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Galaxy Note 5 draining battery fast after an update, battery keeps showing incorrect level, other issues

Welcome to the final #GalaxyNote5 post for this week. In this article, we bring you 6 more Note 5 issues that were submitted to us. We hope that the solutions we provide can help not just those mentioned here but also those who may be experiencing a similar situation.

Below are the specific topics we are covering for you today:

  1. Galaxy Note 5 fails to boot up after unlocking
  2. Galaxy Note 5 charging port not working
  3. Galaxy Note 5 battery keeps showing incorrect level
  4. Galaxy Note 5 draining battery fast after an update
  5. Galaxy Note 5 won’t boot to Recovery mode
  6. Rooted Galaxy Note 5 won’t boot up normally | Galaxy Note 5 stuck in Samsung logo screen

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, or you can install our free app from Google Play Store.

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: Galaxy Note 5 fails to boot up after unlocking

Good evening. I’ve been having some issues with my Note 5. For starters, ever since I unlocked the phone to work anywhere in the world it keeps resetting itself and gives me the error KERNEL IS NOT SEANDROID enforcing custom binary block by FRP lock. Just now I downloaded an application so that I could connect my phone to a computer because I was not able to do it ever since the unlocking of the phone. I then installed an app that helped me with this which is called USB something (I can’t really remember the name). I then turned off my phone to charge it so that I could download the update and I haven’t been able to turn it on since. I followed some steps that you provide on the page regarding the error mentioned, but when I do the wipe cache option nothing happens after.

Is there anything else I can do before I do a factory reset? Also, I’m not very sure of the Android version. Thank you in advance for your time! Kind regards. — Monica

Solution: Hi Monica. There’s only so much that you can do if the phone is unable to boot up. Try booting the phone to safe mode first to see if you can turn the phone on that way. Here’s how to do it:

  • Turn off the phone completely.
  • Press and hold the Power key.
  • Once ‘Samsung Galaxy Note5’ shows, release the Power key and immediately press and hold the Volume Down button.
  • The phone will restart but keep the Volume Down button pressed.
  • Once the phone has finished restarting, ‘Safe mode’ will be display in the lower-left corner of the screen.
  • You may now release the Volume Down button.

If the phone remains unresponsive, try a factory reset.

Problem #2: Galaxy Note 5 charging port not working

I have had an odd issue with my Samsung Galaxy Note 5 out of nowhere. Here is a summary, I hope you can shed some light! Thank you in advance. Started draining battery too fast while plugged in and charging. Wasn’t charging at all while on, or very slow, even when not in use. I started turning it off to charge which helped. I thought it may be software related so I did a factory reset. Seemed to be better for a short while but not positive. After about a month, the device one morning didn’t turn on. Screen flickered and would not take a charge at all. No change while plugged in, etc. Technician said it was battery after diagnosis. Long story short, he couldn’t get a battery and he wasted 2 weeks of my time so I ordered a replacement with overnight shipping, watched the included video on how to replace it and did it myself in less than 10 minutes. Turned it on, it was 19% battery so I plugged it in, all was fine. 2 hours later it was 37% and I was about to use it for my first time in weeks when I noticed it was still plugged in but not charging icon! I tried swapping chargers, cables, nothing changed. I opened it back up and noticed one ribbon ran from charge port to battery so I reset the connection. No change. I removed the entire battery and reinstalled, plugged it in and no change. I put it down and started searching on my phone when I heard it beep for charging! It started to charge so I unplugged it and plugged it back in. Not charging anymore! Tried wiggling the wire gently, it never beeped again. Not sure what to do, maybe charge port? Why would it just stop working? No damage, quality cables, it was working and now it’s not. Any help is appreciated. Thank you! — Kevin

Solution: Hi Kevin. We need to examine the hardware ourselves in order to answer your questions. That replacing the battery did not change anything means that the next logical component to check in this case is the charging port. If it’s not the charging port, the power management chip on the motherboard may be the culprit. Our blog does not provide hardware troubleshooting and solutions though so please look for other online resource should you want to do the repair yourself.

Problem #3: Galaxy Note 5 battery keeps showing incorrect level

Hi guys! I have Note 5 from Verizon and it seems like I have a battery drain issue. I’ve tried to wipe data but nothing really changed. “Safe mode” too didn’t change anything. I’ve noticed that when I plug the charger, it jumps 4% or 6% suddenly. For Example: my phone was 3% today and when I plugged the charger it jumped to 7% and this is happening everytime I charge my phone when it’s under 10%. Do I have to change my battery and get new one? Or should I use a software knowing that I’ve tried that too! — Ibrahim

Solution: Hi Ibrahim. An issue like this can be caused by bad software just as by malfunctioning hardware. Thus, the first thing that you want to do is to try to identify which is which. This is done by performing software troubleshooting. The logic is that if no software solution can fix the issue, hardware must be to blame.

To start, you want to ensure that the operating system is reading the battery levels correctly. Sometimes, Android may get confused in detecting the actual battery power level so you want to train it again.  To do that, you must recalibrate the battery by following the steps below:

  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.
  10. Observe the phone for a few days.

Observing the phone for a few days should give you enough time to see any difference. If the problem remains, you must try a factory reset. Factory reset will revert all software to their known, working state. So, if the glitch has developed after unboxing the phone, factory reset should take care of it. Here are the steps on how to do that:

  1. Create a backup of your important files.
  2. Turn off your Samsung Galaxy Note 5 completely.
  3. Press and hold the Volume Up and the Home buttons first, and then press and hold the Power key.
  4. Keep the three buttons pressed and when ‘Samsung Galaxy Note5’ shows, release the Power key but continue holding the other two.
  5. Once the Android logo shows, release both the Volume Up and Home buttons.
  6. The notice ‘Installing system update’ will show on the screen for 30 to 60 seconds before the Android system recovery screen is shown with its options.
  7. Use the Volume Down key to highlight the option ‘Yes — delete all user data’ and press the Power key to select it.
  8. When the process is complete, use the Volume Down key to highlight the option ‘Reboot system now’ and hit the Power key to restart the phone.
  9. The reboot may take a little longer to complete but don’t worry and wait for the device to become active.

If nothing will change after a factory reset, consider having the phone repaired or replaced.

Problem #4: Galaxy Note 5 draining battery fast after an update

I used to full charge my Note 5 daily at night and take it out of charger at 7.30 AM when I am going to work. The phone’s battery will last until 9 pm until it gets 5% and have to recharge it which is fine for me. But from almost previous week Samsung asked me to update the software and I did and since that time my battery life last only 4 or 5 hours and it is really disturbing. My phone still new. I purchased it 3 months ago. It is really annoying. please help me with the solution. — Nasser

Solution: Hi Nasser. There are three possible solutions that you can try for this issue.

Update ALL your apps. While many Android users are keen to install whatever system update are presented to them, these same users may not be as keen when it comes to updating their apps as well. It’s no wonder a lot of people starts complaining afterwards that their phone has suddenly become unstable, or experiencing issues. Keep in mind that installing a system update does not mean apps are automatically updated as well. This situation can be problematic, especially if there’s an incompatible app installed. If you haven’t updated your apps at this time, make sure that you do so as soon as possible.

Wipe the cache partition. Updates or app installation can sometimes corrupt the system cache. Once that happens, some apps or phone features may not work properly. Since the problem occurred right after an update, you want to ensure that the system cache is refreshed. Here’s how:

  • Turn off your Samsung Galaxy Note 5 completely.
  • Press and hold the Volume Up and the Home buttons first, and then press and hold the Power key.
  • Keep the three buttons pressed and when ‘Samsung Galaxy Note5’ shows, release the Power key but continue holding the other two.
  • Once the Android logo shows, release both the Volume Up and Home buttons.
  • The notice ‘Installing system update’ will show on the screen for 30 to 60 seconds before the Android system recovery screen is shown with its options.
  • Use the Volume Down key to highlight the option ‘wipe cache partition’ and press the Power key to select it.
  • When the process is complete, use the Volume Down key to highlight the option ‘Reboot system now’ and hit the Power key to restart the phone.
  • The reboot may take a little longer to complete but don’t worry and wait for the device to become active.

Wipe the phone via factory reset. As mentioned above, factory reset should revert software settings to their factory state. If the glitch is on the operating system level, factory reset should help you fix it. Here’s how it’s done:

  • From the Home screen, tap the Apps icon.
  • Find and tap the Settings icon.
  • Under the ‘Personal’ section, find and tap Backup and reset.
  • Tap Factory data reset.
  • Touch Reset device to proceed with the reset.
  • Depending on the security lock you used, enter the PIN or password.
  • Tap Continue.
  • Touch Delete all to confirm your action.

Problem #5: Galaxy Note 5 won’t boot to Recovery mode

My phone is frozen on the Samsung Galaxy Note 5 screen, and then it goes to the blue downloading screen. I tried to follow your troubleshooting advice. How long to I need to press the power, volume up and home key before I feel the vibration to release the power key? I held all three keys down for 6 minutes and felt no vibration, nor did I see anything on the screen. If I need to hold it longer, I will, but please advise. — Cory

Solution: Hi Cory. There’s no need to hold the buttons that long. If your phone can boot to Recovery mode, you only need to press and hold the Volume Up, Home, and Power buttons for a few seconds. If you don’t feel the vibration until then, that means that your phone is unable to boot to recovery at all. That means that there may be an issue with the buttons (or one of them), or there’s an unknown hardware malfunction behind the trouble.

If you can’t boot the phone to recovery, consider restarting it to other modes. Here’ s how:

Boot in Download Mode:

  • Charge the phone for at least 30 minutes.
  • Press and then hold the Home and Volume DOWN keys, then press and hold the Power key.
  • When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume DOWN keys.
  • Wait until the Download screen appears.
  • 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.
  • Use Google to look for a guide on how to do it.

Boot in safe mode:

  • Charge the phone for at least 30 minutes.
  • Press and hold the Power button.
  • Once the ‘Samsung Galaxy S7’ logo appears, release the Power key and immediately press and hold the Volume Down button.
  • Continue holding the button until the phone finishes rebooting.
  • Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.
  • 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.

If the problem remains after doing the hardware button combinations above, contact Samsung for repair or replacement.

Problem #6: Rooted Galaxy Note 5 won’t boot up normally | Galaxy Note 5 stuck in Samsung logo screen

Hi my name is Angel I have problems with my Samsung Note 5 phone. I reboot my Note 5 but it got stuck on the log. i waited several minutes but nothing happened. I retried several times but nothing happened. I watch several videos to see i was able to get some help. But nothing happen i was reading your page and also follow all steps you put. But still i am stuck on the Samsung logo. My phone is rooted I don’t know what to do know. if you could please help me. My phone is a Samsung Note 5 SM-N920T from T-Mobile. — Angel

Solution: Hi Angel. We don’t support rooted phones as well as devices that uses customized software. There’s a chance that your issue may be caused by the root software you’re using, or by one of the modifications made on your device. We suggest that you ask assistance from the developer of the root software you’re using, or from the community that uses it.

In some cases, unrooting a device and/or flashing stock firmware resolves issues so you can also try them. If you don’t know how to unroot your device, simply consult the developer or do some research via Google on how to do it. Some root software can be removed by doing a master reset too so if you haven’t tried that, follow these steps:

  • Turn off your Samsung Galaxy Note 5 completely.
  • Press and hold the Volume Up and the Home buttons first, and then press and hold the Power key.
  • Keep the three buttons pressed and when ‘Samsung Galaxy Note5’ shows, release the Power key but continue holding the other two.
  • Once the Android logo shows, release both the Volume Up and Home buttons.
  • The notice ‘Installing system update’ will show on the screen for 30 to 60 seconds before the Android system recovery screen is shown with its options.
  • Use the Volume Down key to highlight the option ‘Yes — delete all user data’ and press the Power key to select it.
  • When the process is complete, use the Volume Down key to highlight the option ‘Reboot system now’ and hit the Power key to restart the phone.
  • The reboot may take a little longer to complete but don’t worry and wait for the device to become active

 


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2 Comments

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  1. my samsung galaxy note 5 battery after using it for about one year swelled up enough to open the casing on the phone

  2. Fast Charging Not Working After System Update
    Android 7. 0 nougat
    Problem: Hi, My note 5 just had a system update on 30/3/2017. After this update the fast charging does not work any more. It now takes 5-6 hours to fully charge my phone (according to the estimate notice when plugged for charge).
    The problem persists after I make sure doing the followings. I had fast charging in setting turned on I used fast charging adapter I tried different fast charging adapters of my wife and kids, but same problem I tried restart and turned off/on after the system update please answer me

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