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Old July 10th, 2012, 07:52 AM   #1 (permalink)
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Unhappy SOD - Sleep of death - SGS2

Hi,

Since around 2 months I started to get this issue in my SGS2. Gets into deep sleep and doesn't wake up on incoming calls or messages or by pressing any of the buttons. Only available option is to keep the Power button pressed for 10 sec to restart it.
Strange thing, although it doesn't answer to any command the phone is connected to the network, people are calling and for them is ringing and no answer. But for me nothing showing and after restarting there is no log of the calls or messages received during this SOD stage.
It doesn't happen everyday, like 1-2 times a week, but is very annoying to check continuously on your phone to be sure is still working.
Anyone has any idea what it is or how to solve it? Tried to find a solution by searching forums, but nothing.

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Old July 10th, 2012, 08:03 AM   #2 (permalink)
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What kernel are you running?
Are you undervolting?
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Old July 10th, 2012, 08:09 AM   #3 (permalink)
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Quote:
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What kernel are you running?
Are you undervolting?
Yesterday I flashed speedmod k3-24, to check it up and today i got the SOD.
I happens even with Siyah and Cf-root. Changed 3-4 roms without result.
No undervolting no extra settings. Whatever is coming by default with the kernel is in place.
Drives me nuts.

* Apps running: Juice defender, eCID, 3G Watchdog, Smart Stay Ex (late addition so no blame on his one).
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Old July 10th, 2012, 08:40 AM   #4 (permalink)
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Juice defender isn't recommended particularly. It can cause more drain that it saves.
If you are on ICS you dont need 3g Watchdog, as this functionality is inherent in the OS.

Try wiping cache+dalvik.
Install Siyah 3.3.2 (3.3.3c is latest, but I know for a fact 3.3.2 is rock stable)
Activate "battery" profile in ExTweaks (paid version) or CWM Recovery (non-paid)

Then see how this setup fares.

What firmware/ROM are you on by the way?
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Old July 10th, 2012, 09:24 AM   #5 (permalink)
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I'm using JD mostly to turn on and off WiFi & Data as my phone is connected to the company mail. Watchdog is just for keeping track of the usage, changing roms can`t keep record of the usage.

Tried wiping cache&dalvik, no help. It happened with siyah 3.3.2 once, but i`ll give it one more try.

I`m on NeatRom Lite 1.2, baseband LPX.

Here 2 screenshots: Android Forums - dramed's Album: Screenshots
one with phone infos & one where you can actually see the phone status & battery drop in the SOD state.
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Old July 10th, 2012, 02:26 PM   #6 (permalink)
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Have you tried installing CPU Spy? Pretty sure it won't solve your problem but it might give you an indication of what's going on.
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Old July 10th, 2012, 02:53 PM   #7 (permalink)
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Have you tried installing CPU Spy? Pretty sure it won't solve your problem but it might give you an indication of what's going on.
I have CPU spy, unfortunately doesn`t help to much in this situation.After restarting the values are resetting.

It seems that the phone just hangs itself in the deep sleep phase. Although if you see the screenshot i posted it shows that it is fully awake at that time.

Puzzling...really
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Old July 10th, 2012, 03:12 PM   #8 (permalink)
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Hmm, was hoping that you could see if the phone was running on the higher states. It's so sporadic that it might even be a hardware issue. Puzzling indeed, have you tried doing a factory reset. Do a nandroid backup first though.
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Old July 11th, 2012, 08:11 AM   #9 (permalink)
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Just got another SOD today.
Same ROM: NeatRom Lite 1.2
Kernel: Siyah 3.3.3c

Really strange...
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Old July 11th, 2012, 09:43 AM   #10 (permalink)
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I have had this problem myself....happily sitting in work thinking I had loads of battery left then it would crash and the battery would decline by a good 30%

It seemed to me that this happened when I was putting my phone through its paces and multitasking. I changed my stock battery so that could be taken out of the equation.

I don't know the solution but one thing that has helped me is using Jkay to select "long press back button to kill foreground app" I haven't had one since

Just a suggestion
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Old July 12th, 2012, 05:43 AM   #11 (permalink)
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I have Jkay d`Lux installed , no help either.
Actually looks like the problem is becoming worse. Last night I charged the phone, took it out of charger by 22:54 hrs. In the morning I woke up (luckily I got up before the alarm time) to find my phone on get on. tried to press Power btn for 10 sec, nothing. Plug it in charger, turned it on, battery 0% . In 7-8 hrs of supposed deep sleep my phone went from 100% to 0%.
Might be the time to switch to a different brand or model if i cand solve this problem.
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Old December 12th, 2012, 05:14 AM   #12 (permalink)
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I have the same problem. Can you hslpe me?
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Old December 12th, 2012, 10:10 AM   #13 (permalink)
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Originally Posted by cristianu View Post
I have the same problem. Can you hslpe me?
Can you give little more infos: kernel, android version..??
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Old December 12th, 2012, 10:54 AM   #14 (permalink)
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Notsure

Same happens to me and it is unacceptable.

This happened the first day I got my phone before even charging it. So it has nothing to do with later installed apps.

Has anyone tried with a different battery to see if it is caused by the battery?

As the screenshots show, there is a massive battery drop when this happens.

I have a Galaxy s2, GT-I9100 Android version: 4.0.4 Kernel version: 3.0.15-1056084



As you can see, it even happened twice in a day recently.

I just want to know actually if this is a common problem for Android ICS and it will disappear after the Jelly Bean is out.

OR if this is not happening to everyone, so I should send my phone or battery to service.
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Old December 12th, 2012, 11:11 AM   #15 (permalink)
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Hello and welcome to Android Forums mckocak!

Yours is not a SOD, (Screen Of Death), problem but rather a battery calibration problem that is experienced by new, and old, users and those who flash ROM's.

Battery calibration on the Samsung Galaxy S2 is automatic but you can reset it by following the guide, here. Then just give it a few charge cycles to settle down.
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Old December 12th, 2012, 11:33 AM   #16 (permalink)
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Thank you ironass! :-)

I will try it right now.
Tough I am not sure, because I also get my screen closed, phone gives no response to any button, except when I press and hold the power button for around 10 seconds. (Or taking out and putting the battery back in) Then the phone is able to restart.

And I didn't flash ROM. The phone is brand new, and it is confusing for me that when it is this new, making such a fatal problem. :-/

I will try the battery calibration and let you guys know how it looks.

Best,
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Old December 12th, 2012, 01:36 PM   #17 (permalink)
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Hi mckocak,

I used to have exactly the same issues and yes after restarting the phone a drop of 15-25% in battery was always present. During few hours though I could see that the battery percentage was increasing like charging without the phone being plugged.
Didn`t get to the roots of the problem, I just flashed a different version of NeatROM (LPI if i remember) and re-installed all the apps with titanium without the data. Problem solved.
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Old December 12th, 2012, 01:42 PM   #18 (permalink)
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It isnt a problem as such. Its one of the quirks of having a fuel gauge chip that never requires calibration (at least through software). However, it can lose track occasionally on a power off, whereby it will slowly creep back up to its true level when left idle.
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Old December 14th, 2012, 01:44 AM   #19 (permalink)
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I think i solved. I have first 36 hours without sod.... i think android don't know to do battery calibration. And after manual calibration my s2 with jelly bean is moving like i never think...
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Old December 16th, 2012, 01:52 PM   #20 (permalink)
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Battery calibration did not solve the problem.
And actually after the process, my battery is draining now definitely faster. It used to go 2 days with my use. Now it goes only 1. It think the process suggested by ironass on that forum only destroyed the calibration.

So as the images show, it happened again.
The screen going black and no buttons working.

But I realize this has nothing to do with battery because when the phone blacked out I was listening to radio and it was working. When I tried to stop the audio from the headset button, then I realized the phone was not responding. So I restart.

Bit now it happened in 1 hour 2 times and it is annoying as hell. I really do hope it is about android version and when finally the official jelly bean is out all will be solved.

I don't want to flash a custom rom since the phone is not even 1 month since purchase.

Maybe I just call samsung and ask what they can say about this? I mean, a steady working phone is the most basic thing that I expect from a big brand in 2012 for the money I pay.



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Old December 16th, 2012, 02:42 PM   #21 (permalink)
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@mckocak - Just wondering, did you ever attempted any Factory Reset with the device before using it?

I had those issues you're experiencing eversince Gingerbread to ICS... and performing a complete factory reset (resetting firmware, erasing the built-in USB storage and even formatting the external SD card) after backing up all my data to my computer - especially after experiencing issues after upgrading to an official firmware using KIES seems to have solved many of the problems... I rarely get those issues anymore. (for your case, you may have not done any firmware upgrades, but the principal idea behind my suggestion is still valid, that you're ensuring the phone is reset to its brand-new state; reducing any glitches and errors - either by conflicting firmware settings or conflicting software applications installed)

If you do decide to try and attempt doing this, I suggest you save most of your personal data using KIES (if its working) and begin noting down those free and paid apps that you've installed (together with their repurchasing/reinstallation policies in case you've purchased apps in the Google Play store) as KIES might not be saving those applications nor the data contained in them. You'll need to go to Google Play store once your phone is reset, and either re-download or repurchase/reinstall them and re-import your applications data (if the app has an export/import feature). The less apps/paid apps you have on your phone, the faster this procedure is.

If this is all too much a hassle, then its best to wait for the upcoming JB official release and see if the next update does fix your issue.
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Old December 16th, 2012, 11:19 PM   #22 (permalink)
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Quote:
Originally Posted by mckocak View Post
Battery calibration did not solve the problem.
And actually after the process, my battery is draining now definitely faster. It used to go 2 days with my use. Now it goes only 1. It think the process suggested by ironass on that forum only destroyed the calibration.
The calibration process described by ironass and suggested to you by Hawker is working. I did it myself. As for your problem it might not be a battery issue as it wasn`t for me.
Take naith_kk suggestion, save your personal data and do a factory restore (reset your phone to basic state). Don`t install any app from Google Play or from anywhere for about 2-4 days, try to keep& use only the apps installed by default and use your phone as a phone only, meaning that you`ll just have your contacts and other basic features; you`ll survive believe me .
If nothing goes wrong during this time (no SOD), try to put back your apps one at a time (and again follow ironass & Hawker advises to restore only the apps without their data, in case you used a backup), and wait at least one day between installations. You`ll have to be patient if you wanna nail down the culprit.
Good luck.
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Old December 17th, 2012, 01:37 AM   #23 (permalink)
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So... after battery calibration... i have again same situation described in this pictures... maby i have to send the phone in warranty ?
Attached Images
File Type: jpg uploadfromtaptalk1355729838177.jpg (37.2 KB, 15 views)
File Type: jpg uploadfromtaptalk1355729846842.jpg (49.6 KB, 14 views)
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Old December 17th, 2012, 06:16 AM   #24 (permalink)
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Thanks for the advice guys,

I can also try to factory reset but the thing is, the first day I had the phone out of its package, no apps installed at all, this issue happened.

It happened again then in one week, where there were still no apps installed at all and the phone was just as it came out of factory. :-(
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Old December 17th, 2012, 04:06 PM   #25 (permalink)
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I think is battery issue... after new year hollyday i'll send in warranty...
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Old January 9th, 2013, 03:25 PM   #26 (permalink)
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There is 2 way to fix sleep of death (SoD) without repartitioning (erasing) your sdcard.

1. Install Amon RA Recovery :
Boot into recovery and run Repair SD:ext
İf you are using windows, you can use calling GParted software.

2. Use your phone without Sd Card if big storage not matter for you.

Best Wishes.
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Old January 9th, 2013, 03:36 PM   #27 (permalink)
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1. Install Amon RA Recovery
There's an Amon_Ra recovery for the Galaxy S2? That's news to me.... I've got his v1.62 on my HTC Hero but I can find no mention of a Samsung version anywhere.

Quote:
2. Use your phone without Sd Card if big storage not matter for you.
The presence (or otherwise) of an SD card has no bearing on this SOD issue, trust me.
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Old January 10th, 2013, 07:29 AM   #28 (permalink)
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Quote:
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The presence (or otherwise) of an SD card has no bearing on this SOD issue, trust me.
I concur.
Tried to remove/replace the SD card without benefits.
Well....since JB......no more issues.
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Old January 11th, 2013, 07:02 PM   #29 (permalink)
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Maybe.. You are right. I've tried a lot of things. Problem is Sd Card or Not, Im not sure. But, Im using My phone about 3 days without SOD. Do you have any idea ?

Note : I install new software 3 days ago. İts name "Load Monitor" . I think it may be related to this.
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Old January 12th, 2013, 11:43 AM   #30 (permalink)
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Quote:
Originally Posted by OSGOLOT View Post
Maybe.. You are right. I've tried a lot of things. Problem is Sd Card or Not, Im not sure. But, Im using My phone about 3 days without SOD. Do you have any idea ?

Note : I install new software 3 days ago. İts name "Load Monitor" . I think it may be related to this.
If the software you installed or any other software /setting on the phone will prevent the CPU to enter "Deep Sleep" Mode, you will not get the SOD anymore. So you can check with "CPU Spy Plus" and "Better Battery Stats" to see if your processor gets into Deep Sleep or not.
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Old January 15th, 2013, 11:45 AM   #31 (permalink)
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Quote:
Originally Posted by dramed View Post
If the software you installed or any other software /setting on the phone will prevent the CPU to enter "Deep Sleep" Mode, you will not get the SOD anymore. So you can check with "CPU Spy Plus" and "Better Battery Stats" to see if your processor gets into Deep Sleep or not.
Thank for reply, I understand, you are right. But, I have SOD after 4 days. I try many rom (stock and custom) but, I have still this problem. Im using load monior app and I don't have another idea.

And last question : What is SOD problem source ? Software Or Hardware...
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Old January 17th, 2013, 06:35 AM   #32 (permalink)
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Hi all,

I have had the same issue with my S2. I am on to my second one in about nine weeks. Vodafone sent the first one away for repair, but an install of the current software didn't solve the issue. I managed to get a swop, but the problem persisted. As soon as I took both phones out the box, the issue started. I got so fed up that I sent the phone back to Samsung, who sent a prepaid envelope. The phone is being delivered to me today, so if I have any further information, I will post on here.

It is just so frustrating because it's a great phone, other than this issue!
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Old January 27th, 2013, 07:42 AM   #33 (permalink)
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Hi;

Im flash my phone with Dorimanx v.7.41 kernel. And Happy End I don't have SOD problem about 8 days. Dorimanx Kernel settings is default.

I think, "Doimanx Kernel" change to settings in Deep Sleep, Im not sure. But its solution for me.
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Old January 27th, 2013, 11:46 AM   #34 (permalink)
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Hi,

I was suffering from the same SOD problem. Tried lot's of things but nothing helped.

Luckely I came acros this forum.
I've installed the "Load Monitor" like suggested and my SOD problem was solved immediately!!!

Many thanks for the great tip!

Note:
Samsung itself, which I contacted initially, was not very helpfull...
A lot of crap can be found about this problem on different forums.

A shame since the solution seems to be that simple.
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Old February 13th, 2013, 12:52 AM   #35 (permalink)
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Default Galaxy S2 goes to sleep - SOD

Another app that has been working for me is WiFiKeepAlive. As long as KeepAlive is running the phone hasn't gone off; it's been three weeks now. Good luck !!
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Old February 14th, 2013, 02:08 PM   #36 (permalink)
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Hi just sharing my s2 issue.

I received my Samsung S2 from Virgin Mobile. First day receiving the mobile I left it off to charge too full. After two hours of switching my mobile phone on the first of many SODs appeared. No apps had been installed by then and have tried everything possible online to gain a reliable phone.

I don't want to install third party apps that hog my battery. However an app called "shake screen" ain't too bad. Does not suck up as much battery as the other apps I have used such as "load monitor". In options make sure battery saver is on and that helps. Lasted to four days without SOD; so far anyway. Use to get it once everyday.

A recent example of SOD: Had my phone on with the radio and speaker on. Went to check phone and screen would not turn on. Phone was still running radio still blasting throough. Prime example of SOD. Just would not wake up. Had to reset the phone.

It is incredible how this problem seems to be so wide spread. Virgin mobile take about 3 to 4 weeks to asses phone and "fix" it. So going to wait till JB comes out and asses if it eradicates the problem. If it does not then gonna be sending my phone back to Samsung till its fixed. Don't care how long it takes. Totally unacceptable. Don't want a dodgy phone for 24 months.



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Old February 21st, 2013, 06:53 AM   #37 (permalink)
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try to use phone 1-2 weeks after you flashed a new kernel. I had this issue with more than 10 kernels and I decide to left them alone. after 2 or 3 sods my phone work great... no lag, no problem like first two weeks after flash.
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Old March 18th, 2013, 06:27 AM   #38 (permalink)
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Angry S2 Sleep of death

My Original S2 didn't suffer from this problem, but this suddenly died in December and I was sent a replacement by Orange. Within days I encountered issues with the phone switching off and asked for another replacement. This also stared randomly switching off, but Orange said that the chances of two phones having this issue were remote (ha ha) and that it was a fault with my SD card.

Over the last three months, I have been trying to resolve this issue by doing the following:

Replacing battery
Formatting SD card in phone
Formatting SD card in PC
Removing SD card altogether
Factory reset
Dalvik reset

Change ROM to Cyanogen 9
Change ROM to Cynaogen 10.1

Yesterday I upgraded to Cyanogen 10.1 and had no apps installed, other than Gmail and I still got the sleep of death, while the phone was on the table. Funnily enough, almost every time I get a SoD, once the phone comes back on, I have a new email alert.

So, my conclusion is either gmail is at fault (which I don't believe) or this is a hardware issue, not a software issue. I had heard that some JB users had cured this problem, but as there is no official JB ROM for the I9100P yet, Cyanogen 10.1 is all I could try and this did not fix the issue. I have even tried load manager, which simply ran my battery down faster and didn't stop the SoD.

I'm going to put the official Orange firmware back on my phone and send it back as the phone is clearly not fit for purpose, but it seems that Samsung are not acknowledging that there is a fault here.

It's a real shame, because I really liked my first S2, but this constant powering off has put me off using Samsung phones again.
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Old March 18th, 2013, 06:44 AM   #39 (permalink)
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Yesterday I upgraded to Cyanogen 10.1 and had no apps installed, other than Gmail and I still got the sleep of death, while the phone was on the table. Funnily enough, almost every time I get a SoD, once the phone comes back on, I have a new email alert.

So, my conclusion is either gmail is at fault (which I don't believe) or this is a hardware issue, not a software issue. I had heard that some JB users had cured this problem, but as there is no official JB ROM for the I9100P yet, Cyanogen 10.1 is all I could try and this did not fix the issue. I have even tried load manager, which simply ran my battery down faster and didn't stop the SoD.

I'm going to put the official Orange firmware back on my phone and send it back as the phone is clearly not fit for purpose, but it seems that Samsung are not acknowledging that there is a fault here.

It's a real shame, because I really liked my first S2, but this constant powering off has put me off using Samsung phones again.
Hello and welcome to Android Forums Nasixi!

I am afraid that CyanogenMod 10.1 and 9 are responsible for your problems as there are numerous S.o.D. reports over on xda developers forum about this.

This is one of the hazards of flashing Nightly, experimental, builds as these are not intended for daily use. See, CyanogenMod CM10.1 ROM Android 4.2.

You could instead, try installing a stable ROM such as NEAT ROM and you should have no problems.
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Old March 18th, 2013, 06:52 AM   #40 (permalink)
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Hi

Thanks for your reply. I understand that 10.1 is not stable, however, the problems exist on the stock ROM, as supplied by Orange.

I'll give NEAT a go, as frankly I have nothing to lose at this stage, but I'm starting to believe this is a hardware issue with a certain batch of phones.
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Old March 18th, 2013, 07:01 AM   #41 (permalink)
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Hi

Thanks for your reply. I understand that 10.1 is not stable, however, the problems exist on the stock ROM, as supplied by Orange.

I'll give NEAT a go, as frankly I have nothing to lose at this stage, but I'm starting to believe this is a hardware issue with a certain batch of phones.
If the problem is appearing on the stock ROM and kernel over two different phones then you have a problem with your apps and settings.
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Old March 18th, 2013, 07:14 AM   #42 (permalink)
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Well, I'm installing NEAT now, so will not install any apps and see if I can get through 2 days without it turning off.
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Old March 18th, 2013, 07:27 AM   #43 (permalink)
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Well, I'm installing NEAT now, so will not install any apps and see if I can get through 2 days without it turning off.
That's the ticket!

So long as you do not have any app's or settings on your internal or external memories that could cause problems.

See, "The Full Monty".
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Old March 18th, 2013, 12:51 PM   #44 (permalink)
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That's the ticket!

So long as you do not have any app's or settings on your internal or external memories that could cause problems.

See, "The Full Monty".
And I will add, try with&without your SD card inserted.

Good luck.
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Old March 26th, 2013, 04:26 AM   #45 (permalink)
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Well, I'm installing NEAT now, so will not install any apps and see if I can get through 2 days without it turning off.
So, I've been running Neat for about a week now and up until yesterday, it was going fine. I was installing apps one by one and didn't have a SoD.

Yesterday I installed Swiftkey, Lastpass and Evernote (I needed the last two for work, so couldn't install one at a time!). Everything was fine for 7 or 8 hours, then my phone froze and I had to pull the battery. On reboot, the phone got stuck at the boot loader.

I restored a nandroid backup, and reinstalled the three apps. this morning, the phone rebooted and got stuck at the bootloader -it was also very hot and has lost 16% battery, so I'm assuming that one of the apps is somehow consuming a lot of CPU and causing the phone to overheat and shut down.

I've now removed Swiftkey (as I found a post about someone else seeing their S2 reboot with Swifkey installed) and will see if this cures the issue, if it does then I may have identified the app which causes the SoD, but will report back on my results.
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Old March 26th, 2013, 01:07 PM   #46 (permalink)
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I`m using Swiftkey and I have no issue. try also wiping your Cache& Dalvik cache.

Let us know if you find the app that SOD`s your phone.
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Old March 26th, 2013, 01:21 PM   #47 (permalink)
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I`m using Swiftkey and I have no issue. try also wiping your Cache& Dalvik cache.

Let us know if you find the app that SOD`s your phone.
Well, I did wipe the cache, factory reset, wiped Davlik cache and formatted system, before installing NEAT. I'm going to give it a couple of days, then try installing Swiftkey again and see what happens.
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