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How to fix your Samsung Galaxy S7 that entered the bootloop or got stuck in black screen with red text [Troubleshooting Guide]

When it comes to a device that won’t turn on, it’s almost certain the problem has something to do with the hardware but when it comes to booting up issues, then it must be the firmware. Phones like the Samsung Galaxy S7, which packs really impressive specs and hardware, they don’t usually have hardware-related issues but there are times when its firmware fails and that might be the reason it won’t boot up successfully at times.

We will walk you through in troubleshooting your phone that entered the bootloop in this post. You would know if your phone is in this state when it powers up, try to load everything up only to turn off and back on after a few seconds. The cycle keeps happening until the phone drains its battery completely or if you did something to stop it. Again, there’s no clear indication as to what caused the phone to do this that’s why it’s necessary to troubleshoot. If you’re one of the owners of this phone and are currently bugged by a similar problem, then 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.

Step-by-step guide to troubleshooting Galaxy S7 that entered the bootloop

Problem: My husband S7 is in boot loop or log a red writing comes on the screen with this message. Unable to see home screen or the Samsung logo. Need help please!

Solution: Since the device is able to turn on, there is a chance that a glitch in the system or other software-related issues might have triggered it. Because if not, there’s nothing we can do about the problem, instead, you can immediately bring your phone to the nearest shop in your area so that it can be fixed by a technician. Meanwhile, we should focus on the software department of your phone to find out what really the issue is and why it stuck on Samsung logo. Here are the procedures that you should do:

Step 1: Force Reboot the device

If you haven’t tried restarting your phone, this is the right time that you should do it. Through forced reboot any minor glitches in the system that might have caused the issue will be resolved by this procedure. Just press and hold the Power and Volume Down keys together for 10 seconds until the device reboots. And if it boots up normally, then obviously it is just a system glitch triggered the issue. But if it persists you can proceed to the next method.

The force reboot is actually the equivalent of the battery pull procedure we often do to phones with removable battery but since we cannot pull the battery out of your S7 without having to open it, then this is what you need to do to simulate that. It might be the only thing you need to do as it is very effective in dealing with issues like this.

Step 2: Boot in Safe mode for there might be an app that caused the issue

After doing the force reboot and the issue still happening, then booting your phone in safe mode should be the next thing to do. This method will deactivate temporarily all downloaded applications in the system to determine if there’s a culprit caused the problem on your phone. So, while in this mode and your device boots up completely, then you must uninstall that app starting from the recent one you installed on your phone. This is how to boot in safe mode:

  1. Press and hold the Power key.
  2. When Samsung Galaxy S7 logo appears, release the Power key and immediately hold the volume down key.
  3. Continue holding the Volume Down key until it finishes its rebooting.
  4. When “Safe mode” appears on the screen immediately release the Volume Down key.

Assuming the phone successfully booted up in safe mode, then we’re halfway to fixing the issue because it is a clear indication it’s caused by one or some of the apps you installed is causing the problem. You need to find that app and try to update, reset or even uninstall it just to resolve this problem.

How to update apps on Galaxy S7

  1. From any Home screen, tap the Apps icon.
  2. Tap Play Store.
  3. Tap the Menu key and then tap My Apps. To keep your apps automatically updated, tap the Menu key, tap Settings, and then tap Auto-update apps to select the check box.
  4. Choose one of the following options:
    • Tap Update [xx] to update all applications with updates available.
    • Tap an individual application and then tap Update to update a single application.

How to clear app cache and data on Galaxy S7

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Applications.
  4. Tap the desired application in the default list or tap Menu icon > Show system apps to display pre-installed apps.
  5. Tap Storage.
  6. Tap Clear cache.
  7. Tap Clear data and then tap OK.

How to uninstall apps from Galaxy S7

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Applications.
  4. Tap the desired application in the default list or tap Menu icon > Show system apps to display pre-installed apps.
  5. Tap Uninstall.
  6. Tap Uninstall again to confirm.

If the phone cannot boot up in safe mode, then move on to the next step.

Step 3: Try to boot it in recovery mode and wipe cache partition

The system caches are temporary files your device is using every time you launch an app, browse a web and in booting your phone normally. So, if these files had been corrupted or outdated that would be the reason that the firmware will crash and unable to boot up. So, all we need to do now is to wipe off the directory so that old caches will be replaced by new files. But don’t you worry your personal data and important files won’t be erased by this method. Just follow these steps:

  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.

Step 4: Try resetting your Galaxy S7

After deleting the system caches try to see if it still stuck in Samsung logo. If it is, then you don’t have a choice but to perform reset on your phone. Meaning, we will be bring back the device to its factory default by deleting all your saved files and data on your phone including the downloaded applications you installed in the system. So, before you proceed to the steps make sure you already transferred everything to your SD card or computer. Here’s how to reset your device:

  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.

After the reset or if your phone cannot boot up in recovery mode, then you should let the technician handle the problem for you because as far as basic troubleshooting is concerned, you’ve done your part to no avail.

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