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Samsung Galaxy S7 Edge no longer charges after Android Nougat, other battery issues [Troubleshooting Guide]

Samsung Galaxy S7 Edge owners have been anticipating for the roll out of the Android 7 Nougat update but when it was finally made available to the public, many got disappointed due to the problems it brought. One of those problems is related to charging; some of our readers reported their phones no longer charges while others said theirs started draining the battery quicker than before.

In this post, I will tackle the not charging issue with thee S7 Edge as the subject of our troubleshooting. One of the problems I cited here clearly mentioned that the problem started after an update, so it’s safe to assume that the recent update may have caused the problem. However, it may not be the firmware that’s causing the problem per se. It could be just some of the caches and/or files that got corrupted and affected the phone’s normal operation. So, if you own this phone and are currently bugged by a problem or two after the update, read on as this post may be able to help you.

Now, before anything else, if you have other issues with your phone, make sure you drop by our Galaxy S7 troubleshooting page for we have already provided solutions to hundreds of problems reported by our readers. Odds are that we may have already provided a solution to the problem you currently have so try to find issues that are similar with yours on that page and feel free to use the solutions we suggested. If they don’t work or if you need further assistance, fill up our Android issues questionnaire and hit submit to contact us.

Galaxy S7 stops charging after Android Nougat update

Problem: I badly need your help guys. My phone stopped charging after I updated it to Android 7 Nougat and I just don’t know what happened, it just stopped. I only have the charger that came with it in the box and I don’t have a wireless charger so I haven’t tested if it still charges using a wireless charger. I only have 8% battery left in my phone and I can’t afford not to be able to use it since my phone includes calling our clients or sending them emails. Can you help me?

Troubleshooting: Ok, since you positively said that this problem occurred after an update, then we have a valid reason to believe that the update, someway, somehow, messed up your phone, although it’s difficult to determine what the real problem is. But anyways, we need to troubleshoot it to know what happened and we’ll have to put into consideration that the phone is now running the latest Android version. That said, here’s what I suggest you would do:

Step 1: Immediately delete the system caches so they’ll be replaced, they may have been corrupted

This must be the first thing we need to do as the problem started after a major update that bumped the firmware from Android 6 to 7. More often, system caches become obsolete and others become corrupt after an update. While they are important to the firmware, they can actually be deleted without adverse effects. In fact, if you delete them from time to time, the phone’s performance may improve. In this issue wherein the phone cannot successfully charge, it might be that the cache used by the firmware for charging got corrupted.

We don’t access to individual caches and even if we do, we cannot recognize which cache is corrupt and which is not. So, we have to delete all of them at once so the firmware can recreate them during the boot up.

  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 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.

After this, try to charge your phone and if it still won’t respond, then move on to the next step.

Step 2: Turn off the phone and try charging it

Just to make sure nothing is interfering with the charging process, try to turn your phone off and then plug it in. If it charges, then you have to backup your data and then reset your phone. That should fix the problem as clearly, it’s more of a firmware issue than a hardware.

  1. From the Home screen, tap the Apps icon.
  2. Find and tap Settings and then touch Backup and reset.
  3. Tap Factory data reset and touch Reset device.
  4. If you have screen lock feature turned on, enter your password or PIN.
  5. Touch Continue.
  6. Tap Delete all to confirm your action.

However, if the phone still won’t charge even if it’s powered down, then we must proceed to troubleshooting the charger as it might be the cause why it’s not charging.

  • Check the charge and look into the port for debris, lint or any kind of corrosion.
  • Check both ends of the cable and look for something that might also be hindering the charging process.
  • Check the USB or charging port of your phone and look for the same thing.

After checking the charger, cable and the port on your phone and nothing looks suspicious, then you have to do one more thing before you decide to let the tech check the phone for you.

Step 3: Backup your data and files and reset your phone

We have to rule out the possibility that it’s a firmware issue brought by the recent update. So, make a backup of your important files and data and then do the master reset. However, make sure you disable anti-theft first so you won’t be locked out of your device after the reset, here’s how…

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Cloud and accounts.
  4. Tap Accounts.
  5. Tap Google.
  6. Tap your Google ID email address. If you have multiple accounts setup, you will need to repeat these steps for each account.
  7. Tap Menu.
  8. Tap Remove account.
  9. Tap REMOVE ACCOUNT.

And this is how your reset your phone…

  1. Turn off your Samsung Galaxy S7.
  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 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.

Samsung Galaxy S7 Edge battery is draining fast issue

Problem: I’m having incredibly fast battery drain on my Galaxy S7 Edge. I’ve had it for a little less than a year. I usually unplug my phone around 0700 AM and by about 1300 (1PM) my battery is at 30%. This wouldn’t be a huge concern if I was actively using my phone, however, this drain occurs while I’m not using my phone. I normally 2.5 hours or less of screen on time. I’ve wiped my cache partition, reduced the amount of location services used, and tried booting in safe mode. I have good cellular connection. The top users of my battery are “Android System”, “Android OS”, and “Google Play Services”. This is extremely frustrating because after searching for solutions to this, people say how they get 4+ hours of screen on time, which I’ve never gotten with my device. I am desperate for a solution to this problem. Thanks!

Solution: Hello! Based on your description, lots of possibilities we need to consider that the battery is draining fast. However, if your phone still has a warranty from the manufacturer or from the store where you purchased, then much better to bring it back and let them fix the issue or ask a replacement if possible. As you mentioned that you already performed the basic troubleshooting procedures on your device but the issue still persists, it is possible that there is another factor triggered the problem. In this instance, what we would like you to do is to perform master reset on your phone. Through this method, the firmware of the device will be back to its factory default and there is a big chance that the problem will be fixed. But take note, that all apps(third-party) you installed as well as contacts, photos and videos saved on your phone will be deleted. Here are the steps that you should do:

  1. Turn off your Samsung Galaxy S7.
  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 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 this helps.

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One Comment

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  1. I just updated today and can no longer charge wirelessly. If I plug the phone into my computer it will charge. Going to try all your suggestions in a minute.

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