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Galaxy S6 edge randomly reboots, keeps bootlooping, battery level is erratic, other issues

If there’s one issue that seem to occur in almost every smartphone, including the #GalaxyS6, it’s power/boot problems. We usually receive a lot of reports about the S6 failing to turn on or boot up so we decide to publish some of them here again today.

If you are looking for solutions to your own #Android issue, you can contact us by using the link provided at the bottom of this page.

When describing your issue, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start. If you have already tried some troubleshooting steps before emailing us, make sure to mention them so we can skip them in our answers.

Below are specific topics we’re bringing for you today:

Problem 1: Galaxy S6 overheating, screen showing random colors, won’t turn on

Hi. So i woke up this morning and i wanted to check the time on my Galaxy S6. So i took my phone and turned it on, but suddenly when i took it in my hand it started vibrating and never ended. I was afraid that it was broken, so i turned the screen on and unlocked it. It was pretty bright in my room so i turned up the brightness, suddenly while i was turning the brightness up the display started flickering! Half of the screen was orange, and it filled up with static and glitched out , and then it rebooted. Shortly, the LED started freaking out and displaying random colors along with the display flickering and then it overheated with an endless black screen. — Casey

Solution: Hi Casey. Has your phone been dropped, physically impacted, or got wet? Looks like the phone has a hardware issue. No software error can cause all the symptoms you mentioned all at the same time. The screen, for instance, seldom glitches the way you describe it here unless it’s been damaged, or unless the motherboard is totally messed up. Since you can’t remove the battery easily, try to wait until the phone turns off by itself after the battery is drained fully. Then, charge the phone again and see if it boots back up normally. If you’ll encounter the same symptoms afterwards, don’t waste your time looking software solutions. You won’t most likely fix the problems at your level. Instead, consider bringing it to Samsung or to an independent service center so a technician can check the phone physically.

Basing on the problem description above, this will most likely involve a motherboard repair or even a replacement. Be sure to prepare some cash for repair fee and parts replacement.

Problem 2: Galaxy S6 edge randomly reboots, keeps bootlooping, battery level is erratic

Hello there. I need your help regarding my Galaxy S6 edge. Well i was simply playing a song connecting via aux cable in the car. My battery was at 64% and all of a sudden the phone started heating up and the battery dramatically dropped very fast to 0% and the phone switched off. I left it to cool off and tried to charge it but it wouldn’t charge. i kept trying. i changed the chargers and the ports and adapters but it still wouldn’t charge. i left it for a day and tried charging again and all of a sudden it was charging. After that i tried to make a phone call while it was still on charger at around 15%, it heated up again and switched of and refused to charge again. Please help me to sort out this problem better.

Another problem with the phone is that it always goes into boot loop. If the phone switches off either due to battery outage or me restarting it, time and again it goes into boot loop. — Zamel16vee

Solution: Hi Zamel16vee. There’s a chance that there’s a problem with the battery so the first thing that you want to do is try to recalibrate it. This is a simple procedure but it requires some time and effort to do. If you haven’t done it before, follow these steps:

  1. Use the phone by playing games or doing tasks to hasten power discharge, until the phone turns itself off.
  2. Charge the phone without turning it back on.
  3. Wait until the battery says it is fully charged to 100%.
  4. Wait for an hour before unplugging the phone from the charger.
  5. Use the phone until battery reaches 0% percent. The phone should turn off by itself.
  6. Recharge the phone to 100%, wait for an hour before unplugging it again.
  7. The battery should now be recalibrated. Observe how phone works.

If the issue continues after a recalibration, the next logical step is to deal with a possible operating system glitch. Bugs can sometimes develop over time and sometimes they can result to significant problems like the ones you’re experiencing. To know if the reason for your problems is software-related, you must do a factory reset. Here’s how:

  1. Create a backup of your important files.
  2. Turn off your Samsung Galaxy S6 Edge.
  3. Press and hold the Volume Up, Home and Power keys together.
  4. When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  5. Wait until the Android Recovery Screen appears after about 30 seconds.
  6. Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  7. Press the Volume Down button again until the option Yes — delete all user data is highlighted and then press the Power key to select it.
  8. After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.
  9. Set your phone up again and let it run for 24 hours. Be sure that you don’t install any app to know if the problem is gone.

Remember, if the phone continues bootloop or overheat when there are no apps, the cause is more likely hardware malfunction. That means it can be the battery or something in the motherboard. You should let a technician identify where the problem lies from here on out. If the device is still under warranty, let Samsung do the repair.

If your phone appears to work normally after a factory reset but resumes acting erratically after installing your apps, that means one of the installed apps is problematic. Uninstall third party apps until you’ve eliminated the cause.

Problem 3: Galaxy S6 edge screen is unresponsive

Samsung S6 edge keeps having the screen go unresponsive. It’s been doing this for days now and sometimes a force reboot works, other times even factory reset will do nothing. I’ve wiped my phone 3 times and the problem keeps coming back randomly. i’ve tried reseting cache and taking my SIM out and nothing works. Its software is up-to-date. it works for a few hours and then boom, nothing registers. I’ve never dropped it so i assume it must be a firmware issue, but no third party apps are installed except a VPN. Booting in safe mode has no result either. Now and then rebooting it works but only for a little bit. Thank you. I hope i included all relevent data. — Alex W

Solution: Hi Alex. We’ve already covered this issue countless times in our posts and if you’ve read some of them, you should know that Android troubleshooting is simple and not all issues are meant to be fixed in a user’s level. For example, your issue, based on how you describe it here, appears to be hardware-related. The most that you can do at your end is factory reset. If you’ve already tried observing how your phone works after a factory reset when there are no apps installed, then the problem is just beyond your ability to fix. Screen unresponsive problem can be a sign of deeper hardware issue, or a corrupted software. Usually, if it’s a software problem, it should get away after a factory reset. The unresponsiveness or random freezing issue may be a sign of bad storage device, failing processor, or a malfunctioning motherboard in general. There’s no way we’ll ever know what the real issue because hardware diagnostics require that we physically check the phone and know the complete history of the device. We’ve seen an issue like yours in older devices as internal storage devices eventually degrades in terms of performance over time. We know the S6 is not necessarily old but if you tend to be adventurous when it comes to software, that is, you tend to install a lot of apps, root the phone, or reflash the firmware, you’ll most likely encounter storage device failure sooner. Don’t take this as the real cause for your current problem though. We may be entirely mistaken as there are other factors that can come into play. In general though, if a factory won’t fix the issue, then there must be a significant hardware problem behind the trouble.

Problem 4: Galaxy S6 won’t charge, won’t turn on at all

I was charging my Galaxy S6 overnight. I woke up to find it stuck at the black and white Samsung logo screen/startup screen. Soft resetting did not work. It went back to the startup screen everytime. Could not access the recovery menu at all. Could only get to the ‘rom is install’ warning screen. Could not connect to the PC because battery was completely dead and could not charge. Phone does not charge via outlet or PC. It is completely dead at this point. Does not switch on at all anymore. Just a blank black screen (not even the black ‘back light ‘ appears anymore to show that it is attempting to switch on). Please help me. — Blane

Solution: Hi Blane. The only thing that you can do right now is to try a different known working charger and USB cable. There may be a problem with the current charger you’re using. If the phone remains dead or unresponsive, you’re out of luck. There may be a battery or hardware problem preventing the phone from booting up. Unless you have the tools and expertise to take your phone apart to replace the battery, you should consider sending the phone in. There are other hardware considerations so you want to let someone who does repair for a living take a look at the device.

 


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