Galaxy s6, boot loop from HELL - Galaxy S6 Q&A, Help & Troubleshooting

Please help me! I own a galaxy s6 (international model, official, not rooted) which is stuck in a boot loop from hell. The led is white (not the usual "boot-up blue") and won't change colour or even turn off. It was the last straw a few hours ago when it randomly restarted, got stuck halfway through the Samsung logo and started making the loudest noise I've ever heard it produce. It was NOT a vibration. Ever since then, it has just been stuck and keeps restarting. When it does get past the "Samsung Galaxy S6" screen it just says 'no command' with the android lying on its back. I'm at a complete and utter loss. It's actually done this a few times this week, but I've always been able to at least boot it into safe mode and uninstall snapchat - which I think is the cause of all this. I can't power off the device, and even when the battery drains completely, the same 'no command' screen appears as soon as it's plugged in. I can't boot it in recovery mode as I can't get it to switch off. I think it may be battery related or even motherboard related. I can't even seem to bypass the 'no command screen. It's just sitting on my floor, charging, overheating and looking all smug. Frankly, I'm pretty damn close to hurling it out of my window.
Also, does anyone know WHY the led is sometimes white or yellow during a boot loop on newer Samsung Phones?

Put the phone in download mode by holding Power + Home + Volume Down buttons. Plug in to Odin and Flash Official Firmware or use SmartSwitch

UltraGamerHD said:
Put the phone in download mode by holding Power + Home + Volume Down buttons. Plug in to Odin and Flash Official Firmware or use SmartSwitch
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Click to collapse
Thanks but I've tried this several times. The device seems to be completely unresponsive to all commands except a force restart (power key and volume down). I can't put it in download mode or even power it off

have u tried using smart switch emergency firmware recovery? power key and volume down should force it to power down, than enter download mode vol down + home + power key.

HowJesNo said:
have u tried using smart switch emergency firmware recovery? power key and volume down should force it to power down, than enter download mode vol down + home + power key.
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Click to collapse
Whenever I use this combination of keys it just restarts and it doesn't even show up on Smart Switch when connected to my mac

if you are not be able to take your phone to download mode then repair center is the only solution.

qasim799 said:
if you are not be able to take your phone to download mode then repair center is the only solution.
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Click to collapse
Yeah. It looks like I have no other choice

Related

[Q] Can't get my tablet to boot into Recovery/Download mode

Hello,
Hopefully I'm in the right place for posting something that seems to be this simple. The start of my problem is that the tablet will not stay off. When I try to shut it down, it shuts down normally, but then it starts to display the battery icons like it is plugged in and charging, but it is not connected to power. I can leave it in sleep mode and the charging thing will not happen, but turning it off displays the power charging screen and it further drains the battery. I figured something is screwy with the system so I would try to reset it to factory defaults. Now I have the other problem...
So I am trying to restore to factory defaults and I know to do this I have to start from off and hold down the up volume and the power button for a few seconds and as soon as the tablet starts to turn on release the power button but not the volume up button, and it should get me into the recovery/download screen. Unfortunately that is not working. I hold down the Volume up button and briefly hold the power button (3 or 4 sec or so) and I see the Samsung Galaxy Tab 2 7.0 startup screen and let go of the power button (still holding the Volume up button). Next I see the spinning blue circle around the Samsung logo and the tablet reboots. I can release the volume up button at any time after that and the results are the same, it just reboots. It's like it isn't seeing the volume button.
I have tried using the volume Down button instead of the volume up button but that too is just like I am not pushing any volume button at all. Once the tablet is on, the volume buttons function normally, so the switches are good.
Since I got this tablet used could someone have loaded something onto it preventing it from being rebooted into recovery/download mode? Maybe some custom firmware or something. I'm at a loss as to where to go next. Since I can't boot into recovery/download mode I can't get into Odin.
Any help is appreciated.
Rick
Hi. The tablet isn't rooted, is it? Can you try to boot it into download or recovery with the "quick boot" app from google play?
I don't think it is rooted, but I can't tell for sure since I can't connect to the Google play store. I tried downloading using the web browser, but my battery dies before if finished. I'll try swapping batteries and see what I can figure out. Thanks for the idea.
Rick
No, the device is not rooted. it also is not charging and I had a heck of a time getting it to connect to the play store. I think I need to try and reload the OS, but without being able to get into ODIN, or reboot into recovery, I'm not sure how to proceed. any suggestions?
When the battery thing appears do the power- volume up thing and hold it until the gtab logo appears.
I've tried that, and it just boots up as if I wasn't holding the volume button at all. Once the tab is booted, the volume buttons work as normal. I've even tried putting a different power/Volume/IR unit in (from a working tab with a broken screen) and that didn't make a difference.
I left the tablet all weekend and it just keeps showing that it is charging when not plugged in. By Monday the battery was 100% dead. It won't even charge. If I replace the battery with a battery from a working unit I'b back in the same place where I can't get it to boot to Recovery/download.

S8 Plus Recovery Auto Boot

Hi guys, this is my very first thread so here goes nothing,
I recently damaged my S8 + power button and it is no longer operational, however i have been able to boot to download mode and reset device after it going flat and not turning back on and staying in a bootloop while plugged in. Any way so my new problem is that it went flat again and i plugged it into charge and it automatically boots into recovery mode and when i manage to get it into download mode pressing volume up or down does not work. Any way to fix this and get my phone back up and running?
I can definitely see that being a ***** because you need the power button in sequence with Bixby and a vol button to get to download mode or recovery. Id prob root the phone and install quick shortcuts app that gives you on/off/reboot/restart/ options it might help you. But replacing the power button is a simple procedure and I'm sure it's very cheap to. Id fix that button and problem solved.

Galaxy S6 - Cannot proceed past download mode warning screen

I have a Galaxy S6 with a faulty power button.
I took it to a Samsung Repair Centre.
After "diagnosing" the problem (which I had to pay for), I was told that the faulty power button was due to "liquid damage" (it has never been in water everything else works fine).
They said it would cost £180 to repair and would require they replace the whole motherboard.
I refused as I cannot afford that repair and would rather consult a third party shop or purchase a brand new phone.
Unfortunately, the state I received the phone back in unusable.
Before the phone was sent in, it was at least in a state where I could at least use it (providing I kept it charged and did not power it off).
Now its just stuck in a recovery mode => restart => no command (boot loop), and I cannot select an option from the recovery mode screen because the power button does not work.
I planned to flash the stock firmware to try in order to get it out of this loop, and I can get it to boot to download mode as the volume buttons and home button work fine.
However, now when I'm at the cyan warning screen it prompts me for volume up to continue.
I press volume up and nothing happens. I know that these buttons work for a fact as in recovery mode I can navigate up and down.
Any ideas whats going on? or what I should try next?
Videos of the issue
(Tinfoil theory: Did they purposefully lock down download mode after inspecting it?)
If you have time, continuously keep pressing volume up and power until it gets you into Odin. Best of luck.
We're on slightly different devices, but mine has the same defect. The power button failed overnight, it worked to start the device but afterwards, the power button became stuck in the pressed state and I couldn't lock the device (not mechanically, it is still clicky). The volume down button still worked (I don't have to hold power to force a restart because it's stuck in the pressed state), I wanted to take a look at the knox status in the download mode, it didn't respond to volume up, this means that it's dependent on not having power pressed. I somehow got the restart confirmation to show with the power button, twice, so it's not completely defective. The volume down button cycled through being stuck and non-clicky, working normally, and being stuck while being mostly clicky, like the power button, though it doesn't seem to be stuck in the pressed state. It's likely because I kept pushing Volume Down for hours in a terminal emulator. Today, it takes 5 mins of torturing Volume Down to restart the device. Eventually, it might fail completely. This device seems to be able to ignore volume up / down if those buttons are stuck and work almost completely normally.

Galaxy S6 G920F stuck on booting screen and won't turn off

Greetings!
I'm sorry if this is a stupid question, but I'm having a hard time with this. I was carrying my galaxy S6 on my pocket, and when I got it out I saw that it was stuck on this screen: https:// i.imgur.com/DnddzrR.png
The phone won't turn off. I've tried to hold the power button for a long time, but nothing happens. The only two combinations that work are vol- & power (which reboots the phone, but that's it) and vol- & power & home, which puts it into download mode.
I can't get into the recovery, no matter how I try. Since the only thing I can do is go into download mode, I've tried downloading the stock firmware in sammobile and flashing it with odin, and while the flashing went well and there wasn't any error, the phone is still stuck in the same screen.
I'm not sure what to do or what happened. Please ask me for any info that might be relevant or help.
Press vol up down and lock button and hold all 3 together wait for turn off then try to boot in recovery if it restarts it self then do it again but then after its turn off just hold vol up
I've tried that a lot of times, but no matter for how long do I press the buttons or with buttons do I press, it's still stuck in that screen. Seriously, the only two things that work are download mode and soft reboot.

I updated TWRP for S10 - on my S10E! - FIXED!

I did not pay attention and 'upgraded' my working TWRP for S10e to TWRP for S10. No 'e'
Now I'm stuck at the very first boot screen 'Samsung Galaxy S10e, Secured by Knox'. After 6 sec the screen go black and then nothing more. No charging icon.
I'm not able turn off the phone for entering download mode with 'Vol down + Bixby' and USB. Any tip for this?
'Vol down + Power' for 7 sec reboots directly back to the same screen. I have not found any other boot-combinations that works.
The phone does not show up in Win.
Any tip? Hard bricked?
superlutin said:
I did not pay attention and 'upgraded' my working TWRP for S10e to TWRP for S10. No 'e'
Now I'm stuck at the very first boot screen 'Samsung Galaxy S10e, Secured by Knox'. After 4-6 sec the screen go black and then nothing more. No charging icon.
I'm not able turn off the phone for entering download mode with 'Vol down + Bixby' and USB. Any tip for this?
'Vol down + Power' for 7 sec reboots directly back to the same screen. I have not found any other boot-combinations that works.
The phone does not show up in Win.
Any tip? Hard bricked?
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Click to collapse
Press and hold volume down, bixby, and power for 10-20 seconds. That should get you to download mode.
klabit87 said:
Press and hold volume down, bixby, and power for 10-20 seconds. That should get you to download mode.
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Thank you @klabit87, but no change. Adding Bixby to the boot prosess did not change anything. It just reboots to the same very first boot screen.
I'll try to drain my battery to power it off.
superlutin said:
Thank you @klabit87, but no change. Adding Bixby to the boot prosess did not change anything. It just reboots to the same very first boot screen.
I'll try to drain my battery to power it off.
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Click to collapse
Then try without the bixby button. You should be able to force it to bit into download mode.
BTW, on S10 series the classic way to enter Download mode is
-power off
-Vol down + Bixby, then add USB. Connecting USB boots the phone.
Voila, Download mode. Normally.
But I'm even not able to turn off...
I've been able to force it to boot to download by using the key combinations before. It's definitely not hard bricked. It can be recovered.. Just need to get to download mode.
Thank you klabit87, thats kind of good news! Now I just wonder how... I've drained the battery to be able to start from 'off'
(Now I do not know if it even charges? No indication)
MIRACLES!
Battery drained. Bixby + Vol down. Then connected USB (from cherger) and DOWNLOAD MODE!!!
But no connection when connecting to Win. (Yes, drivers installed) Can it be a bad cable? (It's not the original one, and when charging I sometimes got a little warning)
superlutin said:
MIRACLES!
Battery drained. Bixby + Vol down. Then connected USB (from cherger) and DOWNLOAD MODE!!!
But no connection when connecting to Win. (Yes, drivers installed) Can it be a bad cable? (It's not the original one, and when charging I sometimes got a little warning)
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Click to collapse
Yeah you'll want to get a good quality cable for sure. But seems like things will be sorted shortly
I lost 'Download Mode' before I got new cable and had to discharge again. New cabel worked as charm, Odin recognized it at once, correct TWRP installed, rebooted to Recovery, installed kernel & Magisk, and everything was back to normal!
Thank you klabit87 for encouraging me!
That's good news! Glad you got it worked out.

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