[Q] Weird case. Samsung won't boot - Galaxy S II Q&A, Help & Troubleshooting

Hello everyone.
I have a Samsung Galaxy S2 (GT-9100) that has a dorimanx kernel and cyanogenmod 10 (nightly... I don't remember the version).
My problem is that the phone won't boot up.
If I turn the phone on I get the Samsung galaxy s2 screen with the yellow warning icon and then the screen of the dorimanx kernel but after that the phone blacks out and nothing happens.
I don't get the cyanogenmod boot animation.
But the phone is on, I know this because if I press the power botton of the phone, the lights of the menu and the return bottons turn on. It's weird.
I can make the phone boot in download and recovery mode perfectly (manually, pressing the physical bottons of the phone).
I have considered going into the recovery mode and installing cyanogenmod again but I'm not sure about what could happen to the files of the phone as I have some pictures thst I don't want to lose.
I have some questions about what to do with this situation:
- If I can install the rom again from the internal sd of the phone, it would fix it?
- Do you, guys recommend md to do a full wipe and format before I install the rom? I have once installed a rom in an old phone without doing the format, only doing the wipe and the filled of the phone were still there after the installation.
- Is possible to get the files from my phone in this state? I mean if I connect the phone to my pc, could I get the pictures back?
Thanks in advance.

xscx said:
Hello everyone.
I have a Samsung Galaxy S2 (GT-9100) that has a dorimanx kernel and cyanogenmod 10 (nightly... I don't remember the version).
My problem is that the phone won't boot up.
If I turn the phone on I get the Samsung galaxy s2 screen with the yellow warning icon and then the screen of the dorimanx kernel but after that the phone blacks out and nothing happens.
I don't get the cyanogenmod boot animation.
But the phone is on, I know this because if I press the power botton of the phone, the lights of the menu and the return bottons turn on. It's weird.
I can make the phone boot in download and recovery mode perfectly (manually, pressing the physical bottons of the phone).
I have considered going into the recovery mode and installing cyanogenmod again but I'm not sure about what could happen to the files of the phone as I have some pictures thst I don't want to lose.
I have some questions about what to do with this situation:
- If I can install the rom again from the internal sd of the phone, it would fix it?
- Do you, guys recommend md to do a full wipe and format before I install the rom? I have once installed a rom in an old phone without doing the format, only doing the wipe and the filled of the phone were still there after the installation.
- Is possible to get the files from my phone in this state? I mean if I connect the phone to my pc, could I get the pictures back?
Thanks in advance.
Click to expand...
Click to collapse
Hi,
So you've booted with this rom before? You could try flashing the rom again, or just try wiping cache/dalvik cache(or both). You won't lose photos or data doing this. If this doesn't work you can do a full wipe and install again(if you don't want to lose photos etc, you should be able to backup from recovery to your pc)
Just in case its your first time trying to flash this rom/kernel combo, make sure they are compatible too

noppy22 said:
Hi,
So you've booted with this rom before? You could try flashing the rom again, or just try wiping cache/dalvik cache(or both). You won't lose photos or data doing this. If this doesn't work you can do a full wipe and install again(if you don't want to lose photos etc, you should be able to backup from recovery to your pc)
Just in case its your first time trying to flash this rom/kernel combo, make sure they are compatible too
Click to expand...
Click to collapse
+1 Great advice. Seems you've been actively helping out members. Keep up the great work! (Final year of high school now so I won't have much time to contribute as I would normally do).
---------- Post added at 11:15 AM ---------- Previous post was at 11:11 AM ----------
xscx said:
Hello everyone.
I have a Samsung Galaxy S2 (GT-9100) that has a dorimanx kernel and cyanogenmod 10 (nightly... I don't remember the version).
My problem is that the phone won't boot up.
If I turn the phone on I get the Samsung galaxy s2 screen with the yellow warning icon and then the screen of the dorimanx kernel but after that the phone blacks out and nothing happens.
I don't get the cyanogenmod boot animation.
But the phone is on, I know this because if I press the power botton of the phone, the lights of the menu and the return bottons turn on. It's weird.
I can make the phone boot in download and recovery mode perfectly (manually, pressing the physical bottons of the phone).
I have considered going into the recovery mode and installing cyanogenmod again but I'm not sure about what could happen to the files of the phone as I have some pictures thst I don't want to lose.
I have some questions about what to do with this situation:
- If I can install the rom again from the internal sd of the phone, it would fix it?
- Do you, guys recommend md to do a full wipe and format before I install the rom? I have once installed a rom in an old phone without doing the format, only doing the wipe and the filled of the phone were still there after the installation.
- Is possible to get the files from my phone in this state? I mean if I connect the phone to my pc, could I get the pictures back?
Thanks in advance.
Click to expand...
Click to collapse
To add on to noppy's advice, you can still access your internal storage while in recovery mode by going into mounts and storage and selecting mount mass storage. A full wipe (factory reset, wipe all cache partitions and format system) is what I usually recommend to people if they want to install a new or different rom. And installing the same rom might and might not fix your problem. I think it's better off doing full wipe then flash.

I have gt 19100 may be affected by charger so nows shwing only samsong screen but not open and my laptop could not recognize it plz. any one have an idea about.

Follow my tutorial to get back to Philz Touch recovery. Then TWRP with IsoRec Kernel :
https://forum.xda-developers.com/galaxy-s2/help/guide-tutorial-samsung-galaxy-s2-i9100-t3538601

Related

[Q] My device won't start up - Samsung Galaxy Note GT N7000

I have got a Samsung Galaxy Note GT N7000. My friend has actually made an update (claims to), and now my phone won't boot! I get the first Screen as
"Samsung Galaxy Note GT N7000" after which the Samsung logo splash should follow, but simply doesn't. All I get is a black screen. With the Volume Down + Power + home I get the "Downloading Do Not Turn Target off" and it just stays that way, I don't really think it is actually downloading anything. With Volume Up + Power + Home I get "Manual Mode" of some recovery mode. Wherein I have
Reboot
Update from External SD
Update from Cache
Wipe External SD
Wipe Cache
Reboot just simply does the same, I get a black screen after Samsung Galaxy screen. What could be wrong with my phone? I have no idea, help please.
Edit:
I have Odin downloaded, and in the Download Mode, I get that COM:ID port added, but I have no clue where to proceed from there on.
Imman07 said:
I have got a Samsung Galaxy Note GT N7000. My friend has actually made an update (claims to), and now my phone won't boot! I get the first Screen as
"Samsung Galaxy Note GT N7000" after which the Samsung logo splash should follow, but simply doesn't. All I get is a black screen. With the Volume Down + Power + home I get the "Downloading Do Not Turn Target off" and it just stays that way, I don't really think it is actually downloading anything. With Volume Up + Power + Home I get "Manual Mode" of some recovery mode. Wherein I have
Reboot
Update from External SD
Update from Cache
Wipe External SD
Wipe Cache
Reboot just simply does the same, I get a black screen after Samsung Galaxy screen. What could be wrong with my phone? I have no idea, help please.
Edit:
I have Odin downloaded, and in the Download Mode, I get that COM:ID port added, but I have no clue where to proceed from there on.
Click to expand...
Click to collapse
hey man, i fall into this problem and can't solve it . please if you or anyone can help me because i can't solve it and tried everything. help me if you can!
Your phone's soft bricked. Signup and download N7000 stock ROM (your region) from Sammobile.. Reflash stock ROM using Odin.
fall into same problem
i have fall into the same problem can u help me because it does not boot into custom recover
hermitabby said:
i have fall into the same problem and when i use Odin mode to install custom ROM it does not start, but it show betry charging then try to boot and flash black screen and back to charging mode if you plug the phone to PC or charge it does the same
Click to expand...
Click to collapse
Odin to flash a custom ROM? Well, that's new. Since when they stopped using custom recovery?
i will be much appreciate if you give me good way to fix my device because now it does not even start in custom recover
Wipe data [factory reset]
Imman07 said:
I have got a Samsung Galaxy Note GT N7000. My friend has actually made an update (claims to), and now my phone won't boot! I get the first Screen as
"Samsung Galaxy Note GT N7000" after which the Samsung logo splash should follow, but simply doesn't. All I get is a black screen. With the Volume Down + Power + home I get the "Downloading Do Not Turn Target off" and it just stays that way, I don't really think it is actually downloading anything. With Volume Up + Power + Home I get "Manual Mode" of some recovery mode. Wherein I have
Reboot
Update from External SD
Update from Cache
Wipe External SD
Wipe Cache
Reboot just simply does the same, I get a black screen after Samsung Galaxy screen. What could be wrong with my phone? I have no idea, help please.
Edit:
I have Odin downloaded, and in the Download Mode, I get that COM:ID port added, but I have no clue where to proceed from there on.
Click to expand...
Click to collapse
Even i faced the same issue on factory firmware. And was able to get my phone started after wiping the cache and data in recovery mode.
i have the same issue with you. It's solved by flash new rom.
pratik069 said:
Even i faced the same issue on factory firmware. And was able to get my phone started after wiping the cache and data in recovery mode.
Click to expand...
Click to collapse
Thnks. Getting a little bit nervious (ive been having a little too much fun putting different roms...and $%$#% was ment to happen...). So that did the trick.
ODIN <--- Stock Firmware <--- Stuck on Logo <-- Recovery <--- Factory Reset and Cache...
Presto...working again!
Thnk you

P7510 Flash Problem

I need help. I came across a Galaxy Tab 2 10.1" WIFI only GT-P7510 recently and was trying to flash AOKP 4.2.2 to it after rooting it with Odin. I was originally on 4.0.1. Now I can't get it past the boot screen, the colorful X. I can still access CWM(I'm using 5.8.3 I believe). I've tried multiple times to reflash the recommended US Bootloader and always wipe the data/cache/dalvik cache. To no avail. I stupidly didn't create a backup of the original OS image; therefore, I can't put another OS on it. There's no external SD slot on the tablet and can't get the tab to boot to use the usb cable to do it. I also have the option to get to download mode, but when it asks me if I'm sure whether or not I'm sure I want to go into download mode, I click the volume up button, it doesn't work. It just shuts back off. I can still get into the recovery, but that doesn't help if i can't put any zip files on it to reflash to stock or another rom. the tablet just stays on the boot screen until it dies. I've tried a lot of google searches but nothing directly helps me. I really hope someone here can help.

[Q] i9300 keep rebooting and never turn on

Hi everyone.
I have a i9300 and it is stuck in rebooting.
Power key is ok.
I can get it to download mode or recovery mode.
I can wipe cache and partition but nothing change, it keeps rebooting.
I cant use odin because odin didn't see the phone,
I think USB debugging wasn't on. But I cant find a way to open it without turning on.
I am looking for possibilities and solution for 2 days and I cant find any. Please help me.
bootloop
It seems you are stuck in a boot loop. Try clearing the cache & perform a full factory wipe. Then reboot your device.
Hope that helps.
anshulmalviya said:
It seems you are stuck in a boot loop. Try clearing the cache & perform a full factory wipe. Then reboot your device.
Hope that helps.
Click to expand...
Click to collapse
thanks for answer. But I try that several times. Nothing changes.
Also I try partition wipe too. Sometimes I can see Samsung logo but I cant go further.
atilim said:
Hi everyone.
I have a i9300 and it is stuck in rebooting.
Power key is ok.
I can get it to download mode or recovery mode.
>> in recovery mounts and storage FORMAT system data cache sdcard .
Boot to download mode flash stock firmware via Odin .
I cant use odin because odin didn't see the phone,
>>> Thats either PC or Drivers usually see basic faqs .
I think USB debugging wasn't on. But I cant find a way to open it without turning on.
>>> Totally irrelevant .
Click to expand...
Click to collapse
I cant use odin because odin didn't see the phone,
>>> Thats either PC or Drivers usually see basic faqs .
I think USB debugging wasn't on. But I cant find a way to open it without turning on.
>>> Totally irrelevant .
Click to expand...
Click to collapse
You are right, it was computer malfunction. I can use odin now.
I have a i9300 and it is stuck in rebooting.
Power key is ok.
I can get it to download mode or recovery mode.
>> in recovery mounts and storage FORMAT system data cache sdcard .
Boot to download mode flash stock firmware via Odin .
Click to expand...
Click to collapse
I both try 4.1.2 (with odin) and 4.3 (with octopus) but it keeps rebooting.
I also use octopus box to flash and repair efs.
atilim said:
thanks for answer. But I try that several times. Nothing changes.
Also I try partition wipe too. Sometimes I can see Samsung logo but I cant go further.
Click to expand...
Click to collapse
If you've cleared the partition structure then you've turned a possible soft brick into a hard brick, you'll need a new motherboard now.
Try flashing the rescue firmware, from the thread in general, but I wouldn't hold out any hope.
Sent from my GT-I9300 using Tapatalk
same problem but worse please help
HI guys i have exactly the same problem but my bootloop was caused by installing recovery through the cwm app and then rebooting to recovery through the app. i rebooted to recovery with an app before and it caused this aswell ...however back then my volume down button was working. i fixed it last time by going into download mode and flashing philz recovery however i cant enter download mode or recovery or boot into system.
PS: my phone doesnt boot into recovery it comes up with the samsung galaxy s3 gt 19300 logo then it comes up with the cwm recovery icon in the middle of my screen and 'clockwordmod recovery v6.0.6.4' at the bottom of the screen then restarts itself.
i dont know what to try i have looked around, didnt want to create a new thread just wanted to find out if anyone has any idea of what i can do except for buying a new volume down button thats my last resort apprently its £35 to fix
easy way to fill up you thanks meter guys as any sort of input and advice is extremely appreciated.
alphadavid99 you fried your lcd when you flashed cwm made for note in the other thread.
Hi i have the issue... I am able to get in Recovery and Download Mode.
While in recovery i had formatted the whole internal memory and tried flashing about three AOSP ROMs (Formatting each time before Flashing) but the only result was the endless boot up screen (not boot loop).
Then i tried flashing a sammy ROM and it worked...
Could someone tell me why am I able to flash Sammy ROM but not AOSP (such as ARCHIDROID & SLIMBEAN).
My Model is GT-i9300
Current Modem - XXUGMK6
Current ROM - S4 Revolution ROM (TM)
Thanks in advance for your time if someone has any suggestions

[Q] Stuck at Samsung splash screen - Need to backup data

The phone was working fine until the battery was empty. I tried to charge it and turn it on, but it's stuck at the Samsung logo splash screen. Holding the power button only restarts the device, so to turn it off I'll have to take the battery out. I don't know how to fix this, and if a factory reset is the only option, I need to backup my data first which I currently don't know how to either (without accessing the OS).
I've got to the Android System Recovery 3e menu and tried clearing cache, which did not help. The option to do a factory reset is also there, but I need to backup my data first, and I don't even know if this will fix the problem.
I'm also able to enter download mode.
When connected to my PC it detects an unknown device named 'samsung_android", and it shows up in adb. I've tried doing a backup through adb, but it wanted me to unlock the screen to accept the backup, which I could not, because I'm stuck at the splash screen.
Is there anything I can do to save my data? Anything through adb? Install root (never done this before)?
dinho10r said:
The phone was working fine until the battery was empty. I tried to charge it and turn it on, but it's stuck at the Samsung logo splash screen. Holding the power button only restarts the device, so to turn it off I'll have to take the battery out. I don't know how to fix this, and if a factory reset is the only option, I need to backup my data first which I currently don't know how to either (without accessing the OS).
I've got to the Android System Recovery 3e menu and tried clearing cache, which did not help. The option to do a factory reset is also there, but I need to backup my data first, and I don't even know if this will fix the problem.
I'm also able to enter download mode.
When connected to my PC it detects an unknown device named 'samsung_android", and it shows up in adb. I've tried doing a backup through adb, but it wanted me to unlock the screen to accept the backup, which I could not, because I'm stuck at the splash screen.
Is there anything I can do to save my data? Anything through adb? Install root (never done this before)?
Click to expand...
Click to collapse
Hey mate, can you get into the recovery mode? Try flashing the TWRP recovery and boot by pressing power button + home button + volume up and find an option to mount your USB storage via USB cable and see if your phone's folder tree is available from the Windows Explorer and hopefully you can backup your data by then. Just make sure you have all the drivers ready.
Hope that helps.
cglegion said:
Hey mate, can you get into the recovery mode? Try flashing the TWRP recovery and boot by pressing power button + home button + volume up and find an option to mount your USB storage via USB cable and see if your phone's folder tree is available from the Windows Explorer and hopefully you can backup your data by then. Just make sure you have all the drivers ready.
Hope that helps.
Click to expand...
Click to collapse
Yeah, I can get into recovery mode. But how do I get the TWRP to my phone? Do I have to put it on my external memory card and then load it from there?
And I could only find it for a S2 Exhilarate SGH-i577 device. Does it matter if my phone is a S2 GT-I9100?
I've never rooted my phone earlier. Is a root necessary to flash a ROM?
dinho10r said:
Yeah, I can get into recovery mode. But how do I get the TWRP to my phone? Do I have to put it on my external memory card and then load it from there?
And I could only find it for a S2 Exhilarate SGH-i577 device. Does it matter if my phone is a S2 GT-I9100?
I've never rooted my phone earlier. Is a root necessary to flash a ROM?
Click to expand...
Click to collapse
Correct. Put the TWRP zip on your external and flash it normally via recovery mode such as CWM not the android 3e recovery. Or find an odin flashable zip for yoyr device.
I am very sure there is one for I9100 because I ran into the exact same problem before and managed to figure it out. You just have to search for it can't give you a link because I'm on mobile now.
You need to root your phone in order to install a new recovery such as TWRP/CWM or even flash new kernel and ROM.
Good luck.

I've bricked my T820

Was trying a factory reset with the idea that I'd give my Tab s3 to my wife upon receiving my S4.
The s3 was rooted but had the stock ROM.
I booted into recovery (TWRP) and did a wipe to factory reset. I had used TWRP a lot and didn't take my time. Just as I was moving the slider i read something like "sure you want to do this you have no OS installed." Too late.
Now it is stuck on the splash screen. I can't even turn it off.
Thoughts?
Thanks
4Nails said:
Was trying a factory reset with the idea that I'd give my Tab s3 to my wife upon receiving my S4.
The s3 was rooted but had the stock ROM.
I booted into recovery (TWRP) and did a wipe to factory reset. I had used TWRP a lot and didn't take my time. Just as I was moving the slider i read something like "sure you want to do this you have no OS installed." Too late.
Now it is stuck on the splash screen. I can't even turn it off.
Thoughts?
Thanks
Click to expand...
Click to collapse
You can either flash stock firmware from download mode (vol down+home+power). You can force reboot with this combination even if it's stuck at samsung logo (after screen gets dark, keep pressing them to get to download mode). Then you can flash with Odin a stock samsung firmware.
The other option is to use this rom https://forum.xda-developers.com/galaxy-tab-s3/development/rom-sm-t820-tweaked-t3659433.
Copy it to the microsd, boot to recovery (in this case you have to use the same 3 button combination, but as soon as the screen goes off, you leave the vol down and press vol up along home and power buttons.
That would take you to TWRP and then you could flash that rom.
The first option is the natural one but both should work.
Also, for the second option you need the actual bootloader to match the custom rom.
So if you're in Nougat, flash the Nougat rom. The same for Oreo.
Thanks. Worked perfectly.

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