Galaxy Note5 keeps going to bootloop, won’t stay on unless plugged in

We are continuously getting more reports about all kinds of Galaxy Note5 issues so this troubleshooting article will answer some of them. This post covers four more Note5 problems sent our way for the past few days. Like in our other troubleshooting posts, solutions to each case vary depending on the circumstances. Be sure to also visit previously posted articles if you can’t find a working solution for your own issue here.

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.

Problem #1: What to do if Galaxy Note5 restarts on its own

Okay. So i have a Galaxy Note5 and since i did an update it has been going crazy on me. when i boot it up everything is fine.. then it varys how long it takes before things start to act up. phone will randomly restart whenever it feels like it, apps will crash and not necessarily apps i feel like i have even opened since last restart.. google services crashed, sonos app crash, samsung keyboard crashed.. all kinds of apps and functions crash.. it might be slow or sluggish og even freeze up and i dont know whether to wait for return or whether it will restart.. when it does restart sometimes it is not able to boot back up and i strand at samsung screen.. have to do a reset or whats it called (home, vol down and power button) I tried clearing cache, i tried factory reset from boot menu, nothing worked.. i did actually have luck in “safe mode” and got through an entire day with no problem.. however maybe i did not wait long enough as i would imagine then, that a factory reset would have helped.. but before installing any apps myself it was back in normal mode.. I don’t know what to do, and feel like a format is the only thing that might do the trick.. help please.

Solution: This type of problem can be caused by either a software glitch or a hardware malfunction. Since nothing has improved after exhausting all software solutions, you can assume that the problem may not be fixable on your end. We think your Note5 may have a battery issue at this time. Your device can already be considered “old” by today’s standard so power issues like this one can already be expected. We suggest that you call Samsung so they can run some tests and replace the battery if needed.

Problem #2: Galaxy Note5 keeps going to bootloop, won’t stay on unless plugged in

Hi, I have a Galaxy Note 5 that I have had on Straight Talk BYOP program for a while now with their SIM  card. About 2 weeks ago it started to restart and go into a loop of restarting unless I plug it in then it just restarts normally. But this restart happens whenever I do anything, and I mean anything for example, making a call, texting, checking my bank balance, etc. ANYTHING. If it’s plugged in I can do all I want and it doesn’t act up. I did have it upgraded to Marshmallow and had seen a lot of people having a lot of problems after this update but not as many have same problem as I do now and I have had the update for longer then the problem has existed. I went ahead and reverted it back to 5.1.1 and of course it still does the restarting/loop problems. HELP if you can, I really love this phone and don’t want to have to buy another one. 

Solution: Like in Problem #1, you’re probably looking at an old battery issue at this time. If reverting the software version did not help at all, consider having it checked by Samsung so they can replace the battery for you. If you feel confident of following some guides, you can replace the battery yourself as well. All you need to do is to get a new official Samsung Galaxy Note5 battery, some basic electronics kits, and a good DIY (do-it-yourself) guide from the internet.

Problem #3: Galaxy Note5 keeps showing memory is full

Actually this is a Samsung Note 5 with updated 6.0.1. It has supposedly reached a completely full memory, sometimes indicating 0.00 capacity. Thus no email, no text, no functioning apps, repeated failures. No matter how many things I delete the memory refills. I can watch remaining memory fill throughout the day. At one time the notification said I had 91Gb of downloaded apps but later in the day it said 57Gb. What!? The device can get REALLY hot. Before doing a factory reset I thought I should ask if I’m being used as a mining device for Bitcoin or other criminal intent. I’m gonna lose a bunch of info with a reset so hoping to avoid that. This is the second time in about 6 weeks for an identical failure. A previous factory reset either cleared the problem or just put everything back to zero but the problem has returned and I’m dead in the water as things stand. Thanks for any assistance.

Solution: We are not in a position to know whether or not your phone is infected with malware or if it’s being manipulated by another app to do bitcoin mining in the background. The symptoms you mention are vague and can be caused by an entirely different problem. If you suspect that your phone may be infected, you should wipe it clean with master reset then exert all effort to prevent it from being infected again. Most malware are spread by other apps. If you are not careful with apps you add after a factory reset, you will end up reinfecting the phone. There are other ways to get your phone infected like visiting websites, clicking on email links, or installing APKs from outside the Play Store. When it comes to virus prevention, you are the first line of defense. If you don’t pay attention to things you get from the internet, don’t be surprised to find malware in your phone. Android is the most targeted platform by malware developers so there really is a need for one to be careful.

If you haven’t tried wiping the phone yet, follow these steps to factory reset your Note5:

  1. Create a backup of your data.
  2. Turn off the device.
  3. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  4. When the green 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 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.

Problem #4: Galaxy Note5 screen won’t unlock

My password for the screen open security is not working. I try to a new code, by my same email, and was successful correct. But when I try to entry the new one, it says that is incorrect.  : -(

I read this. 1. Messages, contacts, and other data will no longer be backed up. To resume the backup, you will need to log in again to your Samsung account from your mobile device. ※ How to log in Settings > Accounts > Add account > Samsung account 2. If you are using Samsung Smart Home, the connection between the app and electronic devices will be disabled. 3. If you register the biometrics details of your banking apps with Samsung Pass, you need to log in again with your Samsung account. Now I can’t access to account; Settings > Accounts > Add account > Samsung account You can help. All account is in my name.

Solution: We don’t know if we understand your concern exactly but if you are having trouble unlocking the screen because you’ve forgotten the PIN, pattern, or any unlock method you previously set up, then the only option for you now is to factory reset the device. Before doing so, be sure that you have the correct Google account username and password that you used to sign in to this device. If you don’t know your Google account credentials, be sure to reset the password first to avoid putting your phone in Factory Reset Protection lock.

If your phone is already in Factory Reset Protection lock at this time, and you can’t remember your Google account password or username, you should visit a Samsung Service Center so they can unlock your device for you. For this purpose, they will ask you for the proof of purchase (receipt) and a valid identification. Be sure you have both.


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