Random reboots - Galaxy S II Q&A, Help & Troubleshooting

My SGS2 is rebooting itself 3 or 4 times a day, I'll do a quick reflash but I noticed it happened even before I rooted with the KDD kernel but didn't think anything of it.
Has anyone else noticed random reboots and is there a log file or app which can help diagnose the issue?
Sent from my GT-I9100 using XDA App

A quick search for 'random reboot' reveals:
http://forum.xda-developers.com/showthread.php?t=1059129&highlight=random+reboot
C'mon lad...first rule of the book: Use search!

no prob, I only did a lazy search, ie I just looked through recent posts.
If no one else is having an issue then its likely to be an app I have installed, I had thought it might be linked to me uninstalling the samsung hub stuff? But that was after rooting.
I'll flash the new firmware and see if it goes away.
Mods please feel freer to delete our close the thread.
Sent from my GT-I9100

I would definitely do a factory reset if all else fails

That's probably my thread...
I was getting lots of reboots on original firmware and factory reset didn't help....
However I uodated to xdd (full rom, not the root kernel) and it hasn't happened since!

Reflashed this morning with the kdf rom, had no reboots since
Sent from my GT-I9100

which are the roms "kdf" and "xdd"
sorry I'm new in samsung
thanks for any help

random reboots
And i wan't to know what xdd and kdf means.and a link with this rom's as weel if someone pleases.I have a problem with quick auto reebots as well and i haved istalled lots of diferent rooms with and the problem still there.plese help!

Many, including myself, have narrowed it down to Dolphin HD. Others to having apps installed to SD.
Sent from my GT-I9100 using XDA App

in my case none of the problems you said is my problem.i'v restord it to factory settings,flashed 2.3.4 kg1,2.3.5 k2/j3/ki3,cum rom light'ning v6.1,and now i flashed 2.3.3 xwkdf to see if this firmware solvs the problem.

Same here
Hi,
I had the Samsung Galaxy Y pro GT-B5510 random reboot problem. I'm a PhD CompSci very comfortable with flasing roms etc.
I tried everyting I could think of and I mean everyting a PhD CompSci could think of.
The last thing I tried:
With clockworkmod, I tested all my keys. (My Phone has physical keyboard) and all keys where OK!
Then I tried the clear dalvik cache and fix permissions.
It did not work, 2 minutes later a random reboot. aaaahgggg
Confident that not the SD card or firmware is the cause of this problem, I knew my Phone had a defect.
So I took my Phone, and I know this is not a scientific method. But a method that seems to work on electronics from time to time.
SOLUTION:
-With my knuckles, I bashed the backside of my Phone a few times, pretty hard I might add, NEVER be too gentle with electronics!
Now my pone has not rebooted a single time for over 18 Hrs. and still going strong! And it is so fast with Next Launcher! Amazing! That is one amazing launcher!! I cracked it, and I won't tell how, but you should buy this launcher, and I will as soon there is a payment method that works for me on the Android market. The memory management of this launcher is the best in the world!!
If this problem ever returns, I will try the bashing method first, could save me days of work.... LOL
And this is actually a very good method, it works on TV's on Radio's, it works on Android Phone's randomly rebooting, and most other electronics. It is reported to help on airplane, space shuttle, helicopter and warp drive engine control panels lol. ect. ect.
Really;
Just try this method, if you are going desperate! I have so many good experiences with this method, you can't deny it works often!!
Sometimes I think it is just a flipflop hanging, and the shock might shake it lose. So this method is actually more scientific then you think. <-- Physical shocks are known to fix electronics and chips sometimes!
So bash your Phone good and see if your problem is solved! Do not damage the Phone, just a few good hard knocks!
A few pretty hard knuckle bashes on the back of you Phone, won't damage it. It is fast, so it is worth a try! And that goes for all electronics with mysterious problems...
I am sooooo happy my Phone does not reboot anymore. You have no Idea! I don't care I had to bash it a little, IT WORKS like a charm!!
All my education..... and the method that works is simple bashing... How Ironic.
It is still running, if I do not post or modify this, I still have not got the random reboot problem back!
Trust me bashing now confirmd; Might solve random Android reboots! You have a good chance it will work!
whoooooo so happy now!!!
Just for fun, if this method fixed your problem don't forget to reply here, and thank me, I'm curious just how good a method bashing is!

Related

Issues with touch-input - Hero 2.1

Hey!
I've noticed that in a few applications (or settings) i have issues with my touch-input. This is e.g when changing the default ringtone i can't just tap "ok" but have to press the "ok" button from the side with my whole finger, otherwise it won't be regocnised. Sometimes when using the keyboard, the buttons on the right side are very hard to use. That would be the "p" "l" and "backspace". Have anyone else had this problem? The weird thing is that sometimes it works perfect, but sometimes it's just a pain in the ass to get things done?
I think sometimes the touch screen can just not work properly, just luck of the draw I guess.
Has yours always been like this or is it a recent change? I am assuming its always been like this.
if it has then its a hardware failure (most likely) and will need to go back under warranty for repair.
If its a new change, then what has happened to cause it? Could just be a new rom or something causing the calibration to be off.
It hasn't always been like this. Lately it has begun to screw with me. And i don't think it has anything to do with luck, since it's always the same programs that do this. e.g. changing ringtone, accepting the google maps license on first run etc.
One could think this is a hardware failure, that's what i thought at first, but the strange thing is, that the same "area" on the screen works prefectly in other applications. I've tried several roms, but they all act like this. Perhaps I should install the stock rom and try with that.
I have a similar issue, and even more, sometimes once I am pressing the screen, the keys are starting to "dance" like the hero is trying to think which button to choose, by itself, and I am watching it, and smiling :-(
I've had it since SenseHero 1.5 and others as well. I just reinstalled the official htc rom and calibrated again the screen... but I am afraid the issue is still there, though less frequent...
Next week at the doorsteps of Orange I guess
Possibly is lag related?
Maybe the phones memory management is not working very well on the ROM you have installed and is causing large amounts of lag that the phone is interpreting touches (or not touches).
Lennyuk said:
Possibly is lag related?
Maybe the phones memory management is not working very well on the ROM you have installed and is causing large amounts of lag that the phone is interpreting touches (or not touches).
Click to expand...
Click to collapse
Possible, But with all the speed tweaks, task killer and stuff, maybe even the overclock widget that I started to use only after this issue appeared... don't know, have no idea how to solve it.
Now it is like beginning, with official htc rom, no additional apps installed neither contacts, and still, I have this issue.
Suggestion?
Got the exact same problem.
Almost exclusively buttons on the bottom of the screen and as you already said the right part of the keyboard (especially the goddamn backspace drives me nuts sometimes!).
It hasn't always been like this, started somewhen after flashing more than just Modaco I think.. And the severity varies a lot, sometimes I got barely any issues and then again I can't even finish an sms. Unnerving.
At htcpedia someone who obviously has the same problem pm'ed me his solution:
Your Problem with Screen
I had to wipe everything of.... installed the WWE original ROM, then re-root the phone and now working with Modacco 3.1, seems to be working ok now....think the problem was with LOX latest ROM.
Click to expand...
Click to collapse
I think - not sure - it startet with some lox rom for me too. Do you remember which Rom you were using when this first occured?
Well anyway, might give it a try.
I haven't tried it yet for 3 reasons:
1 - the link for the german version of the original firmware is down
2 - i don't have a windows computer, so the .exe is pretty much useless for me
3 - I'm way too lazy as currently it's not that bad
same problem
hye there, I seldomly post here..
But i got the same problem before... keyboard dances, hard to click OK... could not finish a sms without swearing F*** F***..
yep, its a hardware problem.. maybe its bcoz of the shape of the hero making its touch screen easily damage.. Not sure though..
flashed so many roms, to try to fix this problem.. thought it was a software issue.. but.... nothing..
went to HTC care centre.. and changed the touch screen (warranty, had to revert everything to stock) and now...
Good as New with Villain 3.4
hope this helps...
Oh thx guys. "Happy" not to be the only one with this issue. For starters I'll try the solution with the original rom. I think I still have some version of windows installed on one of my harddrives. If it don't work I'll have the screen changed. I'll report soon.
rehet said:
hye there, I seldomly post here..
But i got the same problem before... keyboard dances, hard to click OK... could not finish a sms without swearing F*** F***..
yep, its a hardware problem.. maybe its bcoz of the shape of the hero making its touch screen easily damage.. Not sure though..
flashed so many roms, to try to fix this problem.. thought it was a software issue.. but.... nothing..
went to HTC care centre.. and changed the touch screen (warranty, had to revert everything to stock) and now...
Good as New with Villain 3.4
hope this helps...
Click to expand...
Click to collapse
When you revert to stock Rom, do you need to reinstall a stock recovery as well? or is it automatic? because I reverted and when I try to boot into recovery with "power + home" I get a kind of error: the symbol of a triangle with an exclamation mark in it, and a phone symbol lies down beneath it.
Is there another way to go into recovery? or is it not installed actually? (I went back to the official RUU from htc site).
Thanks for the help.
Ok, I've just tried the solution with the stock rom. As a matter of fact, it does fix the keyboard-issues. However, some of the other random touch-input-issues still persist. I can't really see how this could be hardwarebased, since the same area on the screen works in other applications just fine.
The official rom from HTC completly restores your phone as it was when you got it. You'll have to install your custom recovery again, as you did the first time.
I had a similar issue.
A fix for this: VillainROM6.1-Full-signed.
Now, keyboard its ok.
Try it.

My S2 is sometimes jerky/unresponsive

Couldn't see anything about a general jerky S2 here - hope I'm not duplicating something...
I have a T-Mobile UK Galaxy S2. I've had it a week and its my first Android phone so I'm not super experienced with it. I am rooted running:
Android version 2.3.3
Kernel KF3
Build Number BOKF3
About once per day the phone becomes very jerky and unresponsive. If I am navigating the menus or flicking up a long menu screen the motion isn't smooth. Similarly if I am using Swype my swipes often get interrupted by this freezing motion. The phone just doesn't keep up with my finger and in end up with an incomplete word. In the web browser it takes a while to register my finger on the screen and often when I try to scroll, I end up clicking.
The problem goes away if I turn off the phone and restart but I have not been able to find a way to resolve it without doing this.
I have tried: ending all apps; clearing ram; using advanced task killer.
Only a reset seems to make a difference. I can then be OK for the next few hours, but I think I've had this problem at least once per day since I've had the phone.
I've not notice it being triggered by any specific app.
Can anyone help me fix this? Is there anything I can install to see what might be going on? Anyone else had the problem?
Any help really appreciated
Backup all data and factory reset as first step ..
jje
Can you advise what my best way is to do that given my current situation.
I didn't make a backup pre-root. Is this a problem? Is it just a matter of connecting to Kies to do the factory reset? Or do I need to use other tools/locate the original kernel.
There is nothing on the phone that I need to back up (other than a few paid apps which I believe I can use Titanium (free) to backup right?
Thanks
Update: Backed up my apps with "file expert", did the factory reset, downloaded fresh copies of only the apps I really wants and so-far-so-good. Thanks again.
Problem seems to have reappeared. Was using the phone this morning and it became all jerky again. Can anyone suggest other things I can look at?
thanks
If you are still on old KF3 ROM, consider upgrading to KG3 or wait few days KG6 will be released.
I see signs of kg6 in the other forums. is the version I need out now?
Im really keen to gert this shorted as the jerk is driving mr madit seemslike a pylsetjayfreezes the phone. If I am in my contacts list i can flick the screen and make the list scroll fast down.but it stops for a second then continues on its way.normally when it happens it happens s second time just when the scroll is slowed right down. Its like there is something running on the phone causing it every 1.5 seconds.
Im worried my phone is defective as none else seems to have this problem.
Any pointers to three correct kg6 our other solutions much appreciated.
Cheers
Sent from my GT-I9100 using XDA App
Well a couple of months later I still have the same problem. I'm now running KH3 and the problem is persisting. I've also noticed that the 'jerk' interrupts the filming of video so anything recorded while it is happening ends up with little skips in the video and out of sync audio.
I've also tried an app from the market "fast reboot" but that doesn't solve the problem. I still only get a temporary fix by turning the phone completely off and then back on again.
Does anyone know the process for returning a phone to T-Mobile UK? Am I going to be without a phone for ages? A friend who also has a SGS2 on the T-Mobile network but purchased from Carphone Warehouse is convinced it that it is the fact it is a T-Mobile direct phone that causes the problem... but they can't all be like this???
Otherwise, is there anything else I can try to troubleshoot what might be happening. There must be *something* that starts running on the phone that causes this jerky behavior but I just don't know how to identify it.
Any help much appreciated - thanks!
Well, that's definitely not normal. Sounds like an hardware issue to me. A friend of mine got his SGS2 from T-Mobile Shop Austria (with branding) and he doesn't have this issue.
- Maybe your homescreen is overloaded with widgets. Try to remove some Widgets, like Program Monitor (caused me some jerking).
- Do a factory reset (settings/privacy/factory data reset). don't forget to backup your data.
- Try to flash a different Rom (full wipe) with Odin, like KI3 (2.3.5) or a Custom Rom . I'm personally using CheckRom Revolution and I'm really happy with this Rom. However you'll lose your T- Mobile branding and your warranty, if you root your phone. Don't forget to backup your current Rom and buy / use a USB JIG to get the warranty back, if it doesn't solve your problem.
Well, I personally doubt that any of these methods will help your problem.
If nothing helps, then talk with T-mobile ... maybe they'll instantly replace your GS2 with a new one, if you explain the situation in detail. Try to put some pressure on them^^ Otherwise you have a couple of weeks to wait, because T-Mobile will most likely send your damaged phone to Samsung.
good luck.

[Q] Possible vibrick. Haven't found an applicable fix

I have searched and searched, but can not find what seems to be an applicable fix, so here goes.
Ok here is my best description. Equipment: Rooted vibrant. The plot: Rooted. Ran fine for months. Yesterday purchased Rom Manager premium. Installed one of the premium roms. Can't remember the name of the rom. After install everything worked fine except I kept getting the error, "com.google.process.gapps has stopped unexpectedly" so I tried everything I could find related to that problem to fix it, but nothing worked. As a symptom the market, gmail, etc wouldn't work. Anyway I figured I'd just recover the last rom that I backed up and start over. So I did, but now the phone boots, goes to the "draw pattern to unlock screen" and won't recognize the fact that I'm actually drawing the pattern to unlock the screen. The "buttons" on the bottom of the screen recognize my touch (menu, home, search, back) as they darken when touching them.
So there the phone sits on the unlock screen. After a minute or two the screen goes blank, the phone vibrates once, and the unlock screen comes back and won't accept any input.
Is this fix applicable, or would it work in bringing my phone back to me?
http://forum.xda-developers.com/showthread.php?t=848737
I want to make sure as I don't want to further exacerbate the uselessness of my phone. I feel like I've lost a limb with it gone.
Thanks for any help.
Sorry to hear you found the worst gremlin of all. I'll get that from time to time when my phone feels like being stupid. Lucky for me, I can just reboot the phone, and she's back to normal.
As far your situation is concerned, I would probably try to use Odin and flash your phone back to stock so you can build it back up to whatever ROM you're on. This usually happens when you bounce back and forth between a froyo and GB ROM; or a ROM from a different dev that's used a different framework to make all his stuff work.
Jump into the link in my sig, and see if you can find the files you need. Otherwise, shoot me a message so I can link you to the files I use to go back to stock pre-rooted.
Lol, did you try this?
http://forum.xda-developers.com/showthread.php?t=749605
Odin to stock, check the stickie about how to do so... it will solve your problem almost for sure... above all, dont panic, youll be allright
Sent from a cell tower to the XDA server to you.
younix258 said:
Odin to stock, check the stickie about how to do so... it will solve your problem almost for sure... above all, dont panic, youll be allright
Sent from a cell tower to the XDA server to you.
Click to expand...
Click to collapse
OK. The sticky worked. I admit I panicked, but IT WORKS NOW!! I'm just ecstatic! You guys rule.
I guess I was just gun shy. I bricked the snot out of my my-touch a year ago (still doesn't work).
Anyway, on to hacking.
Thanks again!
Awesome! Glad you got it werkin
Next time just try a simple Google search of the error itself.
*EDIT*
If you still have the mytouch I'd be interested in it. PM me if so
Yeah I tried to google the problem, but I was still stuck. None of the fixes seemed to work. Until google led me here.
I do still have the my touch. Mint condition, minus the fact it doesn't work! I'd like to get it working again if possible. Is there a way to odin the my touch? I tried and tried last year when I bricked it, but I never got it to work again. Is there a my touch forum here somewhere named something other than "my touch"?
Sent from my SGH-T959 using XDA App

Vlingo sometimes opens after single-click of home button

Hey guys.
I've noticed that occasionally Vlingo/Voice control pops up after a single-click of the home button. This happens a couple of times a day.
I was wondering if this could be a hardware or software error. My guess is that it has to be a software error because it happens so rarely and the button itself has quite the travel (I just don't feel it being pressed twice).
My question is has this problem happened to anyone else before? It's kind of driving me crazy.
I'm on stock rooted (with insecure kernel) BOKE3 (Android 2.3.3).
Thank you!
I think it's hardware related. I noticed it in CWM Recovery. Sometimes when i pushed Home once, phone acted like I was pushing it twice.
I have my GS2 for 2 months. It happened to me only twice.
Thanks for the reply. I don't have CWM recovery installed and the couple of times I've been in the stock one I haven't noticed anything. I guess time will tell if it's a hardware or software bug when ICS is finally (officially) released for SGS2.
Happen to me in cwm a couple times too...
Now i use POWER button...just to be sure i dont mess up the Sg2
can somebody fix this problem? it is annoying when I want my phone back to homescreen but the vlingo comes out...
I have the same problem, and it's definetly a hardware issue. My home button have gotten progressively worse, it have now reached a point where it now double clicks several times a day.
Sent from my GT-I9100 using xda premium
You know, I remembered that it all started when I had the "bright" idea to format the /cache from the stock recovery. I just formatted it to see if it will fix itself. Already the stock launcher's animations are back (I never realized they were gone), hopefully this fixed the problem, otherwise off it goes to Samsung for service.
This happens to me all the time and it drives me crazy... I hate that goddamned thing... `what would you like to do` how about shut the hell up.
I suppose if you root it can be uninstalled
i think i have the solution , will post a video on youtube in few hours.
I had same issue with LPB ICS, then i flashed again, wipe data, cache etc, even deleted battery log/stats, and now everything is perfect..
This is not HW issue afaik..
Same for me. It's especially annoying if you're sitting in a course and the media sound isn't muted.
For me it seems to be a hardware problem, too. Because after I had replaced my S2 it just happend once in 2 month. Before it happend several times a day.
LG WortPixel
I have the same problem too. I used CWM. I think this is software things.
toi1em said:
I have the same problem too. I used CWM. I think this is software things.
Click to expand...
Click to collapse
How many times have you encountered it and have you disabled/use Rom without home button double click?
Sent from my GT-I9100 using xda premium
Factory reset did not do the trick, I still occationally get the damn Vlingo. Maybe I should try installing another factory firmware.
I'm really tempted to just send it in for service.
andreasS2 said:
Factory reset did not do the trick, I still occationally get the damn Vlingo. Maybe I should try installing another factory firmware.
I'm really tempted to just send it in for service.
Click to expand...
Click to collapse
It won't help, I'm confident it's a hardware problem. The best you can do is to flash a rom without the double click feature.
Sent from my GT-I9100 using xda premium
Do you know if the stock ICS (leaked) roms come with Vlingo or a double-click feature in general?
brar.arsh said:
I had same issue with LPB ICS, then i flashed again, wipe data, cache etc, even deleted battery log/stats, and now everything is perfect..
This is not HW issue afaik..
Click to expand...
Click to collapse
It happens on every Rom I've used.
Sent from my GT-I9100 using xda premium
Can't we just make a warranty claim? Or are they just going to come back with "could not reproduce problem" since it only occurs 2-3 times a day?
Edit: I've contacted Samsung and they've told me to update to the latest firmware. Lol.
andreasS2 said:
Do you know if the stock ICS (leaked) roms come with Vlingo or a double-click feature in general?
Click to expand...
Click to collapse
Yup they do, and I had the same problem on the latest ICS leak. It also double clicked in CM7, but it's harder to notice there as it dont have Vlingo.
I guess you can make a warranty claim. I dont know your countries rules regarding this, but in Norway they must fix stuff like this even though the warranty dont apply/is expired.
Sent from my GT-I9100 using xda premium
The phone's warranty runs until the end of September 2013.
I just installed another original rom and it already popped up Vlingo once, I'm going to test it some more and report back.
Edit: Same problem, it's definitely hardware related.

Help with Random Reboots

Hey guys, my i777 has been random rebooting for 3 months now. I've tried everything in the realms of wiping, foctory reseting, ROM flashing etc. When I flash a new ROM (I like SuperNexus and CM9/10) the random reboots are happenning once a day. As time goes by, the number of random reboots reaches a number like 10, 15 per day, which makes the phone basically a black brick. I've tried identifying usage patterns that could lead me to a system fail (maybe some app could be causing it?) but it didn't make either.
It's a hard reset (it takes me back to Samsung screen) and I've tried everything, in every way, in every forum you can imagine, I've also tried looking in the last_kmsg log file, but it never gives me material to work with.
My last attempt to make this work is right below, I've recorded the logcat (it's really big!). I'd be very pleased if anyone with more knowledge in Android system than me could try to identify what's causing this. Thank you so much! The logcat is attached in this thread.
So you've tried going back to stock ginger bread, not installing any apps, and seeing if the problem persists?
Phalanx7621 said:
So you've tried going back to stock ginger bread, not installing any apps, and seeing if the problem persists?
Click to expand...
Click to collapse
Yes I have, keep getting random reboots. Is this a case of throwing the phone away and buying another? I have it for 1,5 years, maybe should be time to move ahead... This thing already gave me so much headache that I've already paid another phone in stress and sweat
vphilot said:
Yes I have, keep getting random reboots. Is this a case of throwing the phone away and buying another? I have it for 1,5 years, maybe should be time to move ahead... This thing already gave me so much headache that I've already paid another phone in stress and sweat
Click to expand...
Click to collapse
As long as you're not adjusting voltages, sounds like maybe the power button could be sticking
Sent from my SGH-I777 using xda premium
Well, guess this could be my last try. I'll check it out and post my results asap... thank you.
There are tutorials on replacing the power button, from what I've read its not too difficult but I suppose its always easier said than done eh lol.
Sent from my GT-I9100 using Tapatalk 2
I had a similar issue, mine would reboot sometimes once a week, sometimes 5-10 times a day. Random sleep of death, freeze and complete battery drain etc. I finally sent it in on my square trade warranty and they replaced the main board - some sort of short in there that was causing it i guess. I suppose it would be possible to swap out the main board, or buy a used phone with a broken screen or something to strip for parts.
There is a great video by "le55ons" on youtube tearing down a I9100 that could help you get an idea of what's involved.

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