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What to do if your LG G7 ThinQ keeps rebooting randomly (easy steps)

Random reboots are supposed to be issues with the firmware provided there are no signs of physical and/or liquid damage on your device. We have been contacted with some of our readers that own the new LG G7 ThinQ saying that their devices reportedly started to reboot by themselves without apparent reason. If you have a new premium phone like the G7 ThinQ, you would always want it to work smoothly and perfectly without any issues. But just because you encounter this problem doesn’t mean your device is already defective or damaged. It might be just a minor problem that needs to be rectified on your end.

In this articles, I will tackle this problem and help you troubleshoot your new device to know why it keeps on rebooting by itself. That way we can try to formulate a solution that may get rid of the problem for good and prevent it from happening again in the future. On the other hand, if we can find out that this is more of a hardware problem than a firmware issue, then you always have an option to employ the services of a technician to check it for you. Or, you can just have it replaced by going back to your retailer. So, continue reading as this post may be able to help you one way or another.

For those who are looking for a solution to a different problem, drop by our troubleshooting page for we have already addressed some of the most common issues with this phone. Browse through the page to find issues that are similar with yours and use the solutions we suggested. If they don’t work for you or if you still need our help, contact us anytime through our Android issues questionnaire.

How to fix LG G7 ThinQ that keeps rebooting by itself

Unless there’s a clear indication that your phone has physical and/or liquid damage, random reboot problems are often firmware-related issues and you can actually fix them on your own without any help from a tech. The following are the things you can do to make your G7 ThinQ work perfectly again without all those random reboots…

First solution: Run your phone in safe mode

It is important that you determine if third party applications play a hand in this problem. There are apps that can actually make your phone act like crazy and if that’s the case, then you can fix this problem easily.

In safe mode, all third parties are temporarily disabled so if the phone doesn’t reboot on its own while your phone is in this mode, then it confirms that there’s a third party app that’s causing the issue. The next thing you should do if find out which app it is and uninstall it. This is how you run your device in safe mode:

  1. While your phone is on, press and hold the Power button until the menu options are displaced.
  2. Press and hold Power off option.
  3. When prompted to Restart in Safe Mode, tap OK to continue.
  4. Wait until your phone restarts and boots into safe mode.

An indication that it has entered safe mode is the Safe Mode label shown at the bottom of the screen. At this point, use your device as you normally do. Finding the app that’s causing the problem could be a bit of a challenge but that should be done in order to fix the issue.

However, if the phone still reboots randomly while in safe mode, then you must try the next procedure.

Second solution: Manage internal storage

To get started with memory management, view the current memory status of your LG G7 ThinQ with these steps:

  1. Tap Settings from the Home screen.
  2. Go to the General tab.
  3. Tap Memory.
  4. Tap the drop-down arrow and select the preferred interval.
  5. Check the amount of Free storage.

If the available storage space is lower than 1GB, then you’ll need to free up memory space.

Third solution: Update firmware

Make sure your phone’s firmware is up-to-date. If you haven’t updated it recently, then you may have already missed a couple of updates. Take time updating the system and see if this fixes the problem.

  1. Tap Settings from the Home screen.
  2. Go to the General tab.
  3. Tap Update center.
  4. Tap System update.
  5. Then tap the option to Check for update.
  6. Follow the rest of the onscreen instructions to download and install the latest software update. Your device must be connected to Wi-Fi Internet, has ample battery life, and memory space to proceed.

Alternatively, you can download and install new software update on your LG G7 ThinQ from a computer. To get this done, you will need to download, install and open the compatible software for the LG G7 ThinQ to your PC beforehand.

Fourth solution: Wipe cache partition

If there are corrupt system cache, your phone may also act up like this so it’s a possibility you need to rule out. You can do that by wiping the cache partition of your LG G7 ThinQ. Don’t worry, none of your files and data will be deleted if you did this…

  1. Tap Settings from the Home screen.
  2. Select the General tab.
  3. Tap Storage then select Internal storage.
  4. Wait for the menu options to populate.
  5. Tap the option to Free up space.
  6. Tap Temporary files & raw files.
  7. Select any from the given options including Cached data, Clip tray temporary files, and Raw files from camera.
  8. Tap Delete twice to confirm.

If it continues to reboot by itself after this, then you have no other choice but to reset it.

Fifth solution: Backup your files and reset your LG G7 ThinQ

This is your last resort if everything else failed to fix the problem. If the issue is with the firmware, then a reset may be able to fix it but make sure you backup your important files and data especially ones that are saved in your phone’s internal storage as they will be deleted.

  1. Back up all data on the internal memory before performing a master reset.
  2. Turn off the device.
  3. Press and hold the Power and Volume down buttons.
  4. When the LG logo appears, quickly release and then re-hold the Power button while continuing to hold the Volume down button.
  5. When the ‘Delete all user data (including LG and carrier apps) and reset all settings’ message appears, use the Volume down button to highlight Yes.
  6. Press the Power button to reset the device.

If the problem continues after the reset and you’re pretty sure it’s not with your network devices, then you should just bring the phone back to the store or to the shop so that a technician will take care of the problem. If it’s a widespread problem, the store may immediately replace your unit.

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What to do about your Samsung Galaxy J5 that keeps rebooting by itself? [Troubleshooting Guide]

Just like computers, smartphones can also succumb into bootloop issues. It’s when the device suddenly turns off and then boots up by itself. In fact, this problem has surfaced among the most prevalent issues afflicting users of various Android devices including the Samsung Galaxy J5 smartphone. If by any chance you too are dealing with the same problem in which your Galaxy J5 reboots by itself and you need some help in fixing it, then this post might be able to help you out. Highlighted in this content are possible causes that you may need to consider looking into when troubleshooting the problem. Applicable workarounds and potential solutions are also offered, so feel free to give each of them a try in case you run out of options and don’t know what to do next.


Before anything else though, if you have other issues with your device, then visit our Galaxy J5 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.

What causes your Galaxy J5 to reboot by itself?

Many factors can trigger an Android device like your Galaxy J5 to reboot by itself. Among the common culprits include a faulty app, defective battery, insufficient memory, and bad firmware (Android update) to name some. Here’s why and how each of these factors causes the problem.

  • Faulty apps. When a new app or content is installed on your device and that app contains a bug or corrupted file, it may not be able to function as it is supposed to or worst, ruins the system functions. If this is the trigger, your device will keep rebooting by itself until the faulty app or corrupted content is removed.
  • Bad battery. Another factor that can cause the same problem to occur on your phone is a bad batter. A defective battery may no longer be able to support the required performance so your device will just opt to power off instead of attempting to carry out a certain process. Aside from physical or liquid damage, poor charging habit can also cause the battery functions to become degraded in time.
  • Insufficient memory. When the internal memory on your phone is running low, performance issues begin to surface. Slow performance or lags, freezes, random reboots, and other storage errors are among the usual symptoms to instigate. In this case, you need to free up some space like deleting unwanted apps and media contents from your device. Clearing apps caches and data files can also help. Usually, a reboot (soft reset) might be able to deal with the problem at first but in the long run a more advanced solution is already necessary.
  • Bad firmware. This is when your device receives an update and that update contains some bug. So instead making your device perform better, what happens is the opposite. Your device can likely get back up to its best performance once the bug is removed. Often times, a new firmware update or new Android version is required to fix any existing bug.
  • Physical or liquid damage. This can be considered the worst possible cause. It is possible that your device keeps rebooting by itself because some pertinent components are damaged in any way and needs repair.

How to fix your Samsung Galaxy J5 that keeps rebooting by itself?

Now that you already learn about the possible causes, it’s time to work on the solution. As much as possible, try to work on the aforementioned factors first. If the problem persists, then consider the following options. These are generic solutions to software-related issues affecting Android devices so they might be able to rectify the underlying cause and get your Galaxy J5 back up and running properly again. Don’t forget to test your device after completing each method to see whether or not the problem is fixed.

But if you suspect that a hardware damage is to blame, you can save time by taking your device straight to an authorized service center in your place. Do so if there were previous instances of dropping or liquid exposure on the phone. That might have damaged one of your phone components and eventually caused your device to act that way.

Boot into safe mode

You can use safe mode to access the operating system with default software and troubleshoot software-related issues on your Galaxy J5 device. Booting into safe mode is recommended if any installed app no longer works as intended or if your device itself keeps restarting by itself. You can securely uninstall buggy apps that might have caused the device to act weird. Here’s how enable or enter safe mode on your Samsung Galaxy J5:

  1. Power off your device completely.
  2. Press and hold the Power button.
  3. When the Samsung logo appears, release the Power button then immediately press and hold the Volume Down button.
  4. Keep pressing the Volume Down button until your device boots up.
  5. If you see the Safe Mode label on the lower-left corner of the screen, it means that you have successfully entered safe mode and your device is currently running in safe mode.
  6. Now, tap Settings then select Device.
  7. Tap Applications and Application Manager.
  8. Navigate to the Downloaded section.
  9. Select which app to uninstall. You may uninstall any suspicious apps, particularly the most recent apps you have installed prior to the onset of the problem.

When you’re done removing suspicious bad apps, reboot your Galaxy J5 to exit Safe Mode and switch back to normal mode.

Boot into Recovery Mode and Wipe Cache Partition

Booting into recovery mode and perform a wipe cache partition is another potential solution to deal with device issues that are related to a bad memory. For example, if you start to experience degraded performance like constant lags, random freezes, constant bootloops and force closes due to insufficient memory on the device. Booting into recovery mode is also another way to download and flash Samsung updates to your device’s firmware.

There are different ways to enter recovery mode on your Samsung Galaxy J5. You can use the hardware buttons, ADB tool on Windows PC, and ADB on Mac OS X computer. You can use any of these methods based on your preferences. Yet most of the time, you’ll end up opting for a method which can be carried out using your phone. So here’s how to enter recovery mode using the Galaxy J5 hardware keys:

  1. Power off your device.
  2. When it’s completely turned off, press and hold the Volume Up button, Home button and then the Power button for a few seconds.
  3. Release the Power button when the Samsung logo appears.
  4. Then release the all the remaining buttons when the Android (green bot) logo appears. Usually you will be prompted with a message that says, Installing system update, about 30 seconds before the Android system recovery menu appears.
  5. Press the Volume Down key to highlight or select wipe cache partition from the menu options.
  6. Then press the Power button to confirm selection.
  7. Wait until the wipe cache partition is complete. You should then see the Reboot system now option is highlighted.
  8. Press the Power button to reboot your device.

It may take a little longer for your device to reboot so just wait until it loads the Home screen. By then, you can use your phone again. Try to observe if it’s still rebooting by itself afterwards.

Warning: Please note that while recovery mode do offer benefits, incorrect use of this mode can also lead to possible fatal problems on the device.

Factory Reset/Master reset (last resort)

A factory reset also known as master reset will delete everything from your device including your personal information, customized settings, all data and media contents. And should there be any bugs that might have messed up the device firmware, then that should likewise be eradicated.

Factory reset using your Galaxy J5 Settings menu:

  1. Tap Settings from the Home screen.
  2. Scroll to and tap Backup and reset option.
  3. Select Factory data reset.
  4. Tap Reset device.
  5. Tap Erase everything.

If the above steps are not applicable or cannot be done because your device is unresponsive or frozen, use the other method which is a factory reset through the hardware keys.

Factory reset your Galaxy J5 using the hardware keys:

  1. Turn off your device completely.
  2. Press and hold the Volume Up, Home and Power buttons simultaneously for a few seconds.
  3. When the Android Recovery menu screen appears, release all buttons at once.
  4. Use the Volume Down key to navigate and highlight wipe data/factory reset option.
  5. Then press the Power button to confirm selection.
  6. Use the Volume Down key to highlight Yes — delete all data then press the Power button to confirm.
  7. Wait until the device erases all your data. When done, select the Reboot system now using the Volume key, then press Power to reboot the device.

After the restart, all settings on your Galaxy J5 are now set to factory defaults. You can now proceed with the device setup. Carefully observe and monitor your device if it still reboots by itself after the master reset.

Seek more help and options

If the problem persists, contact Samsung Support or your carrier to escalate the problem and seek further assistance and recommendations. The problem might be too complex for end-users to handle and thus a more advanced troubleshooting tool is already necessary. If your Samsung Galaxy J5 is still under warranty, then availing for service or replacement warranty is also another option for you to consider.

Connect with us

We are always open to your problems, questions and suggestions, so feel free to contact us by filling up this form. This is a free service we offer and we won’t charge you a penny for it. But please note that we receive hundreds of emails every day and it’s impossible for us to respond to every single one of them. But rest assured we read every message we receive. For those whom we’ve helped, please spread the word by sharing our posts to your friends or by simply liking our Facebook and Google+ page or follow us on Twitter.

Samsung Galaxy S5 is stuck in boot loop after installing some apps, other firmware problems

Being stuck in boot loop is one of the results of corrupt firmware and it usually occurs after a firmware update or manual installation of modified ROMs. We’ve been receiving a lot of issues like this from #Samsung Galaxy S5 (#GalaxyS5) owners lately. So, in this post I addressed some firmware-related problems.

Galaxy-S5-stuck-boot-loop

Read on to know how to fix these issues just in case one may happen to you in the future. Here’s the list of the issues I included here…

  1. Galaxy S5 stuck in boot loop after certain apps were installed
  2. AT&T Galaxy S5 can’t use Straight Talk’s services
  3. Galaxy S5 reboots on its own without apparent reason
  4. Galaxy S5 keyboard glitches, screen randomly flickers
  5. Galaxy S5 firmware update won’t complete
  6. Galaxy S5 can’t update, lags a lot, can’t make calls, text messages fail
  7. Several issues occurred after user took out battery and SD card from S5
  8. Galaxy S5 occasionally lags or freezes

For those who have other problems, visit our S5 troubleshooting page to find similar issues. You may use the solutions we provided before and if they don’t work for you, contact us by completing this questionnaire. We ask you to provide as much details as possible so we can help you better.


Galaxy S5 stuck in boot loop after certain apps were installed

Problem: The day after she installed those apps, I was on the phone, heard a loud beep in my ear, and the screen froze. It then started the reboot loop. I took the battery out and let the battery cool, and after several failed attempts, and leaving it alone for awhile, it worked. It crashed once the next morning. So, I left it alone, and it came back to life. I deleted all apps I don’t use and cleared the caches for each, and it seemed to be doing fine. My daughter grabbed my phone later and was doing a quiz online and it crashed again. I have done a hard factory reset and it’s still stuck in the reboot loop. I can’t make it function. Help.

Troubleshooting: We can go all day trying to find the culprit without the guarantee that the issue will be fixed. Since you already did the factory reset, I assume you already did all the hassles of backing up your data. So, I suggest you do the master reset. It’s simply like the factory reset but it also reformats the data and cache partition:

  1. Turn off the device.
  2. Press and hold the following three buttons at the same time: Volume Up key, Home key, and Power key.
  3. When the phone vibrates, release the Power key but continue to press and hold the Volume Up key and the Home key.
  4. When the Android System Recovery screen appears, release the Volume Up and Home keys.
  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.

AT&T Galaxy S5 can’t use Straight Talk’s services

Problem: Hello! Alright my problem is that I’ve had this phone for a year now, and in that year I have never ever been able to download anything what so ever with out wifi. All of my phones I’ve had have been on straight talk, this is my fourth phone and its the only one to have given me problem. I bought an AT&T Galaxy S5 and when I put my SD card in and changed the apn setting like I was supposed. In the corner is still says AT&T and it will not let me download apps (without wifi) or download any of the newer software(with wifi). I really hope you can help me because I love my phone and don’t plan on getting a new one anytime soon.

Answer: It should still say AT&T because you inserted the SD card instead of the SIM card. But assuming you did insert the SIM card, then you need to call Straight Talk as it’s apparently a provisioning issue.

Galaxy S5 reboots on its own without apparent reason

Problem: Phone is only 1 year old in excellent condition. Over the last 6 weeks it would reboot on its own accord when in use. It would keep repeating over and over until I took out the battery. Very difficult to operate and then it just got worse. I took it to Optus store (retailer). They said “delete cache,” I did that, no improvement. Took it back. They said factory reset. No improvement. In fact, it became frozen. Took it back to Optus who sent to tech. They came back and said warranty is void because I downloaded some operating system?  WTF. I have no idea what they are talking about. What can I do? They refuse to fix or give me a replacement under warranty.

Answer: They should have properly explained to you why they can’t honor your warranty claim. It’s your provider’s responsibility to provide you with information or explanation why they can replace your phone or why Samsung tech refused to repair it.

When the said that you “downloaded some operating system” onto your phone, it means that a firmware may have been manually installed, or it was rooted and a custom ROM was installed to it. Technicians can easily find out if the firmware running in the phone is modified or not.

Now that your provider and Samsung don’t want to fix it, find a technician who can manually re-install the firmware or operating system. That’s the only fix I can think of for you.

Galaxy S5 keyboard glitches, screen randomly flickers

Problem: 1) The keyboard seems to constantly glitch out and push its own buttons, or il type something and it comes up with different numbers or letters and.

2) The screen will randomly go light grey but i can still see everything like it dimmed except for the top part where you can pull down the bar but i cant do anything when that happens nothing works.

Every time either of these happen i cant even turn off the phone because the screen wont work so i have to take the battery out every time. I have to do this like 20 times a day. This just started happening a few days ago.

Troubleshooting: While you mentioned two issues in your description, I think both are caused by one problem–screen issue.

It appears like there’s a problem with the screen itself; either it’s just a loose connection or it needs replacement. As an average end-user, you can’t do something about that, so let a technician check it up for you.

Galaxy S5 firmware update won’t complete

Problem: Every day get a notice to update system. Wifi good. 3GB avail. Say install now. Reboots and starts the install. Gets about 1/3 through and the shows the android fallen over with an exclaim, with “error” above. It restarts and everything is working normally. Verizon doesn’t know why. They want to do a factory reset which I would really like to avoid. Same sequence every day. I just defer it now. Hopefully you can help. Thanks, Brett.

Answer: I hope that the 3GB you mentioned is in your phone’s internal storage because if it’s in your SD card, then the problem is with the storage.

The first thing I want you to do is clear the cache and data of the Download Manager service so as to clear all traces of failed installation:

  1. From any Home screen, tap Apps.
  2. Tap Settings.
  3. Scroll to ‘APPLICATIONS,’ then tap Application manager.
  4. Swipe right to the DOWNLOADED screen.
  5. Scroll to and tap Download Manager.
  6. Tap Clear cache button.
  7. Tap Clear data button, then OK.

If the problem persists, try to free up some space and make sure you phone has at least 4GB in its internal storage.

Lastly, if you really want to update your phone, then do the reset.

Galaxy S5 can’t update, lags a lot, can’t make calls, text messages fail

Problems: My phone hasn’t updated since I’ve bought it, I delete so much off of it and disable apps and it says there isn’t enough space to download when there is.. it’s always done that and now I can’t run certain things on my phone because it’s not updated. My phone lags a lot.. It will turn black on the screen and freeze, my messages keep saying sending then I get notified that my messages aren’t sent. I’ll make outgoing calls and it’ll hang up before I even get a dial tone. Then out of nowhere it’ll work but the cycle continues. Then when it decides it wants to update it says I have the latest version already wait for new updates. My phone’s been the same since I’ve gotten it. Also my camera hardly wants to focus. I thought it was just me not knowing how to use the phone when I first got it, but no. It just won’t focus the majority of the time.

Answer: If it’s been like this since day 1, how come you only complained now? Why didn’t you have it replaced?

You have a lot of issues and most of them are related to the general performance of your device. So, backup your data and do the master reset. Follow instructions in the first problem.

Several issues occurred after user took out battery and SD card from S5

Problem: I began using an SD card at the beginning of February with no issues. I moved my pictures to the card just fine. 2/14/16 I had to take the SD card out of my phone to put into the bigger SD card (the adapter card?) so I could take pictures with my Canon Camera. When I took the SD card out of my phone I took the battery out first (because I thought I could not get the SD card out with out taking the battery out first?) I left the battery out of my phone while I took the picture. After putting the SD card back and the battery back in I turned my phone on. And this is when the issues began. The time is incorrect, the date said 8/10/14, the location is incorrect, says no internet-“something went wrong. Check your connection and try again.” (even though I can get on my Pinterest app which is using the internet), received several (19) messages that something went wrong with Google Play Store, and worst of all when I can send a text message and it gets sent but I can not see what I sent also I get text messages but can not see them either except on my lock screen that just gives an alert and a little bit of the message!

I have turned the device off and on with and without the SD card, taken the battery out, and started it in safe mode. Please Help!

Answer: Actually, you already know what the problem is–the time and date is incorrect. So, fix the time and date and all these issues will be fixed. It looks like your phone defaulted to the time and date when it was first programmed after you removed the battery. But that should be fixed by setting up the correct time and date.

Galaxy S5 occasionally lags or freezes

Problem: Hi there!  Thank you for your help!  This is the second device (Galaxy S5) that I have had the same issue with.  Both phones were shipped to me brand new (but refurbished I think) as an upgrade and I returned the first one after we thought it was defective. This has occurred in the last 2 weeks and I have only had my current phone for 4 days. Yet I have immediate problems with them that shows up usually by the next day.  

With my newest current device I did not back up anything except for what was backed up with my Google accounts.  I do not have an SD card in the phone. The T-Mobile rep suggested that it was an app I was using on my phone.

I conducted a master reset, opened my Google accounts & I only downloaded for necessary apps for me. Space for apps for necessary for me to complete my job as I am an Uber driver and need to make money. 

The phone is still occasionally lagging and freezing. I’ve already had to restart it which will correct the lagging temporarily.  The lagging only happens intermittently and sporadically.  I really need these apps to either make money or for daily communication.  What the heck is going on? Is it really coming from one of these five apps?  Uber partner, Facebook, Messenger, Expensify, and the Bible app.

Troubleshooting: Since you only have a few apps, it’s better if you find out if one of them is causing the problem or if it’s a firmware issue. So, isolate the problem, boot your phone in safe mode:

  1. Turn the device off.
  2. Press and hold the Power key.
  3. When ‘Samsung Galaxy S5′ 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.

In this mode, all apps you downloaded from Play Store will be temporarily disabled. So, if the problem is caused by one of them, the phone should lag or freeze in that state. However, if the issue remained, then it’s a firmware issue. Try to check if there’s available update for your device, if there’s none, then it’s time you talked with your provider again for possible replacement…again.

However, if the problem was fixed in safe mode, then one of your apps is causing it. You may try uninstalling one after another just to find out which is which and file a report to the developer through Play Store.

Connect with us

We are always open to your problems, questions and suggestions, so feel free to contact us by filling up this form. This is a free service we offer and we won’t charge you a penny for it. But please note that we receive hundreds of emails every day and it’s impossible for us to respond to every single one of them. But rest assured we read every message we receive. For those whom we’ve helped, please spread the word by sharing our posts to your friends or by simply liking our Facebook and Google+ page or follow us on Twitter.