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samsung galaxy s 2 Phone restarted on its own

Samsung galaxy s 2 phone restarting 3 times on its own sitting on the desk without any apps in background or anything like that. The phone is not rooted and it has all the updates. Any suggestions?
Thanks,
Alex

Thats one of androids many features' all of my android devices has that problem.

Haven't had a single reboot on mine. Think I had 150 hours uptime before I flashed the KE1 update.

Maybe time for a cache wipe in recovery or if that doesn't work try factory reset.

Intratech said:
Maybe time for a cache wipe in recovery or if that doesn't work try factory reset.
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Click to collapse
Already tried to factory reset for 2 times with no luck

Can you get a dmesg of this happening, or last_kmsg if enabled in kernel?

Cant get the last_kmsg because the phone isn't rooted, now it crash every time i start an application other then browser or the dialer, contacts...
Could you please explain how to enable last_kmsg in kernel or is there any way to get the dmesg without rooting the phone?

delitero said:
Cant get the last_kmsg because the phone isn't rooted, now it crash every time i start an application other then browser or the dialer, contacts...
Could you please explain how to enable last_kmsg in kernel or is there any way to get the dmesg without rooting the phone?
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No idea, not got the phone. Doubt you can read these without root

pulser_g2 said:
No idea, not got the phone. Doubt you can read these without root
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Click to collapse
Cant it be from a hardware failure or software based?

I cant wipe, I cant re ROM, What to do?

So, I have a backup of my rom from another device that I installed. What I need to do is change the sync account, but it says I can not remove it. Fine, so I try to add another and it says google can not establish a reliable connection.
If I factory reset the device, it will sit at the boot logo and keep crashing until I restore from backup.
If i install a new rom, only one actually worked but it seemed to be an older one (Different icons, missing the Hubs)
What can I do? I already completely bricked one device trying to get this fixed. I really gotta get this going, how can I either wipe it all out completely so I can set it up new again, or find the stock USA/Canada Rom?
Thanks!!
Ps, here is the thread I already have where i speak about bricking my other phone: http://forum.xda-developers.com/showthread.php?t=1175098

Dude please stop whatever you're doing. You seems to be getting yourself in a mess.
First do some reading on how to flash with Odin and then flash a stock firmware to the device and do a cache wipe and factory reset in the recovery menu. When you boot into the device do a hard reset and then stop messing with the device.

Intratech said:
Dude please stop whatever you're doing. You seems to be getting yourself in a mess.
First do some reading on how to flash with Odin and then flash a stock firmware to the device and do a cache wipe and factory reset in the recovery menu. When you boot into the device do a hard reset and then stop messing with the device.
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Click to collapse
The thing is, if i do a factory reset, it will not boot for some weird reason :/
Thats all I am trying to do, I just need to get back to stock then i'm sitting there. The only thing that actually seems to work is the backup I have on it right now, but I can not reset any of the settings to actually be able to start using the thing

this is the second one you've messed up? use one of the other 2 but don't try to do a restore just download all your apps manually. and send me one of the messed up ones.

boondoc said:
this is the second one you've messed up? use one of the other 2 but don't try to do a restore just download all your apps manually. and send me one of the messed up ones.
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Yup, haha
I have a Jig on the way, ill see how that goes
Well I would also like to change the sync account, which it will not let me ://
I just reflashed like 8 times in the last hour trying different roms, none are working

Stop.
There is a bug when you wipe, which stops boot...
Affects older stock roms.
Newer ones should be OK, as should custom ROMs

pulser_g2 said:
Stop.
There is a bug when you wipe, which stops boot...
Affects older stock roms.
Newer ones should be OK, as should custom ROMs
Click to expand...
Click to collapse
So what can I do?
I also cant even find any Stock USA roms, which is weird

I just got it to finally boot with another rom
The only thing different is it by default has some widgets added, and the Messaging app has a different icon. All the hubs are also intact
*Roots, makes a backup*

bncplix said:
So what can I do?
I also cant even find any Stock USA roms, which is weird
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Click to collapse
that's because it hasn't been released here yet. seriously... send me one of those babies.

boondoc said:
that's because it hasn't been released here yet. seriously... send me one of those babies.
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Click to collapse
All seems to be working now. Woo whoo!
I have 4 And 2 of the 10.1 tabs
I am working closely with Samsung on one of their new marketing projects, which is why I get all of these

So, factory resetting this image screws up too.
But its okay, as I got a blank backup now with no accounts. So I'm all set
Also, just got the email confirmation that my jig shipped out.

You should probably donate one of the "b0rk3n" device to a dev.

Bootloader Loop problem

Hi, my phone acted weird today, been running custom room for over couple months without any problem, but then when i resart my phone today it got to the bootload screen and stuck there ever seen. I can able to go into custom recover and did a full wipe but nothing change, could anyone help me out? I have loki also. Using S4 ATT version.

Try wiping cache in your recovery

i did that, always do that after install a new rom, don't know why my phone is soft bricked now...

akahimaro said:
i did that, always do that after install a new rom, don't know why my phone is soft bricked now...
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Click to collapse
if you've done a full wipe and tried either re-flashing your rom or restoring a nandroid and neither was successful, you may need to consider going back to stock via odin and starting over.
i've never seen a phone run on the same rom and kernel settings for months and then just shut down and softbrick without something having been changed recently.

xBeerdroiDx said:
if you've done a full wipe and tried either re-flashing your rom or restoring a nandroid and neither was successful, you may need to consider going back to stock via odin and starting over.
i've never seen a phone run on the same rom and kernel settings for months and then just shut down and softbrick without something having been changed recently.
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Click to collapse
yes, i'm doing that right now, thanks for the tips, i had that happen to my s2 before. Really weird...

Before ODIN'ing back to MDL/MDB...
akahimaro said:
yes, i'm doing that right now, thanks for the tips, i had that happen to my s2 before. Really weird...
Click to expand...
Click to collapse
What recovery image are you running? You are not the only one that had this problem. I am trying to piece this together.

Freezing and other issues. Please help.

Running an Australian N9005.
I was running Temaseks unofficial CM11 build just fine. Got bored and wanted to go back to a more Samsung styled phone.
Decided to flash X-Note. As I'd used it before CM11. It worked fine then.
Attempted to flash X-Note but it wouldn't boot, stuck at initial screen with the Kernel warnings at the top of the screen. Was told it was because I hadn't got the new 4.4 bootloader.
I was told to follow the instructions here: http://forum.xda-developers.com/showpost.php?p=46223545&postcount=2
Which I did.
Using these download links and instructions: http://forum.xda-developers.com/showthread.php?p=49931269
That fixed the boot issue. I suppose I'm not on the 4.4 bootloader.
However when I booted up the stock Polish ROM, the initial Samsung Setup Wizard would crash at the end of the setup and force me back to the start of the setup. Tried ignoring it and just flashing the custom recovery and then XNote. Same issue, the setup wizard in XNote crashes as well.
Someone then told me I should try repartitioning the device using a PIT. I don't know what that is, but it was suggested.
Using this ROM: https://mega.co.nz/#!QVwlVDgJ!QyAxmDMcsIA-56cX_28Ua2aPZLcJATVvdM07LOs0V10
And this PIT: http://forum.xda-developers.com/showpost.php?p=50614669&postcount=77
Completes successfully.
Same issue............... That being a third separate ROM (official? at that)....
Samsung Setup Wizard crashes...
I even tried flashing XNote and removing the setup wizard just to get past it. That fixes it for about 10 minutes or so. After about 10 minutes of use the phone freezes and I have to hold the power button to force it to restart. If I leave the phone off, it still freezes, as soon as I try to unlock it it freezes and need to force restart.
I really don't know what to do now... Any help guys? I'm trying my best here...
Please, if you need any more information, please ask.

Might not help, but have you wiped your phone clean using custom recovery ( data,cache, dalvik, internal sd ) before flashing xnote or factory reset on recovery when on stock?

Do you have reactivation lock enabled?
Sent from my fingers to your face using my Samsung Galaxy Note 3!

hey_joe said:
Might not help, but have you wiped your phone clean using custom recovery ( data,cache, dalvik, internal sd ) before flashing xnote or factory reset on recovery when on stock?
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Click to collapse
Yes.
nicholaschum said:
Do you have reactivation lock enabled?
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Click to collapse
No.

This has puzzled me, not sure why it's still acting up especially after re-partitioning and flatlining everything.

radicalisto said:
This has puzzled me, not sure why it's still acting up especially after re-partitioning and flatlining everything.
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Click to collapse
Yes indeed. I'm very confused...

So... I don't want to get ahead of myself, but my phone seems to have sorted itself out...
I decided to just send it back to the carrier to get it replaced. So I decided to just flash the official Firmware again. (I accidentally left repartition ticked)
Once it started I thought... Oh ****... But I was sending it back anyway so who cares. (the carrier said they will just swap it for me if they can see it not working)
So I let it finish and turn it on to see what happens, run through the setup to make sure it still crashes at the same spot so I can show them... and it doesn't crash... wtf?
So I flash the custom recovery and XNote... And it seems to be working now. Now freezing, no nothing... I... I don't know...

Crazy, least it appears somewhat sorted lol

radicalisto said:
Crazy, least it appears somewhat sorted lol
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Click to collapse
So far, yeah... I think I got the runt of the litter or something... Haha

Reynbow said:
So far, yeah... I think I got the runt of the litter or something... Haha
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Click to collapse
Just out of curiosity, as I see you have an AU model, did you buy it from Kogan? -- Reason I ask is that they used HK firmware on some models and HK models have issues flashing normal firmware (similar to the issue you had)

radicalisto said:
Just out of curiosity, as I see you have an AU model, did you buy it from Kogan? -- Reason I ask is that they used HK firmware on some models and HK models have issues flashing normal firmware (similar to the issue you had)
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Click to collapse
Not from Kogan, no. From Optus. Pretty standard.

What caused the soft brick?

Ok, I sold my S4 i9505 (rooted and stock firmware 5.0.1) on evilbay and it was working perfectly when I sent it. 10 days after it got to the buyer they say it won't boot and want to return the phone. I'm extremely suspicious and would like to know if it is possible to find out if they have installed something they shouldn't have. A phone doesn't suddenly soft brick itself or does it?

schnurrbidurr said:
Ok, I sold my S4 i9505 (rooted and stock firmware 5.0.1) on evilbay and it was working perfectly when I sent it. 10 days after it got to the buyer they say it won't boot and want to return the phone. I'm extremely suspicious and would like to know if it is possible to find out if they have installed something they shouldn't have. A phone doesn't suddenly soft brick itself or does it?
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Click to collapse
What does he mean with wont boot. The phone doesnt even turn on or he gets bootloop at samsung logo etc..?

obol2 said:
What does he mean with wont boot. The phone doesnt even turn on or he gets bootloop at samsung logo etc..?
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Click to collapse
I assume bootloop, because she said it was "constantly stuck in re-boot" . She apparently managed to get into Recovery Mode. I haven't got the phone back yet, but wanted to make sure I got all the info beforehand.

schnurrbidurr said:
I assume bootloop, because she said it was "constantly stuck in re-boot" . She apparently managed to get into Recovery Mode. I haven't got the phone back yet, but wanted to make sure I got all the info beforehand.
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Click to collapse
Have you done a full wipe before you give it away? Maybe wiped the system partition?

aboodyaiman said:
Have you done a full wipe before you give it away? Maybe wiped the system partition?
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Click to collapse
I did a full factory reset and did a quick test boot afterwards - all was ok. I may have wiped the cache partition but I'm pretty certain that that I didn't delete the system partition.

Does it has guarantee? When yes how long it left.
If you get the phone back I would flash a stock rom from sammobile with Odin, reboot and if it comes to the setup wizard you can give it her back .

obol2 said:
Does it has guarantee? When yes how long it left.
If you get the phone back I would flash a stock rom from sammobile with Odin, reboot and if it comes to the setup wizard you can give it her back .
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Click to collapse
Ultimately that's what I'll do, but I won't be sending it back to her. I'm already £££s out of pocket.
Honestly, I think she played about with it and messed it up. It took her 10 days to contact me. And since I booted the phone to the setup screen before I shipped it and it was working fine.
But I would like to know if it's possible to find out if and what she did and subsequently prove that