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Galaxy S6 ”SystemUI has stopped’ error, other issues

The #GalaxyS6 series may not be as popular as the S5 in terms of sales, we know for a fact that many users still find the device amazing and reliable in general. Millions of people are still using the Galaxy S6 and its other variants around the world so we continue to receive a lot of reports about issues related to it.

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Below are some of the problems we cover in this material today:

  1. Calls and mobile data on water-damaged Galaxy S6 not working properly
  2. Galaxy S6 ”SystemUI has stopped’ error
  3. Galaxy S6 stops charging after Marshmallow update
  4. Galaxy S6 damaged screen not turning on
  5. Galaxy S6 screen flickers when brightness is set to low
  6. Galaxy S6 stuck in Samsung logo screen

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, or you can install our free app from Google Play Store.

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.


Problem #1: Calls and mobile data on water-damaged Galaxy S6 not working properly

My Galaxy S6 was submerged in water for about 30-60 seconds. After putting it in a bag of rice, it started to turn on but the screen would flicker and sometimes it wouldn’t turn on. Eventually the screen just stopped working. I read up that soaking it in alcohol can clear up any minerals or anything left behind by the water so I took a blow dryer to unseal the back to take it off prior to soaking it in alcohol and realized I forgot to power down the phone midway, and when I proceeded to do so the screen started working again no problems. Few weeks down the road I noticed that a lot of my calls were choppy and my data doesn’t work as well  I’m wondering if I should go ahead and soak it in alcohol to clean it out as a fix or if there is some other way to proceed. Either way just happy it still works mostly fine other than those two things. — Ghussan

Solution: Hi Ghussan. “Soaking in alcohol” is just one way of cleaning a wet device. It is not a fix in itself. Soaking your phone in a drumload of alcohol won’t repair a shorted component or a corroded logic board! The things that you did right after the phone got wet (opening the device and cleaning it with alcohol, etc) are only first aid procedures to minimize the damage. Your phone needs to be checked for hardware damage, especially that it’s showing signs of problems.

Keep in mind that water damage can result to all sorts of problems. The side effects may be instantaneous or can take some time. A corroded logic board for instance may not immediately result to problems. Only when rust and corrosion has directly affected the circuit will issues manifest. This is one of the reasons why a user needs to clean and dry all internal components right away.

We have no idea what components are affected right now so make sure that you bring the phone to a shop so it can be examined.

Problem #2: Galaxy S6 ”SystemUI has stopped’ error

Hi. Since today my phone keeps showing the message ”SystemUI has stopped”. When I click it away it reappears within 1 sec. After around 20 seconds my phone reboots itself and everything starts over again. I already tried wiping my cache but that didn’t solve the problem. I want to reset my phone, but I’m not able to back up my data since my phone reboots every 20 seconds. Do you know any other way how I could backup my data? And do you know why this message keeps appearing out of a sudden? Best regards. — Alyssa

Solution: Hi Alyssa. This error usually pops up if you delete an critical service or app from the device, or if the operating system gets corrupted for some reason. The only effective way to deal with this error is by doing a factory reset. If you can’t create a backup of your personal files, that’s unfortunate but you must do a reset if you want the device to turn back on normally.

For reference, here are the steps on how to factory reset your S6:

  • Turn off your Samsung Galaxy S6 Edge.
  • Press and hold the Volume Up, Home and Power keys together.
  • When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  • Wait until the Android Recovery Screen appears after about 30 seconds.
  • Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  • 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.
  • After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

Problem #3: Galaxy S6 stops charging after Marshmallow update

Hi. So my phone does not charge. There is no problem with the cord as I have been using it to charge my other devices so I’m guessing there is something wrong with my phone. When plugged in, it doesn’t show the electric bolt sign while there is still battery. However, when there is no more battery and I plug it in it shows the sign but doesn’t actually charge. My problems have been happening ever since I updated my phone to the Marshmallow 6.1. I actually somehow charged my phone but that was only after countless plugging the cord and removing it. — Shannel

Solution: Hi Shannel. If you think the issue started right after a Marshmallow update, make sure that you wipe the cache partition first. Here’s how:

  • Turn off the device.
  • Press and hold the following three buttons at the same time: Volume Up key, Home key, and Power key.
  • When the phone vibrates, release the Power key but continue to press and hold the Volume Up key and the Home key.
  • When the Android System Recovery screen appears, release the Volume Up and Home keys.
  • Press the Volume Down key to highlight ‘wipe cache partition.’
  • Press the Power key to select.
  • When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device.

Should cache partition wipe won’t change anything, do a factory reset. After the reset, observe how charging works. Make sure not to install anything during the observation period. If nothing changes, there must be some hardware problems preventing the phone from charging properly. Contact Samsung for repair or replacement.

Problem #4: Galaxy S6 damaged screen not turning on

Hi there. I am currently on a contract from Vodafone with a Samsung Galaxy S6 that will end this month. about a year ago I visited my auntie in the Caribbean and was sleeping on her bottom floor. Her floor was marble and I was on a couch. I dropped the phone from knee height and the screen cracked…it was very annoying…it’s been working fine ever since then, just the cracks in the phone had started to get progressively worse. I was planning on just changing the screen but hadn’t got round to it yet.

A few days ago I was with my friend and she had sat on my phone by accident. When he gave it back to me the bottom left part of the screen was black and was unresponsive to touch. After a few hours it started to spread to the left of the screen, kind of like a glitchy patch. At that time most of the screen was responsive to touch, but it became progressive difficult. After a night since it happened, it seemed like there was a huge black ink stain in the middle of the screen. I could still see the edges of the screen. It was as if the ink stain was covering it.

it’s been a full day since then and the phone still works, turns on, charges, and everything, but the screen is completely black and unresponsive. I can still hear my notifications and messages, it’s frustrating because I have to contact people immediately and i have no way of checking my missed calls. I’m aware that I can simply buy a new touch screen rather than just the glass. I realized this because the first replacement screen I searched for was quite expensive before my friend showed me I could just buy the glass, but it seems like I would have to buy the expensive screen. I’m completely fine with repairing it myself. I’m quite adept when it comes to those kind of things…I was just wondering if I could have any advice. If you could get back to me asap with any information, I would be incredibly grateful Thank you. — Alex

Solution: Hi Alex. First of all, we don’t provide hardware troubleshooting and solutions in our blog. If your main intention is to get instructions on how to replace the screen assembly, kindly look for other blogs that provide them.

Secondly, you must keep in mind that the screen module is composed of three main components — the LCD, the digitizer, and the digitizer flex cable. Although we need to physically check the device to see which of the three is damaged, we think that both the LCD and digitizer may have stopped working properly. The LCD or liquid crystal display is the thin monitor that shows images on your screen. The digitizer is also a thin layer of glass on top of the LCD that converts your touch inputs into digital signals. Normally, if an LCD is crushed, the digitizer also gets damaged in the process. This means that if you want to do the repair yourself, it will be best if you can simply buy the entire screen assembly rather than the individual parts. Again, we don’t provide hardware diagnostics or tips so look for a good guide somewhere.

Finally, screen repair is a tricky business and sometimes, even seasoned technicians can’t get it right. We strongly suggest that you let a professional do the repair to minimize complications.

Problem #5: Galaxy S6 screen flickers when brightness is set to low

Hey DroidGuy. I’ve been having a few issues with my phone as of the past month. I have done a full reboot of my phone and a soft reboot like you suggested but neither have worked to fix the said problem.

The problem is that when I turn my screen light to the lowest, I get a glitch screen, from the bottom to just under the notification bar I get a yellow color haze over my screen. I can still use my phone but it’s there. so for someone who likes to lay in bed at night having to have my phone brightness up kills the eyes.

I looked up the problem and it’s apparently a problem with quite a few Samsung Galaxy S6s. the solution was to go into the developer options and turn of background overlay which did nothing to help.

There is also a major glitch that happens often with my phone. I’ll go to turn on the screen and it will glitch and not let me turn it on for a few seconds. Then after it will glitch when I power it off, this doesn’t happen as often as the first problem but it is a problem that I haven’t found a solution to. So if it something I can personally fix that would be great to know the solution if not it’s time to save up for a new phone. — Sydney

Solution: Hi Sydney. The two issues may be related but there’s no way for us to know for sure if it’s software or hardware issue.  If factory reset and turning off hardware overlays did not help though, then you must probably have a hardware issue. Contact Samsung and get the phone replaced.

Problem #6: Galaxy S6 stuck in Samsung logo screen

Hey! So, I already addressed the issue to you guys on Facebook but I’m kind of desperate, so here I am again. I was on your page because my phone isn’t turning on and none of the things on you posts seem to solve the issue. My phone was being used to stream adult content and apparently an ad came up and when trying to close a pop up to be able to close the ad, it started downloading a file. Such file was not opened but deleted from the download files. Right after that, the phone turned off and turned back on, but this time it doesn’t pass the screen where it says the name of the phone. I’ve tried putting it back on and turning the phone on; tried launching the android reboot menu and failed. I don’t know what else to do and I really need to solve this issue. HELP PLEASE! — Janeliz

Solution: Hi Janeliz. Kindly do a factory reset and make sure that you only visit safe websites. Steps are provided above on how to factory reset your device.

 

 


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