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Galaxy S6 edge microphone not working during voice calls, stuck in boot loop, other issues

Hello Android community. Welcome to another post that answers some issues about the #GalaxyS6. We hope that you’ll find this article helpful.

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 submerged in water won’t turn on

My daughter submerged my phone in water for a few seconds. When I got it, the screen still was on. However, I didn’t know to turn it off so I left it on (which I now see is a huge mistake). The screen blinked and flagged some, plus the phone vibrated sporadically. I set it in a bag of rice and for the first 12 hours a light was on on the top. Now it’s mostly blank, it powered on once, and twice the screen was full of light green lines. The water damage thing by the SIM card is all white. If this phone wrecked or still drying out? — Rachel

Solution: Hi Rachel. If you’re right to say that the phone was indeed submerged in water, the motherboard must have been damaged permanently at this time. And no, drying the device won’t fix whatever component that had stopped working. If you want to know if your phone can still be saved, let a professional check the hardware. Keep in mind that even repair may not fix the phone. If you’re lucky and the damage is isolated to easily replaceable parts only, you may still be able to make use of your phone. The best thing that you can do right now though is to simply replace the phone.

Problem 2: Accidentally dropped Galaxy S6 has broken screen

Hello. I dropped my phone onto a rock at the river. The glass broke barely in one little round spot and there was a line across the screen and it was glitching/ jumping non stop. I was able to get a response touching the screen when it would stop jumping for a few seconds at first. Now it’s just a black screen that flashes green lines across it when i press any button. Please advise me what to do? — Rachael

Solution: Hi Rachael. Like damaging an electronic device with water, an unnecessary shock from accidental drop can lead to all sorts of hardware problems. If the screen issue immediately occurred after you dropped the device, there’s no software solution that you can do to fix it. You must have the phone repaired or replaced.

Problem 3: Wet Galaxy S6 won’t boot normally

Hello. Thank you for all the tips and the work you guys put into. So here’s my issue. 5-6 days ago I dropped my Galaxy S6 in the ocean. Took it back immediately. I went home 5 hours later and used a hair dryer on the USB port. I wasn’t really worried thinking that the ip68 Samsung offers on the phone + all the tests video on YouTube are very satisfying. What I’ve experienced next was the drop icon (moisture detected) everytime I plugged the charger. I thought maybe in a few days it’ll be dry and it will be alright. Then today I plugged the charger the phone was off I let it charge it got to 60% unplugged it without turning it on. Once in my car I tried to turn it on and nothing. Went back, plugged the charger, it worked. I turned the phone on then I restarted it and that’s when it stopped working. It was off completely — no battery charging notifications, no power detected, nothing. the phone is dead. I am extremely worried. I just got the phone one month ago, brand new. now it’s dead. Please help. — Mg

Solution: Hi Mg. First off, a Galaxy S6 does not have IP68 certification so you must either be misinformed, or you’ve selected an incorrect category when submitting your problem. We think it’s the latter since the phone was showing moisture detected error, which should not be present in an S6.

Secondly, there’s really nothing much that you can do in terms of troubleshooting if the phone won’t turn on in the first place. There are no magic tricks that you can do to make a dead phone come back to life. The only troubleshooting that you can try is see if you can start it in alternate boot modes by doing three hardware button combinations. If your phone remains dead or won’t respond to any hardware button combination, you should send it in.

For reference, below are the steps on how to restart your phone to other modes and the respective follow up troubleshooting for each of them:

Boot in Recovery mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy logo shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. You can either wipe the cache partition or do a factory reset when in this mode.

Boot in Download Mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and then hold the Home and Volume DOWN keys, then press and hold the Power key.
  3. When the Samsung Galaxy logo shows on the screen, release the Power key but continue holding the Home and Volume DOWN keys.
  4. Wait until the Download screen appears.
  5. If you can boot the phone in download mode but not in other modes, that means that your only way out may be to flash a stock or custom firmware.
  6. Use Google to look for a guide on how to do it.

Boot in safe mode:

  1. Charge the phone for at least 30 minutes.
  2. Press and hold the Power button.
  3. Once the Samsung Galaxy logo appears, release the Power key and immediately press and hold the Volume Down button.
  4. Continue holding the button until the phone finishes rebooting.
  5. Once you see the text “Safe mode” at the bottom left corner of the screen, release the Volume Down button.
  6. The only difference of safe mode from normal mode is that the former prevents third party apps from running. If you can boot the phone in safe mode but not in normal mode, uninstall all apps until the issue (that prevents you from booting normally) is eliminated.

Problem 4: Galaxy S6 won’t charge or turn on

Hello. My phone ran out of battery, like it hit 1% and after a while it turned off (so i assumed it hit 0%). I tried charging my phone but when I plug it in, the LED light won’t flash and there is no response in the screen. I have tried all the tips and steps you have given above but they don’t seem to be working. Please can you help me. — P_amin1

Solution: Hi P_amin1. Did you wait long enough when your phone was connected to the charger before coming to the conclusion that it was not charging? If, say, you’ve waited for at least 30 minutes already but the phone remains dead, then there must be a bad hardware causing it. It can be a malfunctioning battery or motherboard. The latter is more serious and will likely result to a phone replacement.

If you have a wireless charger, we suggest that you try using it in the event that the issue lies on the USB charging port or the cable charger. Otherwise, just send the phone in so it can be checked.

Problem 5: Galaxy S6 keeps rebooting randomly after a factory reset

Hi. I couldn’t remember my password for my phone so I did a factory reset and cleared the cache files. After that I clicked on reboot and now my phone won’t stop turning on and off.

Also, I am not sure which operating system it is running on. I just downloaded the latest software update a few weeks ago. — Holagirl73

Solution: Hi Holagirl73. A factory reset should fix issues, not caused them. If you were able to factory reset your phone successfully but started turning on and off after you’ve installed back your apps, we suggest that you do another round of factory reset. After that, you want to identify what app is causing the problem by installing them one by one, making sure that you observe how the phone works after every installation. This is the only way to know what app is causing the problem.

Problem 6: Galaxy S6 stuck in boot loop

Hi. My phone got stuck on boot loop (blue screen saying don’t turn off target download). I did all the steps you have provided but it won’t come out of boot loop. I can turn boot loop back on but it won’t start the phone like it was supposed to. It’s just a black screen. So i was just wondering what you would suggest i do ? Thank you very much for your time and consideration. — Jhade

Solution: Hi Jhade. You must attempt to boot the phone to Recovery mode first so you can wipe the cache partition and factory reset. If both won’t help, you can then try to flash the bootloader. Below are the sample steps on how to do that. Keep in mind that the exact steps may vary depending on your phone model so make sure you follow a good guide. These steps are only for demonstration purposes only:

  1. Look for the correct firmware for your phone model and download it. Make sure that you select the right one. It should be the same exact firmware that ran previously on your device. We assume that you list down the firmware version somewhere. If you did not take note of it before, there’s a chance that you may pick the wrong one. As you may know now, using an incorrect firmware can cause complications so good luck with that.
  2. Let’s now say that you have identified the correct firmware. You then want to download it to your computer. The firmware file should have a bunch of files in it like AP_, BL_, CSC_, etc.
  3. Look for the file that starts with a label BL; this should be the corresponding bootloader file for this firmware. Once you’ve identified the bootloader file, copy it to your computer’s desktop or to any other folder that you can easily access.
  4. Proceed with the rest of the flashing procedure using the Odin program.
  5. In Odin, click on the BL tab and make sure to use the bootloader file you’ve identified earlier.
  6. Now, make sure that the “Device Added” status and its “ID:COM box” has turned blue before hitting the START button. This will initiate the flashing of your phone’s bootloader.
  7. Restart the phone once the procedure is finished.

Problem 7: Galaxy S6 edge microphone not working during voice calls

I have recently bought a company refurb Galaxy S6 edge. I have all sounds except for when I make video calls. The loud speaker won’t work. I can hear the other person but they can’t hear me and all volumes are set to high. — Sarah

Solution: Hi Sarah. If you can hear the person from the other line but they can’t hear you, that means that the issue is not on the phone’s loudspeaker but on the microphone. To check, try to record your own voice by using any voice recorder app. If it won’t register your voice either, you must try to factory reset the phone first. If that won’t fix the problem, have it repaired or replaced.

To factory reset your S6, follow these steps:

  1. Create a backup of your important files such as photos, videos, contacts etc. You can use Smart Switch for this task.
  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 Vol 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.

Problem 8: Galaxy S6 has no signal reception after camera was replaced

Hi. I’m doing a favor for my fiance’s sister. She wanted her camera replaced, which was no problem. Everything was carefully disassembled and resembled and everything works great EXCEPT cell reception. There is absolutely zero, when there was 4 before I did the process. Bluetooth and wifi works perfectly but no bars. I noticed on the S6 edge that the cell antenna is welded to the midframe behind the power button. I have been troubleshooting it WITHOUT asking her for the SIM card because I understand there should be some reception for emergency calls. I did pop in the card when I saw her on father’s day but still nothing. My question is, should I be having the SIM card in and mess with the LTE as global modes or did I somehow damage the cell antenna and need a new midframe.

Of course I factory reset it and even upgraded to Nougat. Nothing. Again, there were bars before I started the process with no SIM installed. I’m wondering if when I disconnected the battery cable if it changed something. The IMEI shows in settings as well as the baseband. I’m wondering if you ever came across this and have any input.

This email is as longshot. I tried to submit this via your online form but my phone just wouldn’t cooperate with the drop down boxes. I’ve had this thing apart 7 or 8 times making sure everything it right.. I’m out of ideas.

I’m just hoping you read this, asking for a favor from one stranger to another. Should I get the SIM card from her and try to mess with it, even though there were no bars before the repair even with no SIM? I don’t expect a reply, this is a longshot.

Very best. — Dan

Solution: Hi Dan. There’s no way for us to know exactly what is the cause of the problem but it’s very likely that you may have damaged the motherboard or the antenna during repair. Unfortunately, there’s no direct way to check that. Even a trained Samsung technician will be unable to know where the issue lies by just telling him the things you’re telling us here. Let a professional check the hardware physically so a thorough check on the antenna and networking chip can be performed.

Problem 9: Galaxy S6 not charging, won’t power on

Hi Harold! I saw your good advice and reviews on your webpage, and thought that you might be able to help me with my problem. 😊

I have a Samsung Galaxy S6 edge plus that won’t charge. When I put it in the charger only the image of the battery with the little lightning sign in it, the percentage does not show up as usual. At first this image kind of blinked with an interval of 3 to 3 seconds, now it’s still. If I plug it in to the computer neither the computer, nor the phone does respond, the phone does not respond to pushing any of the buttons.

The battery has been drained faster lately. And it has sometimes had some problems charging, like that it’s been zero percent charged after hours, but then later it has worked fine again.

It would be awesome if you could diagnose my phone and maybe help me fix it.

Thank you in advance 😊 Best Regards. — Silje

Solution: Hi Silje. Please see our suggestion for P_amin1 above.

Problem 10: Galaxy S6 screen turns on but phone shuts down shortly after turning it on

Hello! Your website is a great help! 

I have an issue with my Galaxy S6. I have read through the troubleshooting answers that seem to fit my phone with no avail. My phone slipped off a curb onto the road (not even half a foot drop) and hit the top left corner in an Otter Box case. It stopped working and would not turn on. I took it to get checked out and they thought it was the screen. 3 weeks later I went to get the screen replaced and the new guy said it turned on when plugged in and it was at 88%, the screen works, no pixels damaged so it’s not the screen. When I took it home and plugged it in, it worked for the first 3 times for about 30 seconds each before switching off. Then it started just turning on and showing charging for 1 second before going dead.

Do you have any recommendations that could be this issue? I attempted to push the power button multiple times per one of your suggestions but it doesn’t change anything.

Thank you so much for you assistance. — Justine

Solution: Hi Justine. If the screen appears to work fine for a few moments before the phone turns off again (no LED lights, no vibrations, no sounds), then it mustn’t be a screen problem at all. There must be a much more serious issue with the motherboard causing the problem. You must either return the phone to the shop so a more thorough examination and repair can be done, or simply have the device replaced. An issue like this can’t be fixed on your level.

Problem 11: Galaxy S6 keeps on boot looping

Hi Sir. I have read your post on the bootloop problem of Samsung Galaxy S6 edge (SM-G925F), I would appreciate it very much if you help me.

The problem is that yesterday I was watching videos on Youtube and suddenly I rebooted the mobile that had the mobile rooted for 6 months and had not occurred any problem. and is that it restarted and when it was turned on it was restarted so constantly then I tried to put custom firmware to see if it fixes the problem or not and it turns out that when I wanted to try to put a custom firmware through odin 3.12.3 gave me a bug in Hidden.img at first. Then my cell was blocked by a If you say it with this message “an error has occurred while updating the device software. Use the emergency function with the smart switch”

After that when I use smart switch I left my cell phone with no data and returned to put firm factory and also made hard reset after all that when I turned on the phone and at the time of registering at the beginning of the phone was constantly restarting. — Ali

Solution: Hi Ali. You must try to flash the bootloader of the device to stock. This is the only effective software solution for a problem like this. We assume of course that there’s no hardware issue involved. Kindly refer to our suggestion for Jhade above for some guidance. If you won’t be able to fix the problem by flashing the bootloader, your next move is to flash the firmware. If both won’t help at all, get a new phone.

 


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