Brickbug question - Galaxy S II Q&A, Help & Troubleshooting

I'd been running an older version of Rootbox for about 2 months and had not been on the forums at all until the other day. I decided to flash a new ROM the other day and settled on the latest version of Wanam (V12.3 XWLPT) and it seemed great so i decided to keep it and flash Siyah 4.0.
The phone has been absolutely fine but after going in the Gen Discussion forum I saw all this stuff about 4.0.4 hard bricking phones and stuff. I downloaded the Emmc hardbrick test app and it reports that my chip is indeed Insane.
Even though the phone is running fine should I be concerned and should I switch to another AOKP rom?
Thanks

It sounds like at no point you've been using a Samsung 4.0.4 stock kernel or a CF-root kernel. If that's the case, you should be safe. Most custom rom kernels disable the feature that triggers the superbrick bug; most certainly it does not exist on newer Siyah kernels.
You really only need to exercise caution when going from a stock 4.0.4 installation to another. If you're running a dangerous kernel, wiping data partitions may brick the phone, but flashing a kernel is always safe, so to avoid any trouble, you can always flash eg. a recent Siyah kernel and then install the custom rom from the cwm recovery it provides.

Chousuke said:
It sounds like at no point you've been using a Samsung 4.0.4 stock kernel or a CF-root kernel. If that's the case, you should be safe. Most custom rom kernels disable the feature that triggers the superbrick bug; most certainly it does not exist on newer Siyah kernels.
You really only need to exercise caution when going from a stock 4.0.4 installation to another. If you're running a dangerous kernel, wiping data partitions may brick the phone, but flashing a kernel is always safe, so to avoid any trouble, you can always flash eg. a recent Siyah kernel and then install the custom rom from the cwm recovery it provides.
Click to expand...
Click to collapse
I went from Rootbox to Wanam via CWM doing Factory reset, wipe cache/dalvik and i believe Wanam installs Speedmod kernel by default.
Sounds like i should be OK?

Yes that's what I'm on now and no issues at all with speedmod although I'm trying new siyah kernal at the moment.
Sent from my GT-I9100 using xda premium

Goooober said:
I went from Rootbox to Wanam via CWM doing Factory reset, wipe cache/dalvik and i believe Wanam installs Speedmod kernel by default.
Sounds like i should be OK?
Click to expand...
Click to collapse
Yeah, that's fine.
Sent from my GT-I9100 using xda premium

Related

[Q] Kernel

Is it ok to flash a custom kernel on top of another custom kernel?
Sent from my GT-I9100 using xda premium
You dont need to revert on the original one before flash another custom. But you need to format dalvik cache and cache in recovery before flashing or you probably have a bootloop.
I suggest to make a backup of the rom in recovery, so If something goes wrong you can enter recovery and have the latest known working rom back in 2 minutes.
Please note flashing kernels always have a very small chance to corrupt your efs partition, its suggested to backup your efs folder before start play with roms and kernels. How to backup the efs, use the search tool of the forum
Sent from my GT-I9100 using Tapatalk
rembrandtlnx said:
You dont need to revert on the original one before flash another custom. But you need to format dalvik cache and cache in recovery before flashing or you probably have a bootloop.
I suggest to make a backup of the rom in recovery, so If something goes wrong you can enter recovery and have the latest known working rom back in 2 minutes.
Please note flashing kernels always have a very small chance to corrupt your efs partition, its suggested to backup your efs folder before start play with roms and kernels. How to backup the efs, use the search tool of the forum
Sent from my GT-I9100 using Tapatalk
Click to expand...
Click to collapse
Thanks for that. I know how to backup efs. Can i just use nitrality instead of ADB? To flash ROMs does it need to be in a specific firmware like sgsl or is it ok to have different firmware from the base of a custom rom?
Sent from my GT-I9100 using xda premium
I know my english sux sry:
Depends on the kernel but usually it is listed in the kernel thread the how to (odin or clockworkmod), clockworkmode is already on your phone if you rooted it with cf-root.
Now, to enter clockworkmod recovery, just push volume up + home + power button until the S2 bootlogo appears, then wait few seconds.
About the kernel type, i always flashed any kernel despite of my baseband, the difference is not so big.
if something is not working, you can always youse the nandroid backup (the backup done with the recovery cwm (up+home+power) and get back to the previous rom with previous kernel.
Im not really in the kernel "how to" someone else can prolly give you more detailed info, but as for me, i flashed ninphetamine 2.05 and 2.1.3 in cwm and it worked.
But.. as always, the kernel developers got a how to install in their kernel thread, so just read those and be sure about if you need odin or clockworkmod, if you are not sure, DONT flash anything until you are sure on how to proceed or wich system to use for flashing, better keep an old kernel with a working phone than have a brick to hold the papers
PS: also almost all the roms on the S2 forum are flashable with the clockworkmod, only few (like the lite'ning) are flashable with odin.
Again, i know im boring, dont proceed if you are not sure, better ask 10 times instead brick your phone
ephraim033 said:
Is it ok to flash a custom kernel on top of another custom kernel?
Yes not a problem flash as per the custom kernel instructions .
Kernel can be changed within an individual firmware or custom rom .
jje
Click to expand...
Click to collapse
Thanks for the reply guys. Coming back to my second question. What if i have KF1 and the rom i want to flash has a base of KI3, should i flash to stock KI3 first before flashing the custom rom or is it ok to flash a KI3 custom rom without flashing first to stock KI3?
Sent from my GT-I9100 using xda premium
The custom rom first, the kernel after.
I got the habbit to boot succesfully at least once the custom rom. If everything is ok i then flash the kernel. Better do 1 task at time.
You can decide to try the rom without change the kernel..and try a different one if you experience battery drain or other problems.
Sent from my GT-I9100 using Tapatalk
If i am on KH3 and want to flash a custom rom based on KI4 then i would flash stock KI4 and KI4 root first .
Custom rom flashed i will often try a different kernel later .
jje
from my experience
I have found that when i upgraded rom from gingerbread to ics that most custom kernals work with these roms ie now running with xxlpw ics (from gingerbread) with xwlp7 kernal. from what i have read on other posts and threads i could swap kernal to siya or any other as the mega good developers have made them (hotswappable) interchangeable as previous reply said swapping kernal might give you better battery or solve overheat probs.
Eg iwas running darkys rom with siya kernal v?something my phone rocketed temp in short time so i swapped kernal for an up to date one (could have used older one) it solved problem.
Anyone feel free to correct explination im still learning too lol
linuxnubee said:
I have found that when i upgraded rom from gingerbread to ics that most custom kernals work with these roms ie now running with xxlpw ics (from gingerbread) with xwlp7 kernal. from what i have read on other posts and threads i could swap kernal to siya or any other as the mega good developers have made them (hotswappable) interchangeable as previous reply said swapping kernal might give you better battery or solve overheat probs.
Eg iwas running darkys rom with siya kernal v?something my phone rocketed temp in short time so i swapped kernal for an up to date one (could have used older one) it solved problem.
Anyone feel free to correct explination im still learning too lol
Click to expand...
Click to collapse
I'll just point out this thread was dead since Sept 30 before you posted...

Little question about Siyah kernel 3.4.1

Is it safe from 'brick-bug'? (The CAP_ERASE, hardbrick when wipe data or restore from backup with 4.0.4)
Thanks
yes, siyah has disabled it in all his kernals.
good to know, thanks!
WOW
Nice bro, thank you for the straight answer. Man I been searching and studying this thing forever and finally found a person who gave a direct answer. Much respect from my side. I have flashed my phone hundreds of times with siyah kernel, the only kernel I ever use but the got brick bug app says I have an insane kernel. And so my never ending mission for a simple answer began. I use the xxlpq modem and yet some places suggest the xxlpq 'FIRMWARE' has the brick bug for sure. This whole kernel modem leaked official story confused the heck out of me. But now thankfully I have an answer but am still confused as a duck in a waterfall. If I am getting it correctly, a modem is different from a firmware when using siyah kernel and a custom rom, not an officially released rom? So when I use, let say PFittech 4.04 rom and xxlpq modem with siyah kernel, then I am safe because the creator of the awesome siyah kernel has not included the cap_erase robocop destroyer thingy?
However, if I had to try flash to stock and used cf root/odin and then flashed the xxlpq firmware(leaked or not), then it is relatively certain I will get hard bricked and ruine my year? Anyways, this flashaholic feels more at ease now. Thanks for your simple reply, it is rare these days.
PsyOr said:
Is it safe from 'brick-bug'? (The CAP_ERASE, hardbrick when wipe data or restore from backup with 4.0.4)
Thanks
Click to expand...
Click to collapse
Siyah kernel has disabled the cap_erase command, Yes.
If you are on stock ICS 4.0.4, then flash Siyah 3.5.2 and above.
3.4.x and below are not 100% compatible with 4.0.4. If you flash it, your camera app will be displaying just black screen.
Swyped from my Samsung Galaxy SII
All the latest Siyah Kernel has no brickbug on it. Currently using 4.0.2
Sent from my GT-I9100 using Tapatalk

I want to buy S2

Hi S2 user, :angel:
I will buy a new S2 phone soon. I need a little help from you guys. I need to know something about S2 :laugh:
My old phone is Xperia Arc S. This phone need following step to flash kernel and rom.
Kernel:
For flash a new kernel, I need to unlocked the bootloader first. Then this phone can flash any kernel anytime. But unlocking the bootloader will void the warranty.
Rom:
For flash a new rom, as long as the rom does not need to have specific kernel, in other word, stock based rom, no unlocked bootloader required. Just install the CWM and flash the rom.
How about S2 guys? Do I need to unlock something before flash kernel and rom? Can someone explain clearly or likes how I explain my old phone.
p/s- i read in some thread, doing a factory reset in cwm will make S2 brick? hard brick? can't even power on the phone. OMG is it true?
its very scary because in Xperia Arc S, i always flash a new rom. flasholic
I don't want my new S2 brick
I hope you guys can help me. Thanks
faiz5200 said:
Hi S2 user, :angel:
I will buy a new S2 phone soon. I need a little help from you guys. I need to know something about S2 :laugh:
My old phone is Xperia Arc S. This phone need following step to flash kernel and rom.
Kernel:
For flash a new kernel, I need to unlocked the bootloader first. Then this phone can flash any kernel anytime. But unlocking the bootloader will void the warranty.
Rom:
For flash a new rom, as long as the rom does not need to have specific kernel, in other word, stock based rom, no unlocked bootloader required. Just install the CWM and flash the rom.
How about S2 guys? Do I need to unlock something before flash kernel and rom? Can someone explain clearly or likes how I explain my old phone.
p/s- i read in some thread, doing a factory reset in cwm will make S2 brick? hard brick? can't even power on the phone. OMG is it true?
its very scary because in Xperia Arc S, i always flash a new rom. flasholic
I don't want my new S2 brick
I hope you guys can help me. Thanks
Click to expand...
Click to collapse
You don't have to unlock. Just download Odin and flash all the ROMs/kernels you want. As for the cwm brick bug, your phone will only brick if you factory reset through CWM in 4.0.4. In other versions you should be fine.
Sent from my GT-I9100 using xda app-developers app
S2 is the best phone to flash No problem with bootloader lock, you download Odin und happy flashing
Gesendet von meinem GT-I9100 mit Tapatalk 2
preseodymium said:
You don't have to unlock. Just download Odin and flash all the ROMs/kernels you want. As for the cwm brick bug, your phone will only brick if you factory reset through CWM in 4.0.4. In other versions you should be fine.
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
Thanks for your reply. For the brick bug, how come I want to factory reset when flashing new rom? And I think latest firmware for S2 is 4.0.4. Correct me if im wrong.
faiz5200 said:
Thanks for your reply. For the brick bug, how come I want to factory reset when flashing new rom? And I think latest firmware for S2 is 4.0.4. Correct me if im wrong.
Click to expand...
Click to collapse
I am currently installing 4.1.2, unofficial of course
The brick Bug problem by 4.0.4 only with Stock Kernel ! when you have 4.0.4 on your phone you flash a save Kernel (Siyah, Dorimanax .....) with Odin (only Odin not Cwm )
and it was save .After you can flash wath you want
smooth 123 said:
The brick Bug problem by 4.0.4 only with Stock Kernel ! when you have 4.0.4 on your phone you flash a save Kernel (Siyah, Dorimanax .....) with Odin (only Odin not Cwm )
and it was save .After you can flash wath you want
Click to expand...
Click to collapse
I see. So the brick bug actually come from the kernel inside firmware 4.0.4. Not the entire 4.0.4 firmware. Is other custom kernel likes you mention (Siyah, ..) is 100% safe?
faiz5200 said:
I see. So the brick bug actually come from the kernel inside firmware 4.0.4. Not the entire 4.0.4 firmware. Is other custom kernel likes you mention (Siyah, ..) is 100% safe?
Click to expand...
Click to collapse
enjoy ur s2, i just got the s2 and flash over 20 roms like crazy!! jajaja is very good phone
faiz5200 said:
I see. So the brick bug actually come from the kernel inside firmware 4.0.4. Not the entire 4.0.4 firmware. Is other custom kernel likes you mention (Siyah, ..) is 100% safe?
Click to expand...
Click to collapse
100% safe! Her is ohter 100% safe Kernel http://forum.xda-developers.com/showthread.php?t=1877270
for 4.0.4 Stock In this thread you found more to the theme brick bug.
I flash my S2 i don t know:victory: 100× no Problem S2 likes flashing
faiz5200 said:
Thanks for your reply. For the brick bug, how come I want to factory reset when flashing new rom? And I think latest firmware for S2 is 4.0.4. Correct me if im wrong.
Click to expand...
Click to collapse
You factory reset when installing ROMs to make sure there are no errors. Plus with siyah kernels, you can't be 100% sure your phone won't brick when factory reset in CWM. Best is to flash 4.0.3 before doing anything else.
Sent from my GT-I9100 using xda app-developers app
Rooting
Guys.. 1 more question.
When I get my S2, I plan to flash custom rom like aosp or aokp but not stock rom.
Do I need to root my S2 first before flash any rom? Because my Xperia Arc S, I do not need to root because root come inside with the custom rom zip. So when I flash a new rom, my Xperia automatically root. No need to do other step.
I'm curious about this because I see in some thread, talking about cf root or something like that. The thread is very updated. Looks like it very necessary to do it at least once to have root before flash any custom rom.
Please explain for me about this root. Thanks guys.
faiz5200 said:
Guys.. 1 more question.
When I get my S2, I plan to flash custom rom like aosp or aokp but not stock rom.
Do I need to root my S2 first before flash any rom? Because my Xperia Arc S, I do not need to root because root come inside with the custom rom zip. So when I flash a new rom, my Xperia automatically root. No need to do other step.
I'm curious about this because I see in some thread, talking about cf root or something like that. The thread is very updated. Looks like it very necessary to do it at least once to have root before flash any custom rom.
Please explain for me about this root. Thanks guys.
Click to expand...
Click to collapse
I'm not sure about CF root though. Although the ROM I am in now has built in kernels, I still think its best to root first as some ROMs may not have the built in kernel (never searched other ROMs not entirely sure). I might recomment siyah kernel though
Sent from my GT-I9100 using xda app-developers app
preseodymium said:
I'm not sure about CF root though. Although the ROM I am in now has built in kernels, I still think its best to root first as some ROMs may not have the built in kernel (never searched other ROMs not entirely sure). I might recomment siyah kernel though
Sent from my GT-I9100 using xda app-developers app
Click to expand...
Click to collapse
uhh.. So root is come from kernel? Ermm.. so it different than xperia. So if I flash siyah kernel, I do not need to root?
faiz5200 said:
Guys.. 1 more question.
When I get my S2, I plan to flash custom rom like aosp or aokp but not stock rom.
Do I need to root my S2 first before flash any rom? Because my Xperia Arc S, I do not need to root because root come inside with the custom rom zip. So when I flash a new rom, my Xperia automatically root. No need to do other step.
I'm curious about this because I see in some thread, talking about cf root or something like that. The thread is very updated. Looks like it very necessary to do it at least once to have root before flash any custom rom.
Please explain for me about this root. Thanks guys.
Click to expand...
Click to collapse
Some people want to simple root their phone and don't care too much for custom roms and stuff. So for such people, they can simply root their phone using one of the many rooting methods mentioned.
However, if your primary aim is to install a custom rom/ kernel, you can use Odin to flash a custom kernel on your phone. (like siyah, dorimanx, Philz, the list goes on..) and you'll have root. Thereafter you can install a custom rom compatible with the kernel. Earlier on it was simple. Flash siyah or dorimanx and any custom rom will work on it. Kinda like a 'one size fits all' deal. However, right now with new mali drivers etc, some versions of a kernel are reqd based on which rom you plan to install. (JB with new mali drivers or JB without those new mali drivers/ICS)
CF-Root is the method I'd used..but right now it's not recommended, since if you're on certain 4.0.4 firmware, that is susceptible to the emmc brickbug I'm sure you've read about. Siyah, dori, etc kernels are safe.
HAXTREME said:
Some people want to simple root their phone and don't care too much for custom roms and stuff. So for such people, they can simply root their phone using one of the many rooting methods mentioned.
However, if your primary aim is to install a custom rom/ kernel, you can use Odin to flash a custom kernel on your phone. (like siyah, dorimanx, Philz, the list goes on..) and you'll have root. Thereafter you can install a custom rom compatible with the kernel. Earlier on it was simple. Flash siyah or dorimanx and any custom rom will work on it. Kinda like a 'one size fits all' deal. However, right now with new mali drivers etc, some versions of a kernel are reqd based on which rom you plan to install. (JB with new mali drivers or JB without those new mali drivers/ICS)
CF-Root is the method I'd used..but right now it's not recommended, since if you're on certain 4.0.4 firmware, that is susceptible to the emmc brickbug I'm sure you've read about. Siyah, dori, etc kernels are safe.
Click to expand...
Click to collapse
I see. Thanks. Flash kernel using odin. I see in this thread http://forum.xda-developers.com/showthread.php?t=1125282 , he said flashing a kernel is same like flashing a custom rom which is in CWM. Flash kernel in CWM? I thought the only way is using odin.
faiz5200 said:
I see. Thanks. Flash kernel using odin. I see in this thread http://forum.xda-developers.com/showthread.php?t=1125282 , he said flashing a kernel is same like flashing a custom rom which is in CWM. Flash kernel in CWM? I thought the only way is using odin.
Click to expand...
Click to collapse
For S2 we can. Because it won't increase your flash counter. But I never tried flashing through CWM.
Sent from my GT-I9100 using xda app-developers app
faiz5200 said:
I see. Thanks. Flash kernel using odin. I see in this thread http://forum.xda-developers.com/showthread.php?t=1125282 , he said flashing a kernel is same like flashing a custom rom which is in CWM. Flash kernel in CWM? I thought the only way is using odin.
Click to expand...
Click to collapse
There are two ways of flashing a kernel.
1. Use the .tar version of the kernel and flash via Odin
(the same way you'd flash the cf-root kernel you'd mentioned in a post above. I'll assume you know the steps as they're mentioned in chainfire's post. Or there are many posts on that topic)
Advantages: tried and tested route, simple one step method. You're rooted and have a custom kernel in about 30 secs.
Disadvantage: You rely on Odin and the connection to your computer which some don't trust. Increases flash counter.
2. Use the .zip version of the kernel and flash via CWM.
Since in this case you need CWM to start off with, you can use Rachmat3's method described HERE to get temporary CWM first.
Advantages: No computer needed. Everything happens through your phone. Flash counter isnt increased.
Disadvantages: Can be a little finicky at times..but you'll get there eventually. Involves 2 steps. First get temporary CWM, then install custom kernel via cwm.
You can start off with a very popular kernel. Gokhanmoral's siyah kernel.Both the zip and tar versions are available downloadable from HERE
HAXTREME said:
There are two ways of flashing a kernel.
1. Use the .tar version of the kernel and flash via Odin
(the same way you'd flash the cf-root kernel you'd mentioned in a post above. I'll assume you know the steps as they're mentioned in chainfire's post. Or there are many posts on that topic)
Advantages: tried and tested route, simple one step method. You're rooted and have a custom kernel in about 30 secs.
Disadvantage: You rely on Odin and the connection to your computer which some don't trust. Increases flash counter.
2. Use the .zip version of the kernel and flash via CWM.
Since in this case you need CWM to start off with, you can use Rachmat3's method described HERE to get temporary CWM first.
Advantages: No computer needed. Everything happens through your phone. Flash counter isnt increased.
Disadvantages: Can be a little finicky at times..but you'll get there eventually. Involves 2 steps. First get temporary CWM, then install custom kernel via cwm.
You can start off with a very popular kernel. Gokhanmoral's siyah kernel.Both the zip and tar versions are available downloadable from HERE
Click to expand...
Click to collapse
Another disadvantage of "not using" odin is when you cant enter cwm.
I use cwm and mobile odin.I flashed a kernel and couldnt access cwm nor phone would boot.
So I had to fix it using my pc via odin.

[Q] Updating to JB from ICS, with emmc brick bug

Hi all,
I just purchased a used GT-I9100 after hard bricking my old one (Odin froze at Set Partition).
Anyway, this 'new' phone had stock 4.0.4 ICS and kernel, AND it had the insane chip. Thus, I immediately flashed the Siyah 4.1.5 kernel to it. Now, I want to update to JB. I should be safe to do so, right? Also, is there a guide to update directly to a custom JB based rom and kernel? I just need some reassurance after bricking my old S2
Thanks!
kekekekyle said:
Hi all,
I just purchased a used GT-I9100 after hard bricking my old one (Odin froze at Set Partition).
Anyway, this 'new' phone had stock 4.0.4 ICS and kernel, AND it had the insane chip. Thus, I immediately flashed the Siyah 4.1.5 kernel to it. Now, I want to update to JB. I should be safe to do so, right? Also, is there a guide to update directly to a custom JB based rom and kernel? I just need some reassurance after bricking my old S2
Thanks!
Click to expand...
Click to collapse
It should be fine if you have a safe kernel. Just boot to recovery, wipe data/cache and install the rom you want
pasanjay said:
It should be fine if you have a safe kernel. Just boot to recovery, wipe data/cache and install the rom you want
Click to expand...
Click to collapse
Thanks, now running Dorimanx + CM10.1

[Q] Which is the best kernel without any brick probabilities?

Hi, yesterday I bought a Galaxy S2 from AT&T and I'm a newbie at this. I want to know which is the best kernel for this phone without any brick possibilities.
Because I know the Siyah kernel, but I don't like it just because the Ying-yang symbol at booting process (That's really stupid) and I heard that the Jeboo Kernel leaves your phone with the triangle and without the possibility of booting the phone. Stuck at "Samsung Galaxy S2" and the triangle, so first of all... Is this true? (I mean the bug of the Jeboo Kernel)
And second, if it's true... Which kernel can I use?
I forgot to say...
The S2 has 4.1.2 Stock Unrooted.
Thanks in advance.
Sent from my Nexus 7 2012.
If I'm bad at English is because I'm from Argentina and I'm learning.
MlucianoEze said:
I forgot to say...
The S2 has 4.1.2 Stock Unrooted..
Click to expand...
Click to collapse
Stock unrooted. First you'll need to follow one of many threads detailing how to root the phone, and get cwm onto the i777. Then you'll need to read each kernel forum with recent support for the i777 to determine which is best suited for your needs (stability, rom choice, vanity, whatever). A few big names around here are AJK, jeboo (which works fantastically for it's designed application), and STI.
Happy flashing.
Ok. I'll do that.
Thanks.
Sent from my SAMSUNG-SGH-I777 using xda app-developers app
cyril279 said:
Stock unrooted. First you'll need to follow one of many threads detailing how to root the phone, and get cwm onto the i777. Then you'll need to read each kernel forum with recent support for the i777 to determine which is best suited for your needs (stability, rom choice, vanity, whatever). A few big names around here are AJK, jeboo (which works fantastically for it's designed application), and STI.
Happy flashing.
Click to expand...
Click to collapse
One thing more. If I leave the phone with stock unrooted kernel and I do a Factory Reset, will the phone brick?
Because of the eMMC bug with stock unrooted kernel.
Sent from my SAMSUNG-SGH-I777 using xda app-developers app
MlucianoEze said:
One thing more. If I leave the phone with stock unrooted kernel and I do a Factory Reset, will the phone brick?
Because of the eMMC bug with stock unrooted kernel.
Sent from my SAMSUNG-SGH-I777 using xda app-developers app
Click to expand...
Click to collapse
I'm pretty sure that stock 4.1.2 left the eMMC bug behind, the details are in creepyncrawly's repository. Creepyncrawly's signature is the best starting point for modding the I777.
MlucianoEze said:
Hi, yesterday I bought a Galaxy S2 from AT&T and I'm a newbie at this. I want to know which is the best kernel for this phone without any brick possibilities.
Because I know the Siyah kernel, but I don't like it just because the Ying-yang symbol at booting process (That's really stupid) and I heard that the Jeboo Kernel leaves your phone with the triangle and without the possibility of booting the phone. Stuck at "Samsung Galaxy S2" and the triangle, so first of all... Is this true? (I mean the bug of the Jeboo Kernel)
And second, if it's true... Which kernel can I use?
I forgot to say...
The S2 has 4.1.2 Stock Unrooted.
Thanks in advance.
Sent from my Nexus 7 2012.
If I'm bad at English is because I'm from Argentina and I'm learning.
Click to expand...
Click to collapse
MlucianoEze said:
One thing more. If I leave the phone with stock unrooted kernel and I do a Factory Reset, will the phone brick?
Because of the eMMC bug with stock unrooted kernel.
Sent from my SAMSUNG-SGH-I777 using xda app-developers app
Click to expand...
Click to collapse
To your initial question, there is nothing wrong with the Jebo kernel. It was, however, built specifically to go with the SHOstock3 rom. There are a variety of things that can cause the problem you stated. Flashing the wrong kernel for instance, as in flashing an ICS or Gingerbread kernel to a Jelly Bean system, will prevent the phone from booting. As far as the warning triangle at boot, that is caused by flashing a custom kernel using Odin or Heimdall. The screen can also be removed by flashing a stock kernel using Odin or Heimdall.
As far as the cap erase eMMC brick bug is concerned, that showed up in the ICS versions, and was possibly present in the 2.3.4 stock kernel. It may have been present also in the 2.3.6 stock kernel but there was never any direct evidence that it was. The 4.1.2 stock kernel is almost certainly safe. If it were my phone, I would not hesitate to perform a wipe data/factory reset with the 4.1.2 stock kernel.
creepyncrawly said:
To your initial question, there is nothing wrong with the Jebo kernel. It was, however, built specifically to go with the SHOstock3 rom. There are a variety of things that can cause the problem you stated. Flashing the wrong kernel for instance, as in flashing an ICS or Gingerbread kernel to a Jelly Bean system, will prevent the phone from booting. As far as the warning triangle at boot, that is caused by flashing a custom kernel using Odin or Heimdall. The screen can also be removed by flashing a stock kernel using Odin or Heimdall.
As far as the cap erase eMMC brick bug is concerned, that showed up in the ICS versions, and was possibly present in the 2.3.4 stock kernel. It may have been present also in the 2.3.6 stock kernel but there was never any direct evidence that it was. The 4.1.2 stock kernel is almost certainly safe. If it were my phone, I would not hesitate to perform a wipe data/factory reset with the 4.1.2 stock kernel.
Click to expand...
Click to collapse
Tour explained me very well, I understood everything! So thanks.
I will choose the kernel later.
Sent from my SAMSUNG-SGH-I777 using xda app-developers app

Categories

Resources