a motherboard issue so the best chance you’ve got is repair. If possible, try to bring it to a Samsung repair shop.

Problem 3: Galaxy Note 4 won’t charge using any charger

My phone use to charge with all kinds of any different cords. Now all of a sudden it only charges when I plug it into the USB on the back of my Dish hopper. Other than that it does not charge, it just vibrates and vibrates and that’s all it does until I plug it into the back of my Hopper from Dish. Not even my car charger it works on? But I have no problems before. I don’t understand.

One night a little Android came on my phone and it said, “Do not shut off target!” Then it said “downloading…” But it stayed like that for hours and hours and hours?! finally I just turned it off. That was 3 nights ago. Then it started doing this. –Lelunaolive

Solution: Hi Lelunaolive. If your Note 4 still charges fine with at least one device, the issue may be software-related. Make sure that you try the suggested steps for Rebeles1986 above to fix it. Start by doing a battery calibration first, followed by factory reset. If that won’t work, consider a battery replacement and repair.

Problem 4: Galaxy Note 4 stuck in Download mode, won’t charge or turn on

ANDROID ICON POPPED UP AND SAID DON’T TURN OFF TARGET AND THEN THE PHONE CUT OFF. IT WAS ON CHARGE AT THE TIME, NOW IT WON’T CHARGE, IT WON’T TURN ON. THE ONLY THING IT WILL DO, A FEW MINUTES AFTER YOU PLUG IT IN TO CHARGER, A SCREEN WITH THE BATTERY CHARGING ICON SHOWS UP AND QUICKLY GOES OFF. — Jennifer

Solution: Hi Jennifer. The first step that you want to do here is to ensure that you try another charger. Make sure that you use a  working Samsung charger from another phone or Note 4. if the phone won’t charge still boot the phone to Recovery Mode and try a factory reset. Remember, there’s nothing much that you can do if the phone stays dead. If a new charger won’t power on the phone, you won’t be able to boot it to Recovery Mode at all. However, if you can boot it to Recovery and perform a factory reset, there’s a chance that the problem will be fixed.

To see if it’s a battery-related problem, you can also try another battery.

 


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