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What to do when your Samsung Galaxy S7 Edge no longer charges properly after the Android 7 Nougat update [Troubleshooting Guide]

  • Read and understand why a premium phone like your #Samsung Galaxy S7 Edge (#S7Edge) just stops charging via cable all of the sudden and learn how to troubleshoot it to fix the problem.
  • Understand why your phone doesn’t charge with the wireless charger and know what you need to do in a bid to solve the issue.
  • Know what you have to do when your S7 Edge starts to slow-charge even if it’s supposed to fast-charge.
  • Learn how to troubleshoot your phone that can no longer reach 100% when charging.

The charging process involves the charger, USB cable, battery and the phone itself. However, there’s one thing that we often overlook–the firmware. We often think it has nothing to do with charging but in the world of smartphones, the firmware is important when it comes to charging. It is actually one of the factors that allow electric current to flow through the circuits and replenish the drained battery. Once the latter has already reached around 95%, the firmware will start trickle charging until it reaches 100% and finally stops the charging process.

In this post, I will tackle some of the most common charging-related issues that occurred after a major firmware update like Nougat. We have received quite a lot of issues or complaints from our readers and we are obliged to address them as they are seeking assistance and support from us. So, if you own a Galaxy S7 Edge and have recently updated it to Nougat before you having charging problems, then I suggest you read the following problems.

Before anything else though, if you have other issues with your phone, please try to visit our S7 Edge troubleshooting page for we have already addressed quite a lot of issues with this phone. Odds are that we have already addressed your problem and that there are already existing solutions to your issue. So, try to find problems that are similar with yours and use the solutions and troubleshooting guides we suggested. If they don’t work for you or if you need further assistance, then feel free to contact us by completing our Android issues questionnaire. Make sure you provide us with necessary information about your phone and your problem.

How to troubleshoot your Galaxy S7 Edge that can no longer charge via wired charger after an update

Problem: Shortly after my Galaxy S7 Edge got updated, it stopped charging. I already tried rebooting a hundred times but it doesn’t work. Unlike before, the phone simply won’t respond when I connect it to a charger. Can you guys please help me out with this? Had I known this would happen, I never should have updated my phone in the first place. Please help me. Thanks.

Troubleshooting: Have you already verified if  your phone still charges using a wireless charger? If not yet and if you have access to such charger, then please do. If your phone device charges wirelessly, then we can rest assured the battery’s fine and we can proceed with our troubleshooting. This is what I suggest you’d do:

Step 1: Try to do the Forced Reboot procedure

Sometimes the system as well as the hardware develop some kind of a glitch and things like this are likely to occur. Therefore, to rule out this possibility, you have to try to do the Forced Reboot procedure, which is the equivalent of the battery pull procedure in phones with removable batteries.

To do this, press and hold the Volume Down button and the Power key together for 10 to 15 seconds. Assuming the problem is due to a system or hardware glitch and provided there’s enough battery left, the device should reboot normally and once it’s ready, plug in the charger and see if the phone responds, if not, try the next troubleshooting steps.

Step 2: Restart your phone in Safe Mode and charge from there

Let’s just try to rule out the possibility that one or some of your downloaded apps is causing the problem by rebooting your phone into the safe mode and try charging it from there. Doing so will temporarily disable all third-party apps allowing only the pre-installed ones and core services running. So, if our suspicion is true, your device should be able to charge while in that state. Here’s how you start your phone up in safe mode:

  1. Press and hold the Power key.
  2. As soon as you can see the ‘Samsung Galaxy S7 EDGE’ on the screen, release the Power key and immediately hold the Volume Down key.
  3. Continue holding the Volume Down button until the device finishes rebooting.
  4. You may release it when you can see ‘Safe mode’ in the bottom left corner of the screen.  

Of course, if the problem is caused by third-party apps, you have to find the culprits and uninstall them one by one to fix the problem.

RELATED POST: Fix Samsung Galaxy S7 Edge that won’t charge using its charger, other power issues

Step 3: Try deleting the system cache since the problem occurred after an update

It is always possible the issue is caused by some corrupt caches. Such is the case to hundred of power- and performance-related issues that we’ve already encountered before. So, to make it easier for you, here’s how you delete the system cache:

  1. Turn off the phone.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 Edge shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished wiping the cache partition. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

Once the phone has rebooted, try to charge your phone and if it still refuses to do so, you have no other option but to reset your device.

Step 4: Perform the master reset to bring the phone back to its original settings

The default settings are often a configuration that works. Such configuration has already been used when you first turned your device on. We have to bring the phone back to the same settings and see if it charges fine after that. If not, then it may appear you need help from a technician. However, please note that the reset will delete all your files and data so you need to back them up before following these steps:

  1. Turn off your Samsung Galaxy S7 Edge.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key. NOTE: It doesn’t matter how long you press and hold the Home and Volume Up keys, it won’t affect the phone but by the time you press and hold the Power key, that’s when the phone starts to respond.
  3. When the Samsung Galaxy S7 Edge shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds. NOTE: The “Installing system update” message may show on the screen for several seconds before displaying the Android system recovery menu. This is just the first phase of the entire process.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe data / factory reset.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes — delete all user data’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

I hope you won’t have to bring the phone to a shop anymore after doing this because I know it’s such a hassle but everything depends on how well your phone responds to your troubleshooting.

How to troubleshoot your S7 Edge that won’t charge wirelessly after an update

Problem: My phone seems to have lost one of its amazing features–wireless charging. The problem seems to have occurred after I updated its operating system. I’m not really sure what the problem with it but when I try to charge it using the wired charger, it does charge normally. Of course, I can just use the wired one but I really enjoy using my wireless charger as I don’t have to plug and unplug my phone anymore. Can you please look into this problem? Thank you.

Troubleshooting: It seems like the firmware of your Galaxy S7 Edge had been corrupted due to the update you did on your phone. In fact, there were reports we received from other users saying that after the update was made the issue occurs wherein they could not anymore charge the device wirelessly.  So, to figure it out what caused the problem you need to perform basic troubleshooting procedures on your phone.

There are instances wherein due to several applications running in the system it is possible that device firmware will crash. In this instance, all you need to do is perform the forced reboot procedure on your phone and observe if the issue persists. If so, then  you can proceed to the so-called maintenance mode( Safe mode) to see if there are downloaded apps preventing the device to function normally.

In this mode, all third-party applications will be deactivated and only the pre-installed apps will run in the system. While in this state try charging you S7 Edge and see if the issue is not happening anymore. If not, then most likely there’s an app caused the issue to occur, try to find that app and if possible uninstall it. But if the problem is getting worse while in Safe mode you can jump to the next procedure.

Usually, due to the system update there is a possibility that the caches will be corrupted. Meaning,those old caches used by your phone prior the update was made is not anymore compatible to the new system you installed. In this mode, we will delete all old caches so that your phone can create newer caches that is compatible to the firmware. To do so, you can follow the steps above.

But if all procedures has no avail  your last resort is to reset the device. This procedure will bring your device back to its factory default by deleting all stored files in your phone including the third-party applications you recently installed. Before doing so, make sure to backup every thing because all of it will be deleted.

How to fix your Galaxy S7 Edge that started to slow charge after an update

Problem: I am well-aware that my Galaxy S7 Edge has a fast charge feature and just recently, it started to charge very slowly to the point that I would have to wait several hours before it can reach 95% and then I just have to unplug it because it would take a few hours before it can finish charging up to 100%. Help me please.

Troubleshooting: Since the new update has been released (Nougat), it is expected to have issues because it’s not all of the models of Android devices are tested to run this update. And one of the problem is the device won’t charge. There are reasons why an Android device, like Samsung Galaxy S7 Edge, won’t charge and to determine the culprit is not that easy. But, to narrow down the issue, we will recommend performing some basic troubleshooting procedure  that could determine the issue, possibly.

You can try several methods charging your device to determine if it will detect your charger, the purpose of doing this is because we will try to find out if it’s still charging slow when using a different charger. First, you can try using a different charger (wired) if you an extra available, if none, you can try borrowing it from someone in your house if one is using similar charger. Second, if wireless charger is available, try using it and make sure that an indicator will appear to determine if it is charging and see the difference. Third, try plugging your device to a PC, if it will recognize your device, then your it’s fine. Do this methods again while your device is off, this time no other apps are running, and see if there’s a progress.

If none of the mentioned methods are not working, you can then proceed and clear the system cache partition of your device. Your device could be experiencing a minor system glitch that caused by the update. By doing this, it will clear those old cache files or temporary files and force your device to create a new one. Don’t worry this procedure is totally safe, it will not clear your important files but, if needed to reset your device, we recommend making backups to your important files right away. Please refer the step-by-step troubleshooting procedure on the first issue (How to troubleshoot your Galaxy S7 Edge that can no longer charge via wired charger after an update). You can try and follow all troubleshooting steps provided if you have to, your issue is somehow related.

In case if the device is still charging slowly, you can try and double-check if the ‘fast-charging’ feature was enabled. It could be disabled during the update process and also, if you are opening more apps at the same time, close them all. Then, follow this steps how to check or enable ‘fast-charging’ feature: Go to Settings > Battery > Fast Cable Charging. There’s a toggle switch to let you enable or disable this feature, make sure that it was toggled on.

It is best to learn this early if your device has issues to bring it right away to a tech, it’s useless to perform troubleshooting procedure when the issue is a hardware-related.

How to fix your Galaxy S7 Edge that can no longer reach 100% after an update

Problem: There was a notification telling me an update is available for download so I did download it. A few days after that I was able to use my phone normally. I don’t usually use my phone especially when I’m in the office. When I’m at home I often use my laptop for surfing, twitter and emails so my phone can actually last a few days before I am required to charge it. One day, the battery got drained and I have to charge the phone. Before it would only take an hour or two before the battery shows it’s done charging but now, I already left plugged in for over 4 hours but it still shows 83% and it’s not moving up. What happened to my phone? Can you help? Thanks.

Troubleshooting: This kind of issue is somehow similar to the issue above. But in your case, it could be different. To narrow down the issue, we recommend performing a basic troubleshooting procedure to determine what caused it. We presume that you have a fast charger, since this happens only after the update.

You can start by performing a ‘forced reboot’ on your device, it will perform a simulated battery pull like you are pulling out a battery from a device that has removable battery. It will then reboot your device system. If it did not resolve the issue, proceed to the next procedure, you can refer all the steps on the first issue (How to troubleshoot your Galaxy S7 Edge that can no longer charge via wired charger after an update). If all the procedure didn’t resolve the issue, then check your ‘fast-charging’ feature, it could be disabled. Go to Settings > Battery > Fast Cable Charger, make sure that the toggle switch was set to on. If it’s on, make sure that if you are charging, no other apps are running, it might have caused the fast-charging feature to failed to work.

Try to observe your device as well, when it’s charging, try to feel if it’s getting hot or not. If so, this might be a hardware-issue, bring your device right away to the nearest Samsung service center or to the store where it was bought from, don’t forget to bring the necessary documentation like the warranty if it’s a month old or less.

Hopefully, by performing this procedures we were able to resolve and help you with your Samsung Galaxy S7 Edge issues.

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