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

Hi all. I need help, I'm getting random reboots and I don't injure why.
I'm using stock ROM 2.3.4 with siyah kernel 2.6
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elegalll said:
Hi all. I need help, I'm getting random reboots and I don't injure why.
I'm using stock ROM 2.3.4 with siyah kernel 2.6
Sent from my GT-I9100 using XDA App
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Click to collapse
Can only suggest to reflash kernel or choose another, i found i get lock ups and reboots with siyah so i steer clear

Ausboy 2011 said:
Can only suggest to reflash kernel or choose another, i found i get lock ups and reboots with siyah so i steer clear
Click to expand...
Click to collapse
What kernel do you recommend with cwm and bln support?
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elegalll said:
What kernel do you recommend with cwm and bln support?
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Click to expand...
Click to collapse
hello! you can try a very good kernel by a Chinese , it's so wonderful
with cwm and bln and shutdown phone alarm clock
download---http://115.com/file/aqoumjvi#
the forum-----http://bbs.gfan.com/android-3001188-1-1.html

To fix usual lockups and FC's, you have to wipe your Cache partition and wipe your Dalvik cache from CWM Recovery.
For a good kernel, try Ninphetamine, it comes with CWM 4 and BLN support. Also try another great kernel called Void from http://forum.xda-developers.com/showthread.php?t=1357020

nicholaschum said:
To fix usual lockups and FC's, you have to wipe your Cache partition and wipe your Dalvik cache from CWM Recovery.
For a good kernel, try Ninphetamine, it comes with CWM 4 and BLN support. Also try another great kernel called Void from http://forum.xda-developers.com/showthread.php?t=1357020
Click to expand...
Click to collapse
I've tried ninphetamine, but bln never worked. I'm happy with this kernel, do if I clear those caches, them problem solved? Or I really need to change my kernel?
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Related

[Q] Flashing kernel to another kernel.. Need answer

Hello good day.
I would like to clarify if its ok to flash example ninephetamine kernel to speedmod kernel.
Im using exynos 3.4 gold master rom with ninephetamine kernel. Is it ok to flash my phone with speedmod or shoud i need to perform wipe data/cache and wipe dalvik cache before i can flash the speedmod.
Thank you for your reply.
Just flash the kernel on top, no need to wipe anything
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Thnx sir. I hope i wont get any errors along the way.

[Q]Hydra-h2o doesn't start

I would like to ask help from forum members. the problem is this, I have a samsung galaxy i9100 with LPQ rooted official rom and change it to Hydra-h2o v1.4.1 but will not start. hangs on the load of the kernel. When did you flash the rom wipe all concerned, but nothing happens. hopefully could help me. regards
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Menchathor said:
I would like to ask help from forum members. the problem is this, I have a samsung galaxy i9100 with LPQ rooted official rom and change it to Hydra-h2o v1.4.1 but will not start. hangs on the load of the kernel. When did you flash the rom wipe all concerned, but nothing happens. hopefully could help me. regards
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Click to expand...
Click to collapse
what i suppose is that there is a conflict between the rom and the kernel, what i would suggest you do is install a different kernel, like siyah or N.E.A.K
try this first tho
1) go into mount and storage then format system
2) get the latest siyah on ur SD card and flash it from recovery
3) try reinstalling hydra
coming to my house proves it. but yesterday I did that but left with a semibrinck ... I am not sure why that was. thank you very much for the answer
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Help Rooting Bell mobility Samsung galaxy s2 19100M

I am trying to root my recently updated Bell mobility samsung galaxy S2 I9100 running ICS 4.0.3, Baseband version I9100MUGLD3, Kernel Version 3.0.15-I9100MUGLD3-CL377577, Build Version IML74K.UGLD3. I Can't Find anything on these threads. Can someone help? Thanks in advance.
Ethanp said:
I am trying to root my recently updated Bell mobility samsung galaxy S2 I9100 running ICS 4.0.3, Baseband version I9100MUGLD3, Kernel Version 3.0.15-I9100MUGLD3-CL377577, Build Version IML74K.UGLD3. I Can't Find anything on these threads. Can someone help? Thanks in advance.
Click to expand...
Click to collapse
check the link below
Universal Rooting Method for ICS
Sun90 said:
check the link below
Universal Rooting Method for ICS
Click to expand...
Click to collapse
Awesome the link worked great. But it turns out my phone tested positive to the Emmc brick. So i now i don't want to flash anything lol.
Ethanp said:
Awesome the link worked great. But it turns out my phone tested positive to the Emmc brick. So i now i don't want to flash anything lol.
Click to expand...
Click to collapse
You're device is fine. I have the same thing and I've flashed hundreds of times. You just have to know what you're flashing and understand the basics
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kilometers4 said:
You're device is fine. I have the same thing and I've flashed hundreds of times. You just have to know what you're flashing and understand the basics
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Click to expand...
Click to collapse
I am familiar with flashing. I had the LG Optimus LTE before this and flashed quite a few roms, This phone however has me awfully confused. I have been researching all day. And so far i am under the understanding that the touch cwm are not good and the use the 4.0.1.5 recovery. But what i don't understand is how do you install roms without wiping data/factory reset through cwm? don't most roms require this? and isn't that what causes the superbrick? Sorry for sounding like a noob. but can you tell me how you do your flashing?
Ethanp said:
I am familiar with flashing. I had the LG Optimus LTE before this and flashed quite a few roms, This phone however has me awfully confused. I have been researching all day. And so far i am under the understanding that the touch cwm are not good and the use the 4.0.1.5 recovery. But what i don't understand is how do you install roms without wiping data/factory reset through cwm? don't most roms require this? and isn't that what causes the superbrick? Sorry for sounding like a noob. but can you tell me how you do your flashing?
Click to expand...
Click to collapse
Just use a different kernel, like siyah (www.gokhanmoral.com and make it's for the s2 not s3). Then you can wipe data. Just didn't not be on 4.0.4, and have a samsung based kernel (the kernel dev should have info in the op). Once you're on a safe kernel you can flash whatever you want and wipe data.
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kilometers4 said:
Just use a different kernel, like siyah (www.gokhanmoral.com and make it's for the s2 not s3). Then you can wipe data. Just didn't not be on 4.0.4, and have a samsung based kernel (the kernel dev should have info in the op). Once you're on a safe kernel you can flash whatever you want and wipe data.
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Click to collapse
Ok so i flash the kernel via odin? because my phone doesn't have cmw installed. Siyah-s2-v4.0.1.tar that is the kernel i am about to flash. Is it safe for my phone? also do i need to do a backup of my stock kernel?
Ethanp said:
Ok so i flash the kernel via odin? because my phone doesn't have cmw installed. Siyah-s2-v4.0.1.tar that is the kernel i am about to flash. Is it safe for my phone? also do i need to do a backup of my stock kernel?
Click to expand...
Click to collapse
Yeah, you should be able to flash through Odin. And you can flash back to stock by getting a stock firmware from www.sammobile.com and flash through Odin
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Ethanp said:
Awesome the link worked great. But it turns out my phone tested positive to the Emmc brick. So i now i don't want to flash anything lol.
Click to expand...
Click to collapse
How do you test for Emmc brick?
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Spacemonkie4207 said:
How do you test for Emmc brick?
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Click to collapse
Go to this page, http://forum.xda-developers.com/showthread.php?t=1693704 and download and install the gotbrickbug apk
kilometers4 said:
Yeah, you should be able to flash through Odin. And you can flash back to stock by getting a stock firmware from www.sammobile.com and flash through Odin
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Click to collapse
So I did what you told me too. And went ahead and flashed a custom kernel (Siyah 4.0.1) and tried installing salman ics rom. and now i have a never ending boot loop.. any suggestions?
Ethanp said:
So I did what you told me too. And went ahead and flashed a custom kernel (Siyah 4.0.1) and tried installing salman ics rom. and now i have a never ending boot loop.. any suggestions?
Click to expand...
Click to collapse
Did you wipe data when you installed it? It's usually highly recommended
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kilometers4 said:
Did you wipe data when you installed it? It's usually highly recommended
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Click to collapse
Yes I wiped data, cache and dalvik cache. Couldn't get into recovery so i just re-flashed my firmware via odin. All is good now and successfully flashed cm9 with no issues. Must have been a bug in the rom.

Cm9 9.1.0 flash siyah kernel v4.1.2.

I have a rooted galaxy s2. I have Cm9 + gapps installed with stock Cm9 kernel!
I want to overclock, and I saw the siyah v4.1.2..
I read a lot of forums but I wanna to be a save as possible, and now I am here
My question is!
1. Is it possible to flash this kernel treu cwm?
2. Does the kernel support Cm9 and my galaxy s2 i9100?
3 how to flash is? ( clean dalvic and some other thing, then just install the zip file treu cwm? Is this right?)
4 are there any known problems with this kernel? (working on cm9)
5 what are the risk?
6 last but not least: can I now overclock with siyah v4.1.2. Yes? How much? .
Irrelevant..........
The first time I saw cm9 I thought omg I want to have it. Almost I year later, I found my balls again! I read every post every step and finally I got it rooted ( with Odin insecure kernel that matched mine!) I thought this is the beginning of cm9 "jeej". Then I saw my third ball rolling over the floor! So I downloaded cm9 + gapps put is on my internel sd. First I did wipe data dalvic and all that for 2 times! Then flashed cm9 then gapps! I rebooted and "jeej" I got cm9! I think I got it now for uhm 3 days or so. But there is one last thing I wanna do and then the Storry is compleet. I wanna overclock. I know how to flash but I need to be 99,9% sure (1% you can always **** up) how to do it!
Normally I am not someone who post but read.
Thx in advance
Nextrow
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nextrow said:
I have a rooted galaxy s2. I have Cm9 + gapps installed with stock Cm9 kernel!
I want to overclock, and I saw the siyah v4.1.2..
I read a lot of forums but I wanna to be a save as possible, and now I am here
My question is!
1. Is it possible to flash this kernel treu cwm?
2. Does the kernel support Cm9 and my galaxy s2 i9100?
3 how to flash is? ( clean dalvic and some other thing, then just install the zip file treu cwm? Is this right?)
4 are there any known problems with this kernel? (working on cm9)
5 what are the risk?
6 last but not least: can I now overclock with siyah v4.1.2. Yes? How much? .
Irrelevant..........
The first time I saw cm9 I thought omg I want to have it. Almost I year later, I found my balls again! I read every post every step and finally I got it rooted ( with Odin insecure kernel that matched mine!) I thought this is the beginning of cm9 "jeej". Then I saw my third ball rolling over the floor! So I downloaded cm9 + gapps put is on my internel sd. First I did wipe data dalvic and all that for 2 times! Then flashed cm9 then gapps! I rebooted and "jeej" I got cm9! I think I got it now for uhm 3 days or so. But there is one last thing I wanna do and then the Storry is compleet. I wanna overclock. I know how to flash but I need to be 99,9% sure (1% you can always **** up) how to do it!
Normally I am not someone who post but read.
Thx in advance
Nextrow
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Click to expand...
Click to collapse
1. Yes, you can flash it via CWM recovery. You must however download the zip format of the kernel.
2. Siyah kernel supports CM9 and GT I9100
3. -boot to CWM recovery
-wipe cache partition
-wipe dalvik cache
-flash kernel
-reboot phone
4. You have to test this yourself, many people here on XDA, are using this kernel with CM9. If you eventually don't like the kernel, you can flash another one.
5. If you follow institutions, there are no risks at all.
6. Siyah kernel supports overclocking up to 1.6GHZ (please check Siyah thread to confirm this).
After flashing Siyah kernel,
- Download EXTWEAKS from playstore.
- this is the official tweak app for Siyah kernel and You can overclock with it.
Swyped from my Galaxy SII
Thank you so much!
I did wipe cach and dalvic 2 times flash the kernel and done!
All ready overclock to 1.4!
Thank you thank you thank you!!
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nextrow said:
Thank you so much!
I did wipe cach and dalvic 2 times flash the kernel and done!
All ready overclock to 1.4!
Thank you thank you thank you!!
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Click to collapse
You are welcome
Swyped from my Galaxy SII
Sorry, one more question....
I got the app extweak. And I overclock cpu and gpu but system freezes!
When I rebooted, the settings were still very high.
Question: is it possible that when system reboots, that the default settings return? (in extweak)
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nextrow said:
Sorry, one more question....
I got the app extweak. And I overclock cpu and gpu but system freezes!
When I rebooted, the settings were still very high.
Question: is it possible that when system reboots, that the default settings return? (in extweak)
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Click to expand...
Click to collapse
in case you face problems/bootloops, after using extweaks (wrongly), try this:
-boot to CWM recovery
-kernel specific options
-reset extweaks profile
-remove all files from init.d folder
-reboot phone
Done.
Ps: Clicking on the THANKS button after helping, keeps my motivation going forward
Swyped from my Galaxy SII
Thank you! It worked! Thank you!
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I installed siyah v4.1.2.
When a new version is out, is it possible to flash over it jusing cwm?
And do I need to wipe dalvic and cach again?
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nextrow said:
I installed siyah v4.1.2.
When a new version is out, is it possible to flash over it jusing cwm?
And do I need to wipe dalvic and cach again?
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Click to expand...
Click to collapse
did you mean new version of Siyah or CM9?
If you are taking about Siyah, then do this, when flashing new version:
-boot to CWM recovery
-wipe cache partition
-wipe dalvik cache
-kernel specific options > Reset extweaks profile (your extweaks settings will be deleted)
-flash kernel
-reboot phone
Swyped from my Galaxy SII
Thank you, very useful
And what about trying to flash a new kernel from a other dev.
Is it still the same method?
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nextrow said:
Thank you, very useful
And what about trying to flash a new kernel from a other dev.
Is it still the same method?
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Click to expand...
Click to collapse
There are two ways:
1. The method above (in my previous post)
2. Download kernel cleaning script here: forum.xda-developers.com/showthread.php?t=1363738
Kernel cleaning script, cleans all the trace of your previous kernel before flashing the new one
-boot to CWM recovery
-flash kernel cleaning script
-flash new kernel
-reboot phone
Note: if your kernel doesn't support extweaks, then you have to uninstall extweaks just before/after flashing the new kernel.
Swyped from my Galaxy SII
Thank you!
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Jokesy said:
did you mean new version of Siyah or CM9?
If you are taking about Siyah, then do this, when flashing new version:
-boot to CWM recovery
-wipe cache partition
-wipe dalvik cache
-kernel specific options > Reset extweaks profile (your extweaks settings will be deleted)
-flash kernel
-reboot phone
Swyped from my Galaxy SII
Click to expand...
Click to collapse
In my experience you can flash a new version of the kernel without wiping anything unless the release notes say otherwise.
In fact the same is generally true of new versions of a ROM (including CM9). The same is not true of different ROMs however, where it's usually recommended to wipe the cache partition, Dalvik cache and all data to avoid boot loops and crashes.
Happy_Jack said:
In my experience you can flash a new version of the kernel without wiping anything unless the release notes say otherwise.
In fact the same is generally true of new versions of a ROM (including CM9). The same is not true of different ROMs however, where it's usually recommended to wipe the cache partition, Dalvik cache and all data to avoid boot loops and crashes.
Click to expand...
Click to collapse
Safest, clean method of flashing anything, ensures best stability & performance with new ROM/kernel
For example, From CM9 instruction page:
Upgrading from earlier version of CyanogenMod 9:
- Copy CM9 ZIP to your internal SDCard
- Boot into Recovery
- Flash CM9 zip
- Wipe cache partition and dalvik-cache
- Reboot
Click to expand...
Click to collapse
Swyped from my Galaxy SII
Jokesy said:
Safest, clean method of flashing anything, ensures best stability & performance with new ROM/kernel
Click to expand...
Click to collapse
Safest, clean method of wasting time.
http://forum.oxygen.im/viewtopic.php?id=1325
I got cm10 with gapps and latest siyah kernel!
My question!
How to install gapps. I allready got gapps how to install new gapps? Just install gapps treu cmw and done?
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nextrow said:
I got cm10 with gapps and latest siyah kernel!
My question!
How to install gapps. I allready got gapps how to install new gapps? Just install gapps treu cmw and done?
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Click to expand...
Click to collapse
flash Gapps after flashing CM10.
Swyped from my Samsung Galaxy SII
Supercharged ParanoidAndroid 2.12
Dorimanx kernel 5.76B
GT I9100
Next phone: Galaxy NOTE II
Zo i need to flash cm10 again? With gapps?
Its not possible to flash gapps alone?
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Zo i need to flash cm10 again? With gapps? <br />
<br />
Its not possible to flash gapps alone?<br />
<br />
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Click to expand...
Click to collapse
Ok. There is no need to flash CM10 again.
Flash Gapps
Wipe cache partition
Wipe dalvik cache
Reboot phone
Swyped from my Samsung Galaxy SII
Supercharged ParanoidAndroid 2.12
Dorimanx kernel 5.76B
GT I9100
Next phone: Galaxy NOTE II
Thx
Sent from my GT-I9100 using xda premium

[Q] Kt kernel to Faux kernel?

Noob question.... i am currently using Kt's kernel and would like to try Faux's kernel..... can i just flash Faux kernel over Kt's or do i have to wipe and then flash a new kernel?.... or flash back to the stock kernel then on to a different kernel?
Thanks in adavnce
AristoMAtt said:
Noob question.... i am currently using Kt's kernel and would like to try Faux's kernel..... can i just flash Faux kernel over Kt's or do i have to wipe and then flash a new kernel?.... or flash back to the stock kernel then on to a different kernel?
Thanks in adavnce
Click to expand...
Click to collapse
Reboot recovery. Flash. Reboot.
Sent from my Nexus 7 using Tapatalk HD
najaboy said:
Reboot recovery. Flash. Reboot.
Click to expand...
Click to collapse
So just flash Faux over the Kt kernel i have installed already in recovery mode?
AristoMAtt said:
So just flash Faux over the Kt kernel i have installed already in recovery mode?
Click to expand...
Click to collapse
@ least wipe dalvik cache before flashing new kernel.
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Excellent! Thanks for the help! :good:
Redacted. Posted to wrong thread.
Sent from my SCH-I545 using Tapatalk 4 Beta
And fix permissions too right??
AristoMAtt said:
And fix permissions too right??
Click to expand...
Click to collapse
Don't need to fix permissions.
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Utorrent76 said:
@ least wipe dalvik cache before flashing new kernel.
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Click to expand...
Click to collapse
I never bother. Just makes the boot longer. I would only do it if you run into issues with an app, and even then I would just clear that app. But to each his own.
Ok. Thank you!

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