Database Develop

[Q] Screen Blacks Out After Start Up Screen

I'll preface this thread by saying that I've look all over to help me remedy my problem, but I have not found anything that has resolved my issue. I've tried all the combinations of the the manual buttons to bootloader mode and download mode, and it will not work as my firmware is not the current Bell hardware burron fix (I have the old JH2 firmware, w/o the updated SPL)
What prompted this is that I was trying to reinstall the default android clock app that I deleted on accident. I had downloaded some default apps that were pulled from the Samsung Epic 4G (can't post URLs properly due to my user limitations, thread here: forum.xda-developers.com/showthread.php?t=773142) thinking that the apks in there are the same. I tried installing but that failed. That should have been a red flag, but I wanted to have the clock app back. So what I did next is what I regret. I copied and pasted the AlarmClock.apk and AlarmClock.odex to the systems\app folder using Root Explorer. It wasn't until I rebooted my phone that this problem occurred.
I know that my phone isn't completely bricked as I can still see the battery icon when I plug it in to charge...and the phone does load the start up screen, but it won't get past that and will black out and the capacitive LED buttons (menu and back) will stay lit.
I've been diligent in backing up my information on my home computer (I'm at work now), so data loss is no problem for me. What I would really want is to fix this. My last resort is to return tot the store and get an exchange, which I really don't want to do.
Help is greatly appreciated.

you cannot install/copy (which have .odex file) apps from other firmware versions becuase the .odex is encrypted for a particular version.. if you pasted to system/app and it is a critical app from wrong version you will hang/freeze phone.. try to get into download mode and reflash the firmware..

Do you have access to the phone over adb?
Adb reboot download?
Sent from my GT-I9000 using XDA App

I've read about the ADB Reboot Recovery, but it mentions that my phone has to be on USB debugging mode to work, which I believe is not on =/
Is there a link where I can download to try anyways? I've searched fro it, but I'm not sure if what i searched is the right thing.
I cannot get the download mode to work as the combinations I've been using do not even register...the phone just keeps looping the Samsung Galaxy i9000M screen when I hold the buttons...like it's in perpetual reboot mode. Like I stated earlier, the hardware buttons do not seem to work. I have the old JH2 firmware that was updated from Keis that does not have the hardware button fix.

xlittle_lambx said:
I've read about the ADB Reboot Recovery, but it mentions that my phone has to be on USB debugging mode to work, which I believe is not on =/
Is there a link where I can download to try anyways? I've searched fro it, but I'm not sure if what i searched is the right thing.
I cannot get the download mode to work as the combinations I've been using do not even register...the phone just keeps looping the Samsung Galaxy i9000M screen when I hold the buttons...like it's in perpetual reboot mode. Like I stated earlier, the hardware buttons do not seem to work. I have the old JH2 firmware that was updated from Keis that does not have the hardware button fix.
Click to expand...
Click to collapse
this should work if you take battery out hold down all three buttons and when you first see logo release power button for 1 sec. then repress.
also try it with and without usb plugged in.

For adb u need the android software development kit (sdk). Its available at developers.android.com. Simply run sdksetup and choose sdk tools.
Sent from my GT-I9000 using XDA App

I gave adb (great tool btw) a try, got it to run in command prompt, but I get an error saying device not found. Unfortunately, I did not have USB debugging mode on prior to my phone's screen blacking out on me. I should mention that I have a Bell Mobility Galaxy S I9000M, and hardware button attempts for any mode (volume up and/or down + home + power on, in a multitude of combinations, e.g. USB connected/disconnected) , be it recovery or download, have been futile as that method is not in the firmware I have one my phone. I'll have to use my last resort and get an exchange for the phone at the store I got it from. With any luck, hopefully someone who works there will have the magic touch and revive my phone. *crosses fingers*
Thanks for all the helpful suggestions. I'll keep them in mind to not let this happen again. Thank goodness for my constant backups instilled in me during my Windows Mobile days.

When the phone is ON firmly press volume up + home + power. It will reboot. Keep holding them! Wait a half a second after the gti9000 logo appears then let go of the power button. Keep holding volume up and home! This should boot you into recovery. Try it a few times. I found it is all in the timing of letting go of the power button.
Hope this helps!
Sent from my GT-I9000M using XDA App

Also, I had an i9000 in your state and even after I had it previously working with Android SDK and the Samsung USB driver (essential in Windows but not included the SDK) but after I messed up the ROM (trying to lagfix it) it stopped responding to adb commands on either OSX or Windows. Boot recovery from the aforementioned hotkey combination seemed to be the only way to fix it. But I am a n00b. I'm only passing on what I experienced.
Cheers,
Aaron
Sent from my GT-I9000M using XDA App

Had a similar problem after flashing a new rom, managed to egt past it by reflashing using Odin.

One of my friends has just given me his i9000 in the same state to see if I can fix it, he has been quoted $300NZ to repair!
He says he did it trying to flash a rom after successful root.
I get the galaxy splash screen but no matter how i hold and release the aforementioned keys I just dont get anything all.
ADB returns no device found and not seen by ODIN.
Tried many battery pulls, reboot + three keys and releasing/releasing-reapplying power button at various times during the splash screen. And with/without USB connected.
Pretty sure the device did have USB debugging enabled before this.
I am watching this thread closely, if I fix it I get a box of beer!

Will not go in download mode

I was at 2.1.1 Cognition and for some stupid reason went into ROM manager and tried to apply my original backup I did when I was just Rooted and on the stock software from ATT.
It got to the data partion and couldnt access it, rebooted and now I get force close errors when it boots. I can virtually do nothing cause the errors just come one after another.
I tried to go into download mode so I could use ODIN and start over and it will NOT go in download mode. I am holding the vol up and down and then pressing power. I am holding all three until the screen goes black twice then letting go of the power. It just goes back to the little circle in the middle meaning its charging.
I am hosed....please help me get this fixed!

The force closes comes from within android...its boots up but is unusable.

gocats7 said:
I was at 2.1.1 Cognition and for some stupid reason went into ROM manager and tried to apply my original backup I did when I was just Rooted and on the stock software from ATT.
It got to the data partion and couldnt access it, rebooted and now I get force close errors when it boots. I can virtually do nothing cause the errors just come one after another.
I tried to go into download mode so I could use ODIN and start over and it will NOT go in download mode. I am holding the vol up and down and then pressing power. I am holding all three until the screen goes black twice then letting go of the power. It just goes back to the little circle in the middle meaning its charging.
I am hosed....please help me get this fixed!
Click to expand...
Click to collapse
First of all, for God's sake please post on the RIGHT AREA. This is not develpoment....the mods are tired of saying the same thing and I dont see why is this so hard to understand.
Turn the phone off then Hold Vol Up and Down then plug the usb while holding those.
That is the way mine goes into download mode.

My bad, feel free to move it.
As I posted, I am doing that and cant get into download mode....please help and again sorry for posting to the wrong area. Im kinda freaking out.

Appologies again, I didnt read your post well.
I tried it the way you stated as well and it goes to the charging screen only.
When I post in the future I will pay more attention to where I post, I understand the frustration.

I cant go into recovery or download either one. Am I bricked? I could really, really use some help. I know I screwed it up and it was a great lession...I just dont want it to be a costly one.

1st question - were you able to get into either download mode or recovery mode via the button combos before you installed cognition?
2nd - if you let it boot up will it boot all the way to the lock screen?

1) Yes I was able to get into download mode and recovery mode before I screwed up.
2) Yes, I can get all the way to the lock screen and if i catch it just right I can navigate the os but it is almost impossible.
The backup from within ROM Manager I applied was back to the original OS that came on the phone that was rooted and had rom manager on it.
I would bet that whatever files allow you to get into download mode, etc are gone or something along those lines.
I am about to freak out.

have you tried pulling your battery, sim card, and any external sd card, let the phone set for a minute, then put back only the battery and then try either the recovery or download button combo?

I am able to get all the way to about phone and here is what it says. I have a combination of mess....man I screwed up royally.
Build Number
ECLAIR
Kernel Verson
2.6.29
[email protected] #237
BaseBand Version
I897UCJH7
Firmware Version
2.1 -Update 1
Again, I was on 2.1.2 Cognition and went through ROM manager and applied a backup which was a snapshot of my phone the day I got it, rooted it, and added ROM Manager. Which isnt there now.
I know what I did was really stupid, I know what I should have done. I would just really appreciate any help getting this back or getting it to a point that I could send it back and not get charged for it. I got it from amazon. Do you even think they would look at the file system? I am within my 30 day window.

Yes, it boots up normally meaning not into download or recovery mode. The specific errors I am getting in the os are as follows:
The process android.process.media has stopped unexpectedly and i have to click force close. I do get a few others about browser, phone, gallery, calendar, but in the end the media one is the one that comes up over and over. Since I can get this far surely there is a way to get me back to a workable state that I can fix it.
If not, I wonder if I could connect via usb and try to wipe every file off the darn thing and send it back? Obviously I would like to avoid that but I am running out of options and frankly this is over my head.

I dont think your trying the download mode correctly with the battery out. You need to take your battery out, put the battery back into the phone, hold down BOTH the volume up and down keys at the same time by pushing in the middle of the keys and then plug the usb into your phone. This works every time.

I can get into the phones Hard drive via USB and see the folders. I see .img files within clockwork that were suppose to have applied, not that it it matters.
I wonder if I could delete anything that isnt part of the stock image and send it back and just not be an idiot again? I really dont want to do that but I dont know what to do.

I found this log file on the device and the last line was the error that I got right before it rebooted and I was hosed:
Can't mount /data/!
Failure at line 2:
restore_rom /sdcard/clockworkmod/backup/original boot system data cache sd-ext

aNdroidnut I tried it exactly as described and all I get is the lines in a circle stating that its charging then the battery charging. I have tired it the way you said and the way I had done it all the other times.
I think the problem is i have an incomplete OS since it failed in the restore process within ROM Manager because I never should have done it that way.

If you were able to get into download via button combo before you should be able to do it now with after pulling your battery, sim card and external sd card as I mentioned before.
gocats7 said:
I can get into the phones Hard drive via USB and see the folders. I see .img files within clockwork that were suppose to have applied, not that it it matters.
I wonder if I could delete anything that isnt part of the stock image and send it back and just not be an idiot again? I really dont want to do that but I dont know what to do.
Click to expand...
Click to collapse
If you can get to this point you are not bricked and can recover. I am guessing you are connected to your computer in usb debuggin mode -- this is good as there is another way to get into download mode.
use oden3 one click here http://forum.xda-developers.com/showthread.php?t=731989
use download method one in the odin3 instructions if you can get connected to your computer in usb debugging mode. use download method 3 if you can get into download mode via the button combo after a battery pull

i think you failed at reading the warning:
disable the lagfix before trying to use clockwork

Are you trying this with Odin already open?
Sent from my SAMSUNG-SGH-I897 using XDA App

When I try what everybody else explains I too just go back to the loading circle. Then it just goes right back to my charging screen. I figured this method out by mere chance one night when tinkering. I haven't seen it posted anywhere, so hopefully this is what you need:
1) open odin
2) pull battery, sdcard, and sim card
3) plugin usb to phone and computer(NO BATTERY YET)
4) hold down vol up and vol down(NO POWER BUTTON)
5) place battery into the phone
This works every time for me no exceptions.
Hope this helps,
S4NDM4NN

OK, I have made progress thanks to the great tools these guys have and your help!
I am shaking as I type this (yea i know its just a phone). I was able via Odin to do a master clear. It rebooted and now I get into the OS and get NO errors. It seems fine but will not go into download mode no matter what I do and I have gone into it many times in the past. I went from stock (via Odin) to Cognition several times initially to really understand the process. I never had problems getting into download or recovery.
I really think, with you guys help, Im going to be ok here. I saw where you wanted me to do method 3. I have tried method 3 many times and method 2 many times.
Since I am able to get it to boot error free I was considering unrooting, rooting, downloading ROM Manager and trying to put Cognition 2.1.2 on it via Rom Manager. BUT before I do that I want advice if you would. Obviously following what I thought got me to this point to start with.

[Q] Bricked phone? flashed SlimICS through Clockwork

hey all, i've had my captivate for about two years now, and for a while i used cognition, then for the last year i've been using firefly. firefly has completely destroyed my phone's speed and responsiveness, and i needed to clean everything off and start with a minimalist ROM. so i picked slimICS.
i'm still very hazy on the details and terminology of flashing ROMs, but i got two to work (i remember using one-click root thing in 2010, and then in 2011 i flashed firefly through clockwork) so i figured it shouldn't be a problem to install slim, which i figured would be my last ROM until next year, when i'd get a new phone.
so i backed up my stuff, tried to get into recovery mode with the 3 buttons (didn't work, unsurprising since it didn't work last year either), took out my SIM, went to CWM, and selected the flash rom option. this restarted the phone and sent it into recovery mode--except it was the stock recovery, and i couldn't select anything because i think firefly made the phone think it was the i9000 model from canada, instead of the i897 captivate, so it assumed i had a physical "ok" button on my phone (which i obviously do not). i tried the power button, the various capacitive buttons on the bottom, nothing would select any of the options, so i just took out the battery and put it back in. the phone immediately booted into the CWM recovery menu, in which i selected flash ROM, and scrolled down to choose slimICS.
i let it do its thing for a while, it jumped between the AT&T white logo screen and a screen with scrolling text for like 5-10 minutes, then just stayed on the AT&T logo screen for another ten minutes. i should have left it for maybe a half hour to be sure, but i figured the install failed. i couldn't get out of this so i pulled the batttery. and now the phone is bricked (soft i hope). if i hold the power button it goes to the AT&T white logo, flashes briefly for a half-second and goes back to the screen, then stays there indefinitely. no button combinations seem to work. does anyone have any suggestions?
thanks!

Since you backed everything up, I'd suggest flashing a stock rom via Odin or Heimdall to clean everything up before moving forwards.
You can flash a non-bootloader one to be safe, or if you want to make sure you can flash anything, flash a package with Gingerbread bootloaders.

jmtheiss said:
Since you backed everything up, I'd suggest flashing a stock rom via Odin or Heimdall to clean everything up before moving forwards.
You can flash a non-bootloader one to be safe, or if you want to make sure you can flash anything, flash a package with Gingerbread bootloaders.
Click to expand...
Click to collapse
how do i flash anything in my phone's current condition? it doesn't turn on fully. it's stuck at the white AT&T logo.

Turn it completely off (pull the battery, if necessary), then hold V+ and V-, and insert a USB cable. That should put it in download mode. Once you're there, you can flash a stock rom (There's a stick with those roms in the development section).

jmtheiss said:
Turn it completely off (pull the battery, if necessary), then hold V+ and V-, and insert a USB cable. That should put it in download mode. Once you're there, you can flash a stock rom (There's a stick with those roms in the development section).
Click to expand...
Click to collapse
doesn't work. as i mentioned in the OP, i can't get into download or recovery mode or whatever. these button combos have never ever worked with this phone. for example, holding + and - and inserting a cable with ODIN open has never done anything. that's why i used clockwork.

Sounds like u r gonna need a Jig. If u are on a pc, click on my sig link below and there u will find a link on how to make a jig and/or where to buy one.

4-2ndtwin said:
Sounds like u r gonna need a Jig. If u are on a pc, click on my sig link below and there u will find a link on how to make a jig and/or where to buy one.
Click to expand...
Click to collapse
is that guaranteed to work? or is it most likely? or is it unlikely at this point?

The jigs that I have made myself in the past and as well the professional made ones that I have purchased have always worked to get me into download mode.

The jig is worth a try, I suggest you should

if I'm reading the op right, and if memory serves firefly was an I9000 build and button combos are different. My suggestion would get the Odin kk4 one click with repartition and WITH boot loaders from 4-2ndtwin's sig links, open that and while powered off and holding just the vol- button insert the USB that should do the trick. I9000 builds use different boot loaders with different button combos. Since you will be flashing a boot loader package be aware this is when you can truly hard brick your device. Be sure you have a good connection and cable before starting. If you still can't get into download mode I can +1 on the jig. The jig and 4-2ndtwins one click has saved my bacon more than once.

ok so i bought the jig, and good news: it gets me into download mode! yay!
problem: i don't know where to go from here. i've tried the following:
A. after getting into download mode, i followed the ODIN method here: http://forum.xda-developers.com/showthread.php?t=1350266, meaning i flashed the gingerbread bootloader update (nothing happened to the phone, which made me confused when i got to step 7., because i was STILL IN download mode), then flashed the speedmod kernel (which reset the phone, but it just got stuck in the "SAMSUNG CAPTIVATE i-897" white text on black screen, forever. i had to do a battery pull. turning on the phone goes to the same screen and then it freezes. trying to hold all three buttons to go into recovery mode alternates between that screen and the white AT&T screen, actually alternates, forever if i let it.
B. after that failed, i tried using the 2.2 Heimdall one-click (http://forum.xda-developers.com/showthread.php?t=1266172) but the file, when run, says
Code:
ERROR: Drivers Not Found
Installing drivers
but i still followed the instructions (except the instructions say "Install driver" but the actual button is "Replace driver"?) in any case, this does nothing. and then checking off "Flash bootloaders" and doing it again does nothing. the phone remains in download mode.
C. so i wanted to try one-click downloader http://forum.xda-developers.com/showthread.php?t=731989, but nothing pops up on the ODIN window when i plug my phone in. i can't even do anything.
please help!

please, does nobody know what to do?

Take a look at the "Captivate Connection Issues" thread for some more things to try. At this point, it sounds like you need to clear all the phone drivers off of your machine and reinstall them.

jmtheiss said:
Take a look at the "Captivate Connection Issues" thread for some more things to try. At this point, it sounds like you need to clear all the phone drivers off of your machine and reinstall them.
Click to expand...
Click to collapse
thanks, that worked! (it was my laptop that was the source of the connection issues i think; i tried all that stuff in the thread, but when i switched to the desktop, all of a sudden ODIN recognizes the phone!) i got my phone to flash ODIN one-click. so now i'm back to stock 2.1 eclair.
however, much to my dismay, i still can't get into recovery mode to (re-) root. the three button combo still does the weird flashing thing, where the white AT&T logo shows up, then the screen goes to black, then the AT&T logo, then black... ad infinitum. how do i either 1) enter recovery, or 2) re-root the phone + get a nice, lean, fast, modern ROM on it without going into recovery?
so far this thread has helped me unbrick the phone, now all i need is to update it from stock!

spacenegroes said:
thanks, that worked! (it was my laptop that was the source of the connection issues i think; i tried all that stuff in the thread, but when i switched to the desktop, all of a sudden ODIN recognizes the phone!) i got my phone to flash ODIN one-click. so now i'm back to stock 2.1 eclair.
however, much to my dismay, i still can't get into recovery mode to (re-) root. the three button combo still does the weird flashing thing, where the white AT&T logo shows up, then the screen goes to black, then the AT&T logo, then black... ad infinitum. how do i either 1) enter recovery, or 2) re-root the phone + get a nice, lean, fast, modern ROM on it without going into recovery?
so far this thread has helped me unbrick the phone, now all i need is to update it from stock!
Click to expand...
Click to collapse
I could be wrong but when you do the 3 button combo it sounds like you are continually holding the buttons which will cause it to keep looping like you describe. Starting with your phone off hold down all three buttons. The phone will show the white ATT screen. Then if you had a custom kernel it would show the kernel splash screen, in your case you said it just goes black which is fine too. Then you will of course get the white ATT screen again. As soon as you see the white ATT screen again release all the buttons and that should boot it into recovery.

m1batt1 said:
I could be wrong but when you do the 3 button combo it sounds like you are continually holding the buttons which will cause it to keep looping like you describe. Starting with your phone off hold down all three buttons. The phone will show the white ATT screen. Then if you had a custom kernel it would show the kernel splash screen, in your case you said it just goes black which is fine too. Then you will of course get the white ATT screen again. As soon as you see the white ATT screen again release all the buttons and that should boot it into recovery.
Click to expand...
Click to collapse
i tried various durations of holding the buttons. none worked. 2nd AT&T logo, nope. 1st black screen, nope. 1st AT&T logo, nope.

Your gonna have to get ADB set up on your pc. Then... "adb reboot recovery" will get u into recovery mode.
Sent from my SGH-I897 using xda premium

Samsung GALAXY Exhibit (SGH-T599N from MetroPCS) BRICKED!!!

Hello everyone!!! Noob here! So, I'm having a really bad problem... My SGH-T599N (or Samsung Galaxy Exhibit from MetroPCS) has been bricked. Long story short, after finding out nothing works and stumbling upon Odin3 v3.07, I plugged my phone in (in Download Mode) and loaded a [.tar] folder in the[PDA] criteria, pressed start, and all that was shown was...
View attachment 2946077
Nothing else happened, so I unplugged my phone, pressed power button, but only the Black Screen of Death shows (says "Firmware Upgrade Encountered An Issue. Please Select Recovery Mode In Kies & Try Again"). Now, I downloaded Kies, but the problem with this phone is... THERE IS NO SERIAL NUMBER! I looked on the back in the phone, not there. I looked on the battery, and there it is! But.... It doesn't work (either that or it's not it, though it has "S/N:" and the numbers by it, but it still doesn't work). No now, I'm just in a terrible place. Plus, if I press Down Volume + Home + Power, I can still go into Download Mode, but I still have no idea where to go from here and what to do. Somebody please help me!!!

TerrBear94 said:
Hello everyone!!! Noob here! So, I'm having a really bad problem... My SGH-T599N (or Samsung Galaxy Exhibit from MetroPCS) has been bricked. Long story short, after finding out nothing works and stumbling upon Odin3 v3.07, I plugged my phone in (in Download Mode) and loaded a [.tar] folder in the[PDA] criteria, pressed start, and all that was shown was...
View attachment 2946077
Nothing else happened, so I unplugged my phone, pressed power button, but only the Black Screen of Death shows (says "Firmware Upgrade Encountered An Issue. Please Select Recovery Mode In Kies & Try Again"). Now, I downloaded Kies, but the problem with this phone is... THERE IS NO SERIAL NUMBER! I looked on the back in the phone, not there. I looked on the battery, and there it is! But.... It doesn't work (either that or it's not it, though it has "S/N:" and the numbers by it, but it still doesn't work). No now, I'm just in a terrible place. Plus, if I press Down Volume + Home + Power, I can still go into Download Mode, but I still have no idea where to go from here and what to do. Somebody please help me!!!
Click to expand...
Click to collapse
I will recommend you to search in here: http://forum.xda-developers.com/exhibit-4g
You can try and flash a stock firmware via odin, since you are able to get in download mode. Firmwares for your specific phone may be found here: www.sammobile.com

TerrBear94 said:
Hello everyone!!! Noob here! So, I'm having a really bad problem... My SGH-T599N (or Samsung Galaxy Exhibit from MetroPCS) has been bricked. Long story short, after finding out nothing works and stumbling upon Odin3 v3.07, I plugged my phone in (in Download Mode) and loaded a [.tar] folder in the[PDA] criteria, pressed start, and all that was shown was...
View attachment 2946077
Nothing else happened, so I unplugged my phone, pressed power button, but only the Black Screen of Death shows (says "Firmware Upgrade Encountered An Issue. Please Select Recovery Mode In Kies & Try Again"). Now, I downloaded Kies, but the problem with this phone is... THERE IS NO SERIAL NUMBER! I looked on the back in the phone, not there. I looked on the battery, and there it is! But.... It doesn't work (either that or it's not it, though it has "S/N:" and the numbers by it, but it still doesn't work). No now, I'm just in a terrible place. Plus, if I press Down Volume + Home + Power, I can still go into Download Mode, but I still have no idea where to go from here and what to do. Somebody please help me!!!
Click to expand...
Click to collapse
Don't know if you still need help but assuming you never replied to the other person's post eh I'm assuming you figured it out. If you didn't though I should first say that the galaxy exhibit 4g and the galaxy exhibit are two different phones. Also the official stock firmware for our phone hasn't been released by samsung for some reason so there's no way to go back to complete stock unless you make a backup. Here's a link for a pre-rooted stock rom though that you can flash through odin http://forum.xda-developers.com/showthread.php?t=2489238

Same Problem here but I am not sure how to use ODIN ?
Mr. Clown said:
I will recommend you to search in here: http://forum.xda-developers.com/exhibit-4g
You can try and flash a stock firmware via odin, since you are able to get in download mode. Firmwares for your specific phone may be found here: www.sammobile.com
Click to expand...
Click to collapse
I am having such a hard time getting My SGH-T599N to activate and I need the stock Rom Because I wiped my Android all ready. It can reach Download and even recovery but I think that it Needs the stock Firmware. I wonder if you have found the Solution yet?
[email protected]......... thank you so much

Wolf.eagle1957 said:
I am having such a hard time getting My SGH-T599N to activate and I need the stock Rom Because I wiped my Android all ready. It can reach Download and even recovery but I think that it Needs the stock Firmware. I wonder if you have found the Solution yet?
[email protected]......... thank you so much
Click to expand...
Click to collapse
Have you searched in the links above?

Problem with Tab S2 T815: stuck in "Downloading Dont turn off target"

Hello
I was testing an auto reboot app in my tablet (cf-autoroot rooted Tab S2 T815) when it rebooted and it got stuck in download mode but as if I had initiated a new upload. No matter what I do, it doesn't reboot to anything else I have tried flashing various stock roms (even MM) ODIN sees it starts to upload but fails I dont know where to get a .PIT file to try and repartition. I have also tried pressing multiple button combinations to no avail Only by pressing Power and Volume down it instantly reboots to the same screen
Any ideas before I have to resort to official service (and be financially skinned)? All help will be greatly appreciated
Thank you

MarketElf said:
Hello
I was testing an auto reboot app in my tablet (cf-autoroot rooted Tab S2 T815) when it rebooted and it got stuck in download mode but as if I had initiated a new upload. No matter what I do, it doesn't reboot to anything else I have tried flashing various stock roms (even MM) ODIN sees it starts to upload but fails I dont know where to get a .PIT file to try and repartition. I have also tried pressing multiple button combinations to no avail Only by pressing Power and Volume down it instantly reboots to the same screen
Any ideas before I have to resort to official service (and be financially skinned)? All help will be greatly appreciated
Thank you
Click to expand...
Click to collapse
Remove the USB cable. Press and hold the Home, Vol Down and Power buttons for about ten seconds. The tablet should power off.

lewmur said:
Remove the USB cable. Press and hold the Home, Vol Down and Power buttons for about ten seconds. The tablet should power off.
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Click to collapse
It did THANK YOU VERY MUCH
Problem is when I try to power it on, it doesnt boot normally. If I try to reflash a ROM (by pressing Home+Power+Vol) it shuts off (it seems that battery is at or near at 0%?)When I try to charge it, it boots instantly and goes to that screen again Have I bricked it somehow?
Thank you

UPDATE Somehow I managed to get it into "normal" download mode and ODINflash a stock ROM With 4% battery!!!! Anyhow now it seems to work fine When it'll be fully charged I shall make a full control
Any ideas what this incident was? Should I post the incident somewhere for future reference to any who might face the same situation?
Thank you
PS Is, by any chance, there a way to untrip KNOXX counter that I have missed?

MarketElf said:
UPDATE Somehow I managed to get it into "normal" download mode and ODINflash a stock ROM With 4% battery!!!! Anyhow now it seems to work fine When it'll be fully charged I shall make a full control
Any ideas what this incident was? Should I post the incident somewhere for future reference to any who might face the same situation?
Thank you
PS Is, by any chance, there a way to untrip KNOXX counter that I have missed?
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Click to collapse
There is a BIG difference between "autoboot" and "autoroot". The app you tried to install attempted to ROOT your tablet. Had you used the Power, Vol Down and Home buttons BEFORE trying to download what were apparently the WRONG ROMs for your tablet, there might not have been a problem. But there is no telling what the cf-autoroot app did. (Except trip your Knoxx flag.)
If flashing the CORRECT stock ROM didn't restore Knoxx, then nothing will. But if you tell Sansung you "accidentally" entered the download mode and didn't know how to get out of it without attempting to download something, then they might honor your warrantee anyway. Just make sure you tell them you WERE NOT trying to root your tablet or install a custom ROM.

lewmur said:
There is a BIG difference between "autoboot" and "autoroot". The app you tried to install attempted to ROOT your tablet. Had you used the Power, Vol Down and Home buttons BEFORE trying to download what were apparently the WRONG ROMs for your tablet, there might not have been a problem. But there is no telling what the cf-autoroot app did. (Except trip your Knoxx flag.)
If flashing the CORRECT stock ROM didn't restore Knoxx, then nothing will. But if you tell Sansung you "accidentally" entered the download mode and didn't know how to get out of it without attempting to download something, then they might honor your warrantee anyway. Just make sure you tell them you WERE NOT trying to root your tablet or install a custom ROM.
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No it did not I had installed https://play.google.com/store/apps/details?id=simple.reboot.com Which requires preexisting root And NO I did NOT try the wrong ROMs I might be a noob but NOT THAT much of one
The Download "mode" that this bugger of an app got my S2 in is NOT true download mode after all...
Knox has NOTHING to do with the incident Was tripped when I firstly rooted the tablet some months ago Just asked if there is a way of untripping it that I had missed
Thanks so much for your effort to help, anyway.
PS Tablet now running with rooted MM and everything (but Knox ofc) looks fine

MarketElf said:
No it did not I had installed https://play.google.com/store/apps/details?id=simple.reboot.com Which requires preexisting root And NO I did NOT try the wrong ROMs I might be a noob but NOT THAT much of one
The Download "mode" that this bugger of an app got my S2 in is NOT true download mode after all...
Knox has NOTHING to do with the incident Was tripped when I firstly rooted the tablet some months ago Just asked if there is a way of untripping it that I had missed
Thanks so much for your effort to help, anyway.
PS Tablet now running with rooted MM and everything (but Knox ofc) looks fine
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Click to collapse
Well forgive me for misinterpreting your OP which stated "I was testing an auto reboot app in my tablet (cf-autoroot rooted Tab S2 T815)". That does say "cf-autoroot" doesn't it? My interpretation of that sentence was that the "reboot app" you were "testing" was actually "cf-autoroot". Can you possibly see how someone could make that mistake?
So what actually took place was that you installed an "autoboot" app on your rooted Tab S2, which was rooted via cf-autoroot, and when you tested, using the new autoboot app, it booted to a non-working download mode. When you then tried to flash a legitimate ROM via Odin from this bogus download mode, it simi-bricked you tablet. Is this correct? I have seen this happen when a multi-boot app tries to boot the stock recovery download mode when you have TWRP installed. Stock recovery download mode no longer works once you have flashed TWRP. The Power, Vol-, Home key combination will exit from the non-functional stock download mode.

lewmur said:
Well forgive me for misinterpreting your OP which stated "I was testing an auto reboot app in my tablet (cf-autoroot rooted Tab S2 T815)". That does say "cf-autoroot" doesn't it? My interpretation of that sentence was that the "reboot app" you were "testing" was actually "cf-autoroot". Can you possibly see how someone could make that mistake?
So what actually took place was that you installed an "autoboot" app on your rooted Tab S2, which was rooted via cf-autoroot, and when you tested, using the new autoboot app, it booted to a non-working download mode. When you then tried to flash a legitimate ROM via Odin from this bogus download mode, it simi-bricked you tablet. Is this correct? I have seen this happen when a multi-boot app tries to boot the stock recovery download mode when you have TWRP installed. Stock recovery download mode no longer works once you have flashed TWRP. The Power, Vol-, Home key combination will exit from the non-functional stock download mode.
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Well "cf-autoroot rooted Tab S2 T815" was in brackets and AFTER "my tablet" wasnt it? Anyhow, I can understand misreading, no worries
Pretty much what you describe, yes. Differences: A. I had never installed TWRP B. Still dont know how exactly I managed to get it to "normal" download mode! I had managed to shut it down with the button combo you suggested only to find out that it was almost out of battery Trying to find a way to charge it, it started rebooting even after pressing "your button combo" In the effort to stop that I got in "normal" dnload mode again Without losing a second flashed the first stock ROM I've found on my HD and, voila, it was up and running After I had it charged I flashed MM(it's blazing fast Way faster than Lolli) and rooted it with cf-autoroot Everything seems to go smoothly now
I'd like to come to the bottom of this and post problem and solution to the appropriate thread as I havent found any other references and it might occur to somebody else (that app has over 100K of downloads)
I thank you once more

Most of what I've read was user error.
You obviously selected to boot to download mode from the app.
Nothing wrong with that as that is exactly what it did. Nothing bogus about it.
The problem started when you panicked and ended up half flashing something with a flat battery.
All you really needed to do was hold POWER + VOL DOWN to exit down load mode.
You would have rebooted just fine. Your OS would have still been intact.
You eventually got to 'Real' (as you call it) download mode by pressing the right button combo after at least getting some charge in the device.