Galaxy Note 4 not detected by ADB in PC, other issues

This is our first #GalaxyNote4 post for this week. We hope that solutions in this material will not only be beneficial to people mentioned here but to other Android users who may be experiencing similar problems. For those looking for other solutions, try to visit our main Galaxy Note 4 troubleshooting page, or simply keep watching for more Note 4 posts in the coming days.


Below are the specific topics we discuss in this article:

  1. Galaxy Note 4 losing battery power fast after updating to Lollipop | Galaxy Note 4 fast charging feature not working
  2. Rooted Galaxy Note 4 won’t turn back on after unrooting process
  3. Galaxy Note 4 randomly reboots after installing Android Marshmallow
  4. Galaxy Note 4 fails to turn back on after putting case improperly
  5. Galaxy Note 4 shuts down on its own when battery level reaches 20%
  6. Galaxy Note 4 not detected by ADB in PC | Galaxy Note 4 overheating when connected via USB cable

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 4 losing battery power fast after updating to Lollipop | Galaxy Note 4 fast charging feature not working

Hi there! The battery of my Note 4 is draining too fast. It started during the Lollipop update, where battery drains faster. Then lately, perhaps because of the Marshmallow update, draining has become very much faster. I’ll narrate the problems that I’ve encountered with the battery.

  1. Phone shuts down by itself even if it’s not 0%. The worst so far is that it shut down while was at 30%. What I sometimes do is to remove my battery for few seconds and plug it back on. Sometimes I’ll see the percentage increase (but will decrease again fast) or dramatically decrease. There are instances that once I plug it to power source and turn it back on, I’ll find out that some apps are updating or need to be updated. I’m not sure if these updates affect my battery life instantly.
  2. Charging problems. The promise of “fast charging” does not hold true anymore in some instances. Instead of 2+ hours, it turns out to be 6 hours max. Aside from that, I have to plug/unplug the USB connector several times to enable fast charging feature. Now I’m doubting if it’s the battery or the charger that is having a problem. My sister told me that she once used my charger for her phone that does have the fast charging feature. I’ve read your suggestions to reboot the phone and clear cache partitions but the battery has kept on draining after accomplishing these steps.

I haven’t tried factory reset yet as it may delete the contents of my phone. Please give me some pieces of advice before I decide to buy a new battery or charger. Thank you so much in advance. P.S. My phone is almost 2 years old. — Christine

Solution: Hi Christine. Before you do something about the first issue regarding battery drain, there are two important points that you should know about the battery itself.

  1. The battery on your Note 4 is Lithium-based. There are many types of batteries out there but smartphones like Samsung devices uses Lithium-ion batteries. This battery does not need a lot maintenance like the other types but it does have its own drawbacks. One of the weaknesses of this type of battery is it’s sensitivity to temperature extremes. If your phone is constantly in use causing internal temperature to rise, the battery may get easily damaged. This is why it’s never advisable to leave a phone inside a heated car under direct sunlight, or placing the phone near a heat source as heat can cause the cells to lose capacity faster than it should. Extreme cold can also damage the battery in the same way.
  2. Battery age is a huge factor. Whether used or not, a Lithium-ion battery degrades naturally. This means that the moment it leaves the factory, it’s already in constant degradation although at a slower rate. Putting it in a smartphone and using it will hasten the degradation process. Thus, it can be expected that it runs out of juice around a year or two of usage. Assuming you don’t abuse your smartphone battery, the degenerative process will still take its toll. In most cases, users will notice that they needed to charge more frequently 6 months into buying their phones. If you charge your phone at least once everyday since you got it, then the battery must be dying at this time. A typical Lithium-ion battery usually starts to show capacity loss once it reaches 200-300 charging cycles. A single charging cycle happens when you charge a battery from 0% to 100% and back to 0%. That your phone has been around for two years should tell you that the battery must be at the terminal stage of its life.

Although there can be other reasons for the particular battery drain issues you’re experiencing right now, you must still consider the two points above in your troubleshooting. It’s also worth noting that there is normally no “fix” for a battery drain issue, unless of course the primary reason is a damaged battery. In majority of cases, the best thing that a user can do is to simply use smarts in dealing with the problem.

You don’t need to install any third party app to check what’s consuming your phone’s battery power. Simply head to Settings>Battery>battery usage to see what services and apps are draining the battery. This will give you a general view of battery consumption. Usually, the screen and OS should top the list (this is normal) but you also want to know if there are particular services and apps that stand out. So if, for example, Netflix app is among the top apps in the list, you may want to modify your behavior by limiting your video watching binges.

Because it appears that the system does not read battery levels that well at this time, we also recommend that you calibrate the battery again. Doing so will train the operating system on how to read the battery levels properly again. This is how it’s done:

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

For more concrete steps in order to minimize the impact of battery drain issue, please read our previously posted post for Galaxy S7 users. Although the article was dedicated for S7 device, the same battery power tips can be applied to any other smartphone.

Remember, if battery drain issue remains even after doing all the remedies from our blog, don’t hesitate to replace your 2-year old battery.

For the second issue regarding fast charging, the best thing that you can do is to hope that its cause is software since it can be easily fixed. This can be done by doing a factory reset. If nothing changes after you reset the phone, the problem may lie on the hardware. In some cases, fast charging stops working altogether because the metallic contacts in the charging port has been damaged. To know if that’s the cause, you must send the phone for repair so a technician can thoroughly check the hardware.

Problem #2: Rooted Galaxy Note 4 won’t turn back on after unrooting process

Hello! My phone (Samsung Galaxy Note 4, SM-N910F) was rooted and had the TWRP recovery system. When I decided to remove the root and TWRP recovery, I went on recovery menu and restore it to factory mode. But, my phone just went black. It’s completely dead. It’s not charging or nothing. I have tried many tip on Youtube like: Power + Home + Up/down button, tried to push the power button in 3 minutes without the battery++. I know I had around 60-70% on the battery before i started. When I connect the phone to my computer (I should try to install the original firmware with Odin), the phone doesn’t appear in Odin or in “My computer.” I could listen the USB-connecting sound on my computer, but only that.  Do you have any tip? I think it is the hardware that is damaged, but the phone is physically fine. Or what do you think? Can I maybe fix this self with maybe a computer software? I don’t know. Or maybe I have to deliver it to service? I hope you answer! Thank you very much! And sorry for bad English! — Torgeir

Solution: Hi Torgeir. We don’t know the full history of your device and you even used unofficial software on it so there are a lot of variables that we don’t know about. Under a normal unrooting situation, issues can usually be fixed by booting in recovery mode and wiping the cache partition or doing factory reset. You should also be able to boot in Odin mode and flash stock firmware if necessary. That you are unable to do these things may mean that a much deeper problem may be causing the trouble. If your Note 4 no longer boots up to any other modes via different hardware button combinations, you might as well just bring it to repair center so the hardware can be examined.

Problem #3: Galaxy Note 4 randomly reboots after installing Android Marshmallow

Okay, so my story is a bit of a long one, so let me start at the beginning. December 2015 I got the Note 4. LOVE this phone. Every once in a while, it would say it did not detect a SIM card and restart, but the error was so infrequent, I just ignored it. Now, a few weeks ago, I got the latest software update (Marshmallow) and all of a sudden my phone was freezing CONSTANTLY, while typing texts, while browsing apps, etc but even more frustrating, it would RANDOMLY RESTART REPEATEDLY out of nowhere. I’m talking like 3 restarts in a row, then fine for a bit, then restart again, sometimes up to like 15 restarts a day. SO as I work in a tech support field (not phones though), I tried what I could, soft reset, wiping cache partition, hard reset, etc. Problem was not fixed so Sprint ordered me a replacement. Which I got on THURSDAY.

First few days were fine, put my apps back on, and now, I haven’t even had this phone A WEEK but now it will randomly not come out of “sleep”… like when your screen falls alseep when you are not using it. I will hear the notification that I got a text, and see the blinking blue light, but none of the buttons are responsive and I CAN NOT wake my phone up. 🙁 🙁

This has been SO FRUSTRATING. Any help would be greatly appreciated. I wiped cache partition today and it still is doing the same thing. — Steffany

Solution: Hi Steffany. There’s no way to know for certain what may be causing this particular issue but we suspect that it may be one of your third party applications. To check, boot the phone in safe mode and observe it for 24 hours. Here’s how to do that:

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

If your issue won’t occur while safe mode is enabled, that’s a confirmation of our hunch. You must then uninstall apps until the issue is eliminated.

Alternatively, you can also try to factory reset the device to see if the issue will occur right after. Make sure that you don’t install any apps during the observation period. Just like in safe mode, the observation time should be long enough, 24 hours minimum. To factory reset the device, follow these steps:

  • Create a backup of your important files and contacts.
  • Turn off the Galaxy Note 4 completely.
  • Press and hold the Volume Up and the Home keys together, then press and hold the Power key.
  • When the Note 4 vibrates, release both the Home and Power keys but continue holding the Volume Up key.
  • When the Android System Recovery shows on the screen, release the Vol Up key.
  • Using the Volume Down key, highlight ‘wipe data / factory reset’ and press the Power key to select it.
  • Now highlight ‘Yes — delete all user data’ using the Vol Down key and press the Power key to begin the reset.
  • When the master reset is complete, highlight ‘Reboot system now’ and hit the Power key.
  • The Note 4 will restart but it will be longer than usual. When it reaches the Home screen, then begin your setup.

You should also consider checking afterwards if any of your apps are incompatible with the operating system. Some incompatible apps can lead to all sorts of problems and one of these problems can be random reboot issue. Make sure that you only install a good working app.

Problem #4: Galaxy Note 4 fails to turn back on after putting case improperly

I am the son of my father, who owns a Galaxy Note 4. Today, I took off the case of the phone. I played with the pen that the Note comes with and put the phone back on. Without knowing, I put the case on backwards. Because of this, my pinky was pressing the home button for about 2 minutes while I was walking. When I noticed, I saw the reboot screen with many options in yellow and blue font. I used the volume keys to go to the option that I think said “Reboot Normally.” I am not entirely sure. After that, it went to the Samsung Note 4 Reboot Screen. I waited for 20 minutes but nothing happened so I took pressed down the Power Button for about a minute. Still, nothing happened so I took out the battery and tried again. Nothing happened. I looked online and read an article on “Hard Reset.” After, held down the Home Button, Power Button, and Up Volume Key together but nothing happened. — Andy

Solution: Hi Andy. Try to boot the phone in other modes and see if you can turn it back on in any of them. If there’s no hardware issue, the phone should be able to boot to any of these alternate modes. If it doesn’t boot at all, you can assume that there’s an issue on the hardware department. In this case you must have send the phone to a repair shop.

Boot in Recovery mode:

  • Charge the phone for at least 30 minutes.
  • Press and then hold the Home and Volume UP 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 Up keys.
  • When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  • Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  • You can either wipe the cache partition or do a factory reset when in this mode.

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.

Problem #5: Galaxy Note 4 shuts down on its own when battery level reaches 20%

If my phone gets near 20%, it could suddenly shut off. If it does, it will not charge or reboot. I typically have to leave it alone at least 20 minutes and try pulling the battery several times before it will start charging. If I try to reboot my phone while the battery has a good charge, my phone will just power down. Same thing – I have to wait and pull the battery at least once before it will turn on or accept a charge. We have tried switching batteries and also wiped everything to do a reset. The phone works great as long as the charge isn’t low or I need to reboot it. But I’m leery to power it down because it is so difficult to turn on again. — Jodi

Solution: Hi Jodi. This issue is either caused by an unknown software glitch or a bad battery. Try calibrating the battery first, then do a factory reset (refer to the steps above). If these two procedures won’t work, consider getting a new battery, especially if the existing one is already over a year old.

Problem #6: Galaxy Note 4 not detected by ADB in PC | Galaxy Note 4 overheating when connected via USB cable

Good day, Firstly thanks for this e-mail assistance offered, i have nearly given up on getting this phone back to normal. My uncle has bought a phone and has been using it for just over 2 years now. I am the go-to guy in our family and friends’ circles as i am always busy learning about new software, hardware and as such almost always approached when someone has an operating system or software issue on their phones or PCs.

For me the Android system is still a bit new as i myself have not yet had the luxury of acquiring one of these new firmware devices, as such i have no clue as to the technical specs as i haven’t been able to play and explore on this range yet. So i need your help please!!!

Here are the phone details i have: Phone: Samsung Galaxy Note 4. If i use the built-in (hold volume up + menu + power button), which boots me into the “Android system recovery <3e> KOT49H.I9505XUUGNG2” menu, i am met with the following screen with the selectable options being:

  1. Reboot system now
  2. Apply update from ADB
  3. Apply update from external storage (memory card)
  4. wipe data/factory reset
  5. wipe cache partition
  6. Apply update from cache

I have been trying to use Odin3 V3.11 on my laptop which has Windows 10 pro installed. Odin does not read the phone via USB when the phone is rebooted into recovery mode, so i cannot use ADB sideload to update the firmware. Odin only reads the phone (or picks up the connection via usb), while the phone is switched on, however i cannot use the adb sideload feature then.

I have downloaded updated firmware containing Google’s Aroma firmware update (a stock firmware). The phone is currently upon powering up, starts up, loads welcome screen, gets to home screen then starts opening applications and displaying adverts of more apps to install, it opens so many application updates and recomendations that the phone freezes and shuts down, and this it does repetitively on and off, meanwhile there is no chance to type, select or enter any data while the phone does this. I do not know what i should now do, the phone clearly has a software operating system meltdown, i have checked for viruses through the pc and found none.

Also the phone gets extremely hot while plugged in to either USB or charger cable. Please advise soonest regards. — Gert

Solution: Hi Gert. In order to flash something on your phone, you must boot the phone to Download mode (check steps above) and not Recovery mode. ADB program in your PC won’t be able to detect the phone while it’s in recovery mode.

Overheating issue can be caused by either software glitch or hardware malfunction. Try using another USB cable (original Samsung cable is preferable) to see if that will make any difference. If nothing changes, the next step that you can try is factory reset.

Keep in mind that a damaged charging/USB port can cause abnormal heat buildup overtime. If the issue remains, we recommend that you submit the phone for a hardware check.


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One Reply to “Galaxy Note 4 not detected by ADB in PC, other issues”

  1. Hey i got a new battery and my note 4 worked fine one day and the next day it just go a ddi: mmc_read failed prompt and downloading mode, i took the battery out and inserted it and quickly inserted a usb cable aswell and got downloading mode i did this a couple of times, now it doesnt respond to anything ive done the 1 2 3 method, power vol up and down home , and more nothing works but when i plug in into my laptop it gets detected but nothing shows up on the laptop or phone plz help!

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