[Q] Black screen on Phone start - Galaxy S II Q&A, Help & Troubleshooting

Guys,
I need some help. I did the Stock ICS update and my phone and re-rooted, and all went well. On re-starting my phone I had the Yellow triangle but I have a jig so I thought no problem use the jig to reset the counter. Of course the jig doesn't work with ICS. I did a search of the forums and found a method to reset the counter/yellow triangle here http://forum.xda-developers.com/showthread.php?t=1354888. I followed the process to the letter and then discovered I have a black screen at startup. I though I had bricked by phone, but was randomly pressing buttons and lo and behold my screen started up and everything on my phone was working as normal. I then re-read the notes and saw this process doesn't work on a SGS2, which is what I was trying it on!!! I am normally so careful, but we all make mistakes. I thought no problem I will go back and re-load my Nand backup through recovery, but of course I have a black screen so I can't see what is going on!! I can get into download mode so can use Odin just by entering the key presses although I can't see it happening. I managed to re-load my Nand backup via the CWM app and it worked fine, and it hasn't made any difference, so I am back where I started but with a black screen at startup.
Please can someone help me to get back to normal, is this a soft brick as I have seen methods on the forum for rectifying this. Any suggestions gratefully received.
Many thanks

taff2408 said:
Guys,
I need some help. I did the Stock ICS update and my phone and re-rooted, and all went well. On re-starting my phone I had the Yellow triangle but I have a jig so I thought no problem use the jig to reset the counter. Of course the jig doesn't work with ICS. I did a search of the forums and found a method to reset the counter/yellow triangle here http://forum.xda-developers.com/showthread.php?t=1354888. I followed the process to the letter and then discovered I have a black screen at startup. I though I had bricked by phone, but was randomly pressing buttons and lo and behold my screen started up and everything on my phone was working as normal. I then re-read the notes and saw this process doesn't work on a SGS2, which is what I was trying it on!!! I am normally so careful, but we all make mistakes. I thought no problem I will go back and re-load my Nand backup through recovery, but of course I have a black screen so I can't see what is going on!! I can get into download mode so can use Odin just by entering the key presses although I can't see it happening. I managed to re-load my Nand backup via the CWM app and it worked fine, and it hasn't made any difference, so I am back where I started but with a black screen at startup.
Please can someone help me to get back to normal, is this a soft brick as I have seen methods on the forum for rectifying this. Any suggestions gratefully received.
Many thanks
Click to expand...
Click to collapse
check ur pm mate

Related

[Q]Need help with with resetting phone

Alright I am completely clueless as to what to do and need help. Last night I tried to root my phone with the super one click. My phone froze at the Vibrant screen and was stuck there so I ended up bricking my phone. I looked online and found a couple of options and used the one click unbrick to unbrick it, then tried odin to get it back to the out of the box form. Well during this process, my computer froze and forced odin to close with the android download bar just starting. After that, I tried to restart odin with no luck. I pulled the battery and now only the soft keys light up and I can't get anything on the screen. Is there anything I can do or am I completely screwed?

[Q] Is my phone hosed?

I am on Cyanogen Mod 7 with my Vibrant and was attempting last night to do a factory data reset on my phone through the menu screen. The phone didn't seem to like me attempting to do that and now every time I boot, no matter which button combination I try I can never get past the black Samsung Vibrant boot-up splash screen.
Is there anything I can do to reset my phone somehow? I've searched the forums and google and can't find anyone with quite my same problem.
Thanks for any help that can be offered,
Brian
Hi Brian,
Since you factory reset the phone, then you don't care about your data at this point? If that is the case, then just boot back into recovery with the appropriate key combos and reflash CM7. You might have to do it twice and don't forget to wipe while you are in there.
See here for Key Combos and another user's CM issue.
I have tried both methods (Froyo and Gingerbread bootloaders) and neither return me back into recovery. If I try the gingerbread method I just reset back to the Samsung screen every 10 seconds or so. If I try the Froyo method, nothing actually happens, it just stays there at the Samung Screen and does nothing.
You are correct in that I don't care about my data at this point.
Thanks,
Brian
Could always try Odin.
Make sure you have ODIN OPEN with admin privileges!
1.) Take off your back cover, remove your sim & mirco sd card.
2.) Remove your battery.
Make sure you have the USB plugged into your PC but NOT your phone!
3.) Hold the volume buttons.
4.) Put the battery in.
5.) Put the USB in.
You don't necessarily need the download mode image to be present. As long as you are getting the COM ID to light up yellow in ODIN, just flash back to stock like normal.
Click to expand...
Click to collapse
Then reinstall CM from scratch. Gotta go for now but I'll check in later on.
Got it up and running late last night. Thanks so much for your help. Was never quite sure what ODIN was but now that I see how it works, it makes sense that it's the fallback plan for people that have done dumb things to their phone like I did.
Thanks again,
Brian
Yep. Odin has saved my bacon more times than I can count.
Sent from my SGH-T959 using Tapatalk 2

Flashed kernel to i9210 and screen stays black

Hi, got a galaxy s2 i19210 and using cm-10-20120926-UNOFFICIAL-i9210t
Was having a few random restarts and found that if I tweaked the voltages it would put an end to this. I found I had to use DreamKernel-GTI9210T-v1.7.1CM10-20121010073231-CWM to do this, so I downloaded it and tried to install via the rom manager.
Phone restarted to install, now when it turns on it says the usual 'galaxy s2 i9210' etc, then it usually goes to the blue cyanogen symbol spinning. Unfortunately, it no longer reaches this and the screen stays black. The lights turn on, but screen stays off.
Can't seem to get into download or reset mode with the key combination and sometimes instead of turning off the phone restarts which makes trying the key combinations a bit harder.
Have tried removing and replacing the battery but that didn't help either.
HOWEVER!
My computer recognises the phone although I can't access the hdd because the phone is locked
Odin recognises the phone
So, what options do I have to get my phone working again?
I've looked at a few threads and googled a bit but haven't found anything substantial
To clarify it's a Galaxy S2 i9210T 4G Australian Telstra phone
So I finally got into odin mode and cleared the dalvik cache and did a factory reset. Installed latest i9210 firmware via download mode and odin and everything is working again. Unfortunately I lost all my data but i'd prefer that than a brick. Still doesn't explain what happened in the first place though, did I use the wrong kernel or go about the install the wrong way? I'd like to go back to cm10 but fix the random resets.
You're more likely to get an answer here. Almost everyone here has an I9100/I9100T.
MistahBungle said:
You're more likely to get an answer here. Almost everyone here has an I9100/I9100T.
Click to expand...
Click to collapse
Thanks bud!

[Q] Need help getting out of boot loop

GT-I9300 (international version) (FCC A3LGTI9300A)
Never rooted, just applied official OTA patches when delivered.
Been experiencing random reboots now and then (more rarely than once a week) Some of them seems to have been "softer" than others because I did not need to enter PIN when it started up again.
Then a couple of hours ago, when waking it up (screen turned on but froze before displaying unlock function) it rebooted again and got stuck in boot loop.
When I power it on the first screen (Samsung Galaxy SIII GT-I9300) shows and then it goes to the "fun part"
The blue/purple "Circle"
SAMSUNG logo
blueish glow behind SAMSUNG logo (two short vibrations near the end)
black screen
repeat ad infinitum
Managed to get into recovery to clear cache but that did not help.
I guess factory reset is the next step to try but if there is any chance of anything else working I would prefer not to have to reset.
try reflashing the ROM you had through Odin. And don't ask how, there are tons of guides
Thanks for your quick reply!
Would it have to be the exact same version, or is any 4.1.2 for my model "close enough" to hopefully avoid factory reset?
Every ROM should do the job. But when it works you should save the data you want to keep and do a reset afterwards and flash the ROM again. Just to make sure no issues come up. What you could also try is to hold down the Volume Down button while rebooting and look if you can boot into safe mode. There you could save every neccessary data and do a reset/wipe afterwards.
Try to flash modem depending on your region, it worked for me
Sent from my GT-I9300 using xda app-developers app
Thanks for your tips, unfortunately no luck so far, one more rom file to try before resorting to factory reset...
Update, unfortunately still no luck. For a little while (after going from 4.1.1 to 4.1.2) I was feeling optimistic as the "updating apps" screen appeared when booting, but when it was finished it went back to bootlooping. I am now considering rooting/custom recovery to try to mount partitions so I at least can recover data from internal sdcard-partition.
Didn't want to risk triggering flashcounter if I still would not be able to boot and run TA.
Ended up doing factory reset from stock recovery and phone booted up just fine, guess there was something bad in my data or apps.

[Q] Samsung Galaxy Tab 10.1 Verizon LTE (sch-i905) bricked, no recovery

Verizon Galaxy Tab 10.1 4G LTE (sch-i905)
So I got this tablet from a friend who said it was bricked, said I could have it if I got it working. So I plug it in and it turns on no problem, strange. wiped tablet and added a couple apps. Got busy at work and the tablet drain power. That's when I got to see it bricked, but still not sure why it booted for a bit for me.
Symptoms:
Boots to Samsung Galaxy Tab 10.1 splash screen (not the animated one after), sits there for ever.
Boots to Odin update mode
When booting to recovery I get a blank, back lit screen and nothing ever.
I've tried:
-Pushing clockwork mode to fix recovery
-I've had a hell of a time finding stock firmware for some reason (it isn't on sammobile), but I did find one eventually. I pushed it to the tablet via Odin, and it was successful, but rebooted to blank black back-lit screen. Have to hard boot and hold power buttun until I see the splash screen to get that far. I followed the guide on rootzwiki reposted on icsforums - www icsforums com/forum/showthread / 13525 (sorry new member can't post links)
-Followed another guide that involved draining battery completely, no go.
I don't care what firmware I end up on, or if I can use LTE (I won't anyway)
I'm a network engineer so I'm tech savy, but not heavy on Android OS. I'm looking for anything else I can try. I saw another method involving heimdall suite, but can't find the files for my model.
Any help or guidance is greatly appreciated.
@Juicebox4242
I had this problem on my gt-p7510...
What I ended up doing was wiping my sdcard..I must have had something corrupt in my file system or a kernel issue( still not sure which )..
Since you have no recovery..I think you can use odin to repartition ( I CAN NOT STRESS ENOUGH THAT THIS IS JUST A GUESS )..I have not tried it..but i will search after this post to confirm..I also believe there is a way using ADB..again not sure..
I just wanted to post this so you would know somebody was looking and to maybe give you a couple ideas to follow up on...I'll search around and see what I find
Edit...I believe ADB will only work with usb debugging checked...But you can flash a stock rom in odin with re-partition checked..you need a .pit file....I think...
Edit...Here is a link to a stock rom thread for you're device..It seems to have helped a couple people with their soft-bricked devices..just follow directions in OP..no repartition checked. I cant even find a .pit file to do a re-partition with for you're device..
http://forum.xda-developers.com/showthread.php?t=1342995 Let me know if this works for you..
Thanks for the post!! Really appreciate it.
That firmware is the one I found in the end and tried. Odin pushes it ok, but then still doesn't boot. In fact after pushing that firmware it boots to backlit blank screen, but when hard reset boots to splash screen.
I tried a pit file I found that I thought was the right one, but it failed when I used that so it must have been wrong.
Juicebox4242 said:
Thanks for the post!! Really appreciate it.
That firmware is the one I found in the end and tried. Odin pushes it ok, but then still doesn't boot. In fact after pushing that firmware it boots to backlit blank screen, but when hard reset boots to splash screen.
I tried a pit file I found that I thought was the right one, but it failed when I used that so it must have been wrong.
Click to expand...
Click to collapse
I have the exact same problem as you, except sometimes I can't my tablet to boot. I know it is a software problem because before I was messing with recovery yesterday, everything was working just fine. All I wanted to do was restore to factory settings and instead ended up bricking the device... If you find / know the answer, please do share.
Juicebox4242 said:
Verizon Galaxy Tab 10.1 4G LTE (sch-i905)
So I got this tablet from a friend who said it was bricked, said I could have it if I got it working. So I plug it in and it turns on no problem, strange. wiped tablet and added a couple apps. Got busy at work and the tablet drain power. That's when I got to see it bricked, but still not sure why it booted for a bit for me.
Symptoms:
Boots to Samsung Galaxy Tab 10.1 splash screen (not the animated one after), sits there for ever.
Boots to Odin update mode
When booting to recovery I get a blank, back lit screen and nothing ever.
I've tried:
-Pushing clockwork mode to fix recovery
-I've had a hell of a time finding stock firmware for some reason (it isn't on sammobile), but I did find one eventually. I pushed it to the tablet via Odin, and it was successful, but rebooted to blank black back-lit screen. Have to hard boot and hold power buttun until I see the splash screen to get that far. I followed the guide on rootzwiki reposted on icsforums - www icsforums com/forum/showthread / 13525 (sorry new member can't post links)
-Followed another guide that involved draining battery completely, no go.
I don't care what firmware I end up on, or if I can use LTE (I won't anyway)
I'm a network engineer so I'm tech savy, but not heavy on Android OS. I'm looking for anything else I can try. I saw another method involving heimdall suite, but can't find the files for my model.
Any help or guidance is greatly appreciated.
Click to expand...
Click to collapse
Did you ever get this fixed? I've had the same problem for months. I just gave up and put it away. I recently fixed a Galaxy Tab 2 and now I want to see if anyone else was able to fix this i905 not booting issue.
did anyone know the solution of this question

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