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Galaxy S6 3G signal keeps dropping out, other issues

Welcome to another article that covers #GalaxyS6 problems. In this post, we tackle five more problems reported by some members of our community over the past few days. If you don’t see your issue published here, continue watching more of similar articles we will be providing in the coming weeks.

s6

In the meantime, here are the 5 specific topics we cover in this material:

  1. Galaxy S6 is unresponsive and won’t boot normally
  2. Galaxy S6 black screen issue | Galaxy S6 only boots in download mode
  3. Galaxy S6 opens S Voice or Google Voice when Apple earphone is used
  4. How to sync SMS on Galaxy Tab S2 and Galaxy S6
  5. Galaxy S6 3G signal keeps dropping out

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: Galaxy S6 is unresponsive and won’t boot normally

Hi there. Big fan of the site, you guys are fantastic. Saw you post this email address in an article for help so here I am. My Galaxy S6 went kaput today without warning.

This AM it began with the touchscreen and buttons becoming intermittently responsive. They worked occasionally or after a long delay, then normally for short lengths of time before becoming unresponsive again. After an hour or two of this the phone would shut itself off occasionally. No discernable pattern or reason why.

I responded by attempting to hook the phone up to my laptop so I could backup my data. The laptop would not recognize that anything was in the USB port no matter what cord I used or what port I used. The USB ports were good as my wireless mouse was able to use them all. I then attempted to restart the phone, causing it to shutdown and become unresponsive. I was able to get it on again after several attempts to restart. The issue with delayed action or lack of response with buttons and screen was still present.

Upon restart I was able to get my laptop recognizing the device and then backed up my information to the laptop. I chose to attempt a factory reset. This worked briefly as the phone began to reset itself. It then promptly crashed in the middle of the reset, leaving me with a black screen and the LED on the top left of the handset maintaining a blue colour.

I then found a copy of the OS for my phone online. Paired with the “ODIN” program I attempted repeatedly to flash it to my phone while in ODIN MODE. Each time this gave a “fail” message with the phone displaying a code in red near the top left of the screen “sw rev check fail device 4 binary 1”. I attempted this with several different varieties of the firmware with no change.

Finally, I was able while in ODIN MODE to get Samsung Smart Switch to return the firmware to its original state. This worked! Partially. I can put the phone into ODIN MODE, press down vol. to restart it and I will get the same opening screen as I did upon first buying the phone.

The issue at hand now is that it will no longer accept a charge or recognize that a charger of any form is attached. The phone displays 0% battery no matter what and shuts down after approx 5-10 seconds. I cannot get the phone to do anything other than open the ODIN MODE screen and either restart, or attempt to download firmware. No other attempt to start the phone has any effect.

Any ideas? — Carver

Solution: Hi Carver. The software solutions you tried (factory reset, manual firmware installation, etc) are the things a user should try if he/she suspects a software trouble. Software solutions won’t work if your phone has hardware malfunction due to water/liquid damage, or after it got dropped badly. So our question to you now is this: did you drop the phone or was it exposed to moisture or water prior to noticing the symptoms?

The issue you describe above don’t usually happen during normal use. Something must have been changed in the firmware, or the device must be suffering from hardware trouble for these symptoms to show. We obviously don’t know the full history of your device so only you can answer the questions. Keep in mind though that if the software solutions like the ones you’ve tried won’t change anything, the next best thing that you must do is to have the phone checked by a professional, or better still, replaced by either Samsung or any relevant party. The last drastic potential solution that you can try (which we don’t usually recommend) is by manual firmware flashing. Since that did not work either, you can assume that the phone is beyond fixing at your level. Neither you or we can fix this issue for you. Be sure to contact Samsung or your carrier for more help in the matter.

Problem #2: Galaxy S6 black screen issue | Galaxy S6 only boots in download mode

I was watching Netflix when my mobile phone was lagging about 2 times before it entered completely the black-screen. I thought it may be switched off itself because I couldn’t do anything more. I tried to turn it on again with the power button – but no reaction. I decided to do a force-restart by pressing volume down and power button the same time. It seemed to work because the start/boot screen appeared. But from now on that’s the only status i can reach. The phone is stuck in the boot screen. I can´t enter the recovery mode (vol up, home and power button) to do the Wipe-Cache-Partition Thing I´ve read about. I can only enter the Odin Mode (vol down, home and power button).

The Moment when my phone crashed, battery-level was about 47% and I was charging it.

When I manage to switch my phone off completely again and I’m plugging it in to charge, the battery-screen appears with 0% and it remains at this level even if I leave it “charging” the whole night.

But still, I don’t think that it’s a battery thing because I can “use” it – which means that I can leave it in the booting screen – with apparently 0% battery-level.

Unfortunately my English isn’t the best but I hope that you can understand my situation and would be happy if there’s a solution 🙂

kind regards. — Stefan

Solution: Hi Stefan. An issue like this doesn’t happen out of the blue so we would like to think that some software changes might be the cause. Such software changes can include modifications like rooting, installation of incompatible apps, or flashing of non-official firmware. Since your phone only boots in download mode right now, the only potential solution that you can try is manual installation of a stock firmware. If you haven’t tried this before, use Google to search for a guide to follow. Make sure that you pick the correct firmware for your phone’s particular model to avoid complications. Not using the right firmware version can brick your phone for good (if it’s not yet bricked at the moment).

If manual installation of firmware won’t change anything, or if the phone remains unresponsive or gets stuck during the process, you’re out of luck. Like Carver above, your only choice in this matter is to find a way to have the phone replaced.

Problem #3: Galaxy S6 opens S Voice or Google Voice when Apple earphone is used

Hi there, I’ve been having some trouble with this for a while so I’m hoping you can help me out.

I’ve been using Apple earbuds with my S6 Edge for a while now but never had any problems with it. Recently though, I would suddenly get notifications that my phone wanted to open the S Voice app (I’m given two choices between opening the S Voice or the Google app “just once” or “always”), and I’m not even touching anything! There were also times when it would randomly play music (the last song I opened) and no matter how many times I exit, it would start up again.

Also, my ringtone or volume would suddenly increase on its own, or when my phone is on silent, it would increase the volume so that it would change from silent to sound! I’m not too knowledgeable with phone stuff so I’m pretty baffled… It seems like my phone is possessed! I’m holding off on a factory reset for now to not lose any data, but it would be MUCH appreciated if you could help! Please keep in mind that all this happened while the Apple earphones were in my S6. Thanks! — Elise

Solution: Hi Elise. The symptoms you mention here has been observed to happen to Galaxy devices, both in old and new models, when you use third party earphones. There seems to be no pattern as to why devices behave this way though so we don’t have an accurate explanation. The only possible scenario that we can think is that third party earphones may be causing unnecessary inputs in the earphone jack that are misinterpreted by a device’s operating system. To check if the problem is being caused by the Apple earphone you’re using, consider using another one, or better still, the stock Samsung earphone that came in the box. If the issue remains even when using a Samsung earphone, do not hesitate to restore the phone’s software settings to default via factory reset. Doing the reset will help you determine if the issue is due to a firmware glitch, or if it’s hardware malfunction. For reference, here are the steps to factory reset you 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.

Remember, if factory reset won’t yield anything positive, the problem is most likely phone- or hardware-related. Call Samsung or any relevant party to get a replacement.

Problem #4: How to sync SMS on Galaxy Tab S2 and Galaxy S6

So I just got the Galaxy Tab s2 and I have the Galaxy s6 phone and want to sync the messages so that I can get them on both devices. I thought with side sync I’d be able to but don’t think so anymore. and then I tried at&t message app and that kinda worked but the contact names didn’t come through. and also I thought I had that on my s6 phone but it says it’s not compatible with my device! Any ideas or help I’d be so happy! I’m so lost and I’ve never been this lost when it comes to phones and such!! Please help. If I can’t sync the messages then I don’t think I want to keep the tablet. I know there was an at&t message app at one point I just don’t know if I did something? — Gina

Solution: Hi Gina. Messaging apps work independently in every device and therefore cannot be synchronized. Unless you use apps such as Facebook’s Messenger, Google’s Hangouts, and similar ones, there’s no way your SMS will be reflected in two devices the way you want it. We are not positive if AT&T’s messaging app has a sync feature for SMS so you must talk to them for an accurate answer.

Problem #5: Galaxy S6 3G signal keeps dropping out

I have acquired a Samsung Galaxy S6 about 3 months ago and I realised that when connected to mobile data (3G) the signal keeps dropping constantly. It’s super annoying and even more now that Pokemon Go is out. It really bothers that I have “no Internet connectivity” for about 30seconds every 5 minutes or so. I live in the countryside, so no 4G connections for now. The symbol shown is “H+”, and I was wondering if that’s a hardware or network issue. I previously owned a Samsung A3 and don’t recall having this problem. Has anyone else faced this issue as well? — Pedro

Solution: Hi Pedro. This issue can be due to software glitch, hardware malfunction, or network error so it’s your task to identify which of them is the cause. The first step that you want to do is to delete the phone’s system cache. Follow these steps in order to do that:

  • 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.

If wiping the cache partition won’t resolve the problem, do a factory reset and observe the phone for a few hours (without installing any app). Should the signal remain intermittent even with a  clean firmware, the problem is either network related, or problematic cellular radio on the device. If this phone was provided to you by your carrier, contact them and let them know about the issue so they can either advise you on what to do (if it’s a problem on their network), or if your phone needs replacement. If you purchased your phone from a retail store, call them or Samsung so they can replace the device.

 


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