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What to do about the Samsung Galaxy J7 that’s heating up or overheating [Troubleshooting Guide]

Overheating issues are among the most common problems with smartphones today especially those with really high specifications. However, we cannot really blame the hardware if the phone starts to fail because they have been tested prior to their release. My point is, if your phone was overheating out of the box, then we can say that it might be a manufacturing problem. But if it wasn’t and just started overheating recently, then something might have happened to it and that’s what we need to find out.

In this post, I will walk you through in troubleshooting your phone and the subject of our troubleshooting will be the Samsung Galaxy J7, a mid-range phone that comes packed with really impressive specs. The thing is, the J7 actually received positive reviews from users so we can actually say that if your phone started to heat up or even overheat after a few months of use, then something might have triggered it. Continue reading below as this post may be able to help you.

Before anything else though, if you have other issues with your device, then visit our Galaxy J7 troubleshooting page for we have already addressed several common problems with this phone. Odds are that there are already existing solutions to your problems so just take time finding issues that are similar with yours. If you can’t find one or if you need further assistance, feel free to contact us by completing our Android issues questionnaire. Please provide us with as much information as possible so that it would also be easier for us to troubleshoot the problem. Don’t worry as we offer this service for free, so all you have to do is give us sufficient information about the problem.

Step-by-step guide to troubleshooting Galaxy J7 that’s overheating

Problem: Hello guys. I just want to ask you a question or two about my phone because it seems like it’s actually overheating while I use it. It’s a Galaxy J7 phone and when I charge it, it heats up not warm. I know phones are supposed to become warmer when charged but this one really heats up. It also heats up when I use it normally like texting or calling. Not quite sure why it’s doing this but if you know how to fix this, please help me. Thanks.

Troubleshooting: Overheating is actually a problem because it concerns the hardware of your phone. Devices with high specifications have a tendency to warm up a bit more than those with lower specs but it’s normal. What’s not normal is when the phone actually heats up to the point that if you leave it, it will overheat.

Just like in cars, overheating is smartphones is a big deal that’s why will walk you through in troubleshooting your Galaxy J7. That said, here’s what I suggest you do about it…

Step 1: Charge your phone while it’s powered down

We simply would want to know if your phone heats when charged while turned off because if it does, then it’s clearly a hardware problem and probably a battery issue. So, try to turn your phone off and then plug the charger to the wall outlet that works and then connect your phone. Allow it to charge for 5 to 10 minutes to see if it still heats up.

If it still heats up to the point that it may seem like it’s gonna burn your skin, unplug the charger right away and don’t attempt to charge your phone without having a tech checking it. Batteries explode when overcharged or exposed in too much heat.

Your Galaxy J7 actually has a removable battery so you can try to physically check it for lumps or any irregularities. So, remove the battery, place it on the table with a level surface and flick it to rotate. If it does rotate, then it’s compromised. Don’t put it back in and send your phone to the shop to have it checked. Or you can buy a new battery to replace the old one.

However, if the battery doesn’t have any signs physical deformities, try to check for leaks or if there’s liquid coming out of the edges. If there is, don’t use the battery anymore.

On the other hand, if the phone doesn’t heat up or overheat when charged while powered down, then move on to the next step.

Step 2: Try charging your phone while it’s in Safe Mode

After doing the first step and you’ve verified it’s not heating up while charged when turned off, then we can almost say the hardware is safe. The next thing we have to know if the phone can charge without heating while all third-party apps and services are disabled. So, I want you to reboot your phone in Safe mode to temporarily disable all third-party apps and while in that mode, connect it to your charger to see if it still heats up. This is how you start your phone up in safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the screen with the device name.
  3. When ‘SAMSUNG’ appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see ‘Safe Mode’.

If the phone doesn’t heat up while in safe mode, then it’s confirmed that the third-party apps have something to do with it. But we don’t know which app is causing the problem, so you better backup your files and data and then reset your phone at this point.

  1. Back up data on the internal memory. If you have signed into a Google account on the device, you have activated Anti-theft and will need your Google credentials to finish the Master reset.
  2. From the Home screen, tap the Apps icon.
  3. Tap Settings.
  4. Tap Backup and reset.
  5. If desired, tap Back up my data to move the slider to ON or OFF.
  6. If desired, tap Restore to move the slider to ON or OFF.
  7. Tap Factory data reset.
  8. Tap Reset device.
  9. If you have screen lock turned on, enter your PIN or password.
  10. Tap Continue.
  11. Tap Delete all.

However, if the phone still heats up even in safe mode, then move on to the next step.

Step 3: Restart your phone Recovery mode and wipe the cache partition

There’s a change some due to some corrupt caches, the phone’s performance is affected and resulted to overheating. To rule this possibility out, you need to delete all system caches so that they will be replaced with new ones and you can do that by starting your J7 in recovery mode and wiping the cache partition:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  3. When the device logo screen displays, release only the Power key
  4. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times key to highlight ‘wipe cache partition.’
  6. Press the Power key to select.
  7. Press the Volume down key to highlight ‘yes’ and press the Power key to select.
  8. When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  9. Press the Power key to restart the device.

After this procedure and your phone is still overheating, then the next step must be done.

Step 4: Backup your files and data and then do the Master Reset

There is no guarantee that the reset can fix this problem but at this point, we have no other choice but to reset the device since all other procedures failed to fix the issue. We have to rule out the possibility that this problem is due to a firmware issue so backup all your files and data that are stored in your phone’s internal storage and if possible, disable the Factory Reset Protection so you won’t be locked out after the reset.

How to disable the Factory Reset Protection on your Galaxy J7

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

How to reset your Samsung Galaxy J7

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Home key, then press and hold the Power key.
  3. When the device logo screen displays, release only the Power key
  4. When the Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times key to highlight ‘wipe data / factory reset.’
  6. Press Power button to select.
  7. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  8. Press Power button to select and start the master reset.
  9. When the master reset is complete, ‘Reboot system now’ is highlighted.
  10. Press the Power key to restart the device.

If the problem persists after this, then it’s time for the tech to take a look at your phone.

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