Samsung J6+ bootloop on download screen - Samsung Galaxy J6+ Questions & Answers

Hey brothers, I recently tried to bypass my FRP on my Samsung J6+ by going into download and used a PC app to bypass, but during the download I pulled out the USB cable and disrupted the download. After the disruption my phone showed the words "An error has occurred while updating the device software. Use the Emergency recovery function in the Smart Switch PC software," it showed that screen until the battery died. I plugged in the charger and the same error message shows on the screen for a second and then the screen goes blank, it repeats non stop unless I remove the charger or USB cable. I cannot turn it on or off and cannot access the recovery area to factory reset.
Any pointers or tips on how to fix this?

Related

NT7100 won't boot, won't charge, can't recover

I have a Note 7100 that suddenly decided to shut down and when I turn it back on, the phone is stuck in the "Samsung Note NT7100" logo screen. When I plug the charger in, the phone won't charge. When I turn the phone on while it's plugged in, it just shows the battery screen with the circle in the middle not moving.
And so, the phone is brought to me where I tried to do a factory reset/data wipe using volume up, home button, and power button. Upon trying to reset, I get multiple lines indicating E:\ fail to mount, E:\ fail to load, etc.
I then try to use Odin to flash another ROM but my computer is not detecting the phone. And yes, I have Samsung driver installed. The only thing I get is Windows saying it has found a new hardware named Samsung_Android and searches for updates but never finds one.
So the phone won't boot, won't charge, can't be detected by my computer. Is there a way to fix this? What caused the phone to shut off and the E:\ fail errors is unknown at this point.
eMMC chip got corrupted, change it at the nearest service center.
It's not completely dead I guess.
Yesterday, I went into odin download mode on the phone and plug the cable in from my computer. Opened odin and it detected the phone.
I tried to flash some firmware but it failed.
In odin download mode, at the top left corner of the screen, it's still giving me information of the phone.
Does this mean the phone is recoverable or is eMMC replaceable still the only solution?
It is not completely dead, it's just that storage memory is dead, unfortunately.

Bricked my LGG3

Hello everyone,
so here's my problem:
Wednesday morning i took my phone out of my pocket and had a blackscreen. I tried to restart it and took out the batterie but i always got stuck in the LG Logo or a bootloop. Since i had TWRP and lineage OS installed, i tried to go into the twrp menu with the factory mode (power button + volume down) but after the "double yes" i always got a blackscreen.
So i went into the internet to fix it myself. I tried the "LG Flash Tool 2014" with the kdz. reset & the other Flash tool with the tot. reset. Both didnt recognize my phone. At this point, the only thing that worked was the download mode BUT not the recovery mode that usually comes after it. It just showed the download mode for some seconds and then a black screen. Later i noticed that my phone showed as a "qualcomm device" in the device manager, and the internet said that this was bad. So i used "Board diag" and "Smart boot diag" to fix it, but at the point where the device should have restarted, and the download mode should have worked WITH the recovery mode, i always ONLY had the 6 second download mode. After messing a bit with "Board Diag" i even got it to show up as LGE AndroidNet USB Serial Port in the device manager, which apparently was even more bad and only way to go back to qualcomm was to shorten the pins which i did. And it worked BUT now i was back with the qualcomm stuff.
So as you can see, i've prety much run i circles since wednesday... Iam now at a point where 3 different thingscan happen when I try to put my LG into download mode (volume up + usb cable):
1. Its recognized as a unknown device which is constantly connecting and diconnecting, so iam assuming my phone is bootlooping with a black screen.
2. The download mode icon shows on my phone and disappears after some seconds but my pc fails to recognize it.
3. Nothing happens and the screen stays black
When i only connect the usb cable, it shows a stuck charging icon for some seconds and then goes black. Connecting without a battery shows the "missing battery icon". I tried with 2 pc's, both having the LG mobile driver 4.2 and the qualcomm driver installed AND beeing in testmode. Both don't recognize the device. I also tried 2 batteries on my phone but it changes nothing.
I have a D855. And i know that my situation is pretty f*cked but maybe someone i able to help me anyway. Thanks alot.

Samsung Galaxy J6+ flashing crash - Boot loop endlessly

Hello,
I have a problem with my phone : Samsung J6+ (SM-J610FN/DS)
I have crached a flashing Rom with Odin and I'm sure it is because of that my phone can't start by pressing the power button.
Now my phone has the message : An error has occurred while updating the device software. Use the emergency recovery function in the smart switch PC software ...
The thing is that it is rebooting and looping without end every 2 seconds on that green screen with that message ...
Only thing I can do is, with the USB cable connected, when the green screen is up, I can push VOL down + VOL up and I can go in download mode.... Then I can push on VOL up but right after the phone reboot in loop again and again ...
Another thing is that without USB cable connected I can't start the phone.
What can I do ?
First thing, I can't start my phone if it's not connected with the USB cable.
Second thing, when I connect my phone with the USB cable, it starts automaticaly even if I didn't push the power button and it's looping and blinking and rebooting endlessly.
Also the phone don't seems to know how charging himself when USB cable connected.
Is it a Bricked samsung phone ?
If it is, how unbrick it ?
Bro, its just discharged when you flashed it
Help Please
User said:
Bro, its just discharged when you flashed it
Click to expand...
Click to collapse
I am getting same issue but each time its on charge it reboots and I can see the screen getting laggier ! And its 3 hour in charge and It still persisits. So should I charge it overnight while its still in boot loop?
---------- Post added at 06:40 PM ---------- Previous post was at 06:35 PM ----------
iddik said:
Hello,
I have a problem with my phone : Samsung J6+ (SM-J610FN/DS)
I have crached a flashing Rom with Odin and I'm sure it is because of that my phone can't start by pressing the power button.
Now my phone has the message : An error has occurred while updating the device software. Use the emergency recovery function in the smart switch PC software ...
The thing is that it is rebooting and looping without end every 2 seconds on that green screen with that message ...
Only thing I can do is, with the USB cable connected, when the green screen is up, I can push VOL down + VOL up and I can go in download mode.... Then I can push on VOL up but right after the phone reboot in loop again and again ...
Another thing is that without USB cable connected I can't start the phone.
What can I do ?
First thing, I can't start my phone if it's not connected with the USB cable.
Second thing, when I connect my phone with the USB cable, it starts automaticaly even if I didn't push the power button and it's looping and blinking and rebooting endlessly.
Also the phone don't seems to know how charging himself when USB cable connected.
Is it a Bricked samsung phone ?
If it is, how unbrick it ?
Click to expand...
Click to collapse
Did you fix the issue? please Help me if you did. I am getting same issue right now on my moms fone same brand j610f please do help.
Hello, I got the same problem. This happen because the battery is empty and the only way to charge again is open the phone and extract the battery to charged it with a external power supply
I recently tried to install a custom ROM in my samsung j6+ but halfway through it my PC turned off.
Then the problem starts i decided to reboot my phone but it shows this error "No command" " #Reboot recovery cause is [[check_bootmode]RebootRecoveryWithKey]#
Block-based OTA
Supported API: 3
# MANUAL MODE v1.0.0#
E:Failed to mount / cache: Invalid argument
The error message keeps appearing for just a fraction of a second then disappear and appear again
I tried to go to recovery mode but no luck i cant get to it
I drained the battery to turn off the device then go download mode but after get to it, it also keep restarting
help me please. thank you
iddik said:
Hello,
I have a problem with my phone : Samsung J6+ (SM-J610FN/DS)
I have crached a flashing Rom with Odin and I'm sure it is because of that my phone can't start by pressing the power button.
Now my phone has the message : An error has occurred while updating the device software. Use the emergency recovery function in the smart switch PC software ...
The thing is that it is rebooting and looping without end every 2 seconds on that green screen with that message ...
Only thing I can do is, with the USB cable connected, when the green screen is up, I can push VOL down + VOL up and I can go in download mode.... Then I can push on VOL up but right after the phone reboot in loop again and again ...
Another thing is that without USB cable connected I can't start the phone.
What can I do ?
First thing, I can't start my phone if it's not connected with the USB cable.
Second thing, when I connect my phone with the USB cable, it starts automaticaly even if I didn't push the power button and it's looping and blinking and rebooting endlessly.
Also the phone don't seems to know how charging himself when USB cable connected.
Is it a Bricked samsung phone ?
If it is, how unbrick it ?
Click to expand...
Click to collapse
Have you got the issue fixed on you phone?
Since you can reach download mode - why not doing a clean flash with the correct firmware?

My phone doesn't turn on and keeps restarting when I plug it into USB

Hey there, Recently i tried to root my Samsung J6+ using magisk and TWRP recovery but it failed, when i open up the phone it just tells me that i can’t use samsung pass because my phone has been rooted but when i check using root checker there was no root, i tried flashing a new software for my phone but when i was flashing using odin my phone turned off and kept rebooting on a green screen that tells me “An error occured while installing software update”
so now my phone doesn’t turn on but when i plug it into my laptop or charger it just keeps restarting on that screen
when i try to go to download mode without pressing continue it just stays but when i press continue it keeps restarting again and again, Hopefully someone could help me fix it, Thanks.

Cannot boot into download mode

Hi everybody, yesterday I was playing with my old Galaxy A50 trying to install a custom rom unsuccessfully.
I repeated the procedure three times installing TWRP and then Havoc OS but every time I tried to reboot from TWRP to OS I was stuck at the warning screen saying that the phone bootloader was unlocked and booting into download mode to reflash TWRP was blocked as it showed "only official binaries can be installed" (yes I installed Samsung disabler but still).
Still I was able to get the phone into download mode and reinstall the stock firmware as it seemed to be the only way to install and boot TWRP.
But at 4th time repeating the process I got frustrated, shut down the computer and left the phone on the warning screen still connected to computer usb cable.
Then I got back and noticed the phone was off as the battery died.
Indeed the battery died, so I put the phone in charging and after it reached 100% I tried to boot into download mode again to reflash stock firmware.
But here's the strange thing, I cannot boot into download mode anymore as pressing vol up+vol down while connecting usb cable, shows the lightning charge logo for 5 secs and then reboots infinitely with the same pattern.
If I force reboot by pressing vol down+power it shows the Samsung logo with the warning below it, then skips to another screen with another warning suggesting to press power button to continue (which does nothing) and after a while reboots to samsung logo.
So it doesn't seem it is bricked, it looks more like a battery controller fault, so I tried to detach the battery flex from the board, hoping it would reset the controller but it's still the same.
Also I tried with the flex detached and still no download mode is possible.
Was the download mode somehow erased? (if it's even possible considering it's the motherboard firmware)
If you need photos, videos or even a call on zoom, Skype, webex I would be glad to show you
same i got the same problem i can't find nothing for this when i press volume up and down and put the otg cable its simply charges but it gets stuck on the logo image there's no way to fix this but the only way is to open the phone,change the emmc and put one from samsung,close the phone flash a custom rom and you are done.
If you can enter recovery, do it. As soon as your phone gets into it, select the power off variant and then try to enter the download mode.
It seems like you did not unlock the bootloader, did you?
The bootloader Is unlocked i can't enter in the recovery because the phone locks on charging logo and its fully charged but when i try without charger It doesn't start.

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