Do i need to flash the Kernel with custom ROM? - Galaxy S II Q&A, Help & Troubleshooting

Very quick question this as i cant find the exact answer to be safe.
I have rooted my stock KF3 SGS2 using the CF-Root method. All is well..
I see a lot of custom ROM's using different kernels as bases.. so if i say flashed Sensation ROM which has the base of KG6 - can i flash it safely? And would i have to flash the KG6 kernel?
I am happy with flashing custom roms (Come from Desire) - but this bit has me confused with regards to KErnels..
Thanks

Pretty much all custom rom's come with a kernal that will work ok. No need to change it. It is built-in and will overwrite your current one.
It comes down to personal preference. You can flash a custom rom the flash another kernal (cf root, speedmod, siyah) if you like. I am forever testing different kernals on the one rom.
I think of those custom kernals mentioned above only cf root is rom dependent. That is Ki4 rom needs cf root for ki4.
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Ahhh.. i see. Understand better now. Thanks for taking the time to reply!

Nope. But it's a advisable w
Sent from my HTC Desire S using xda premium

Most kernels will work with most roms. But there are a very few cases of incompatibility. When this happens, just flash another kernel.
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Flasing a Kernel
Can i flash synergy kernel on ADT Best rom on my Tmobile Samsung galaxy s2. Is it safe to do that i am new to all this stuff. Have rooted the phone and flashed Beastmod rom from ADT.
Thanks

sxi200 said:
Pretty much all custom rom's come with a kernal that will work ok. No need to change it. It is built-in and will overwrite your current one.
It comes down to personal preference. You can flash a custom rom the flash another kernal (cf root, speedmod, siyah) if you like. I am forever testing different kernals on the one rom.
I think of those custom kernals mentioned above only cf root is rom dependent. That is Ki4 rom needs cf root for ki4.
Sent from my GT-I9100 using XDA Premium App
Click to expand...
Click to collapse
Thanks a lot, I came from Desire too and as easy as flashing and rooting is with the S2 compared to my beloved Desire that kernel thing is kinda confusing

ElZeck said:
Thanks a lot, I came from Desire too and as easy as flashing and rooting is with the S2 compared to my beloved Desire that kernel thing is kinda confusing
Click to expand...
Click to collapse
SGS2 flash cwm and root to phone via |Odin
Copy custom rom to sd card open cwm recovery flash rom END
je

Related

[Q] A little help! please.

Hi All,
My first post here. Yay!!
I have SGS2 and wanted to have latest and greatest. Spend few days reading this forum and got reasonable understanding of root, kernel, rom and firmware. I've even update my phone from XWKDD to XXKI3 non-wipe Frankenstein version and updated kernel to stock XXKI3 as well. I also then updated rom to VillianROM 3.0 which is very new and has 2.3.5 in it.
All working great and haven't bricked the phone.
However, I am bit confused and was hoping you guys could clear up my confussion.
Basically what I want to know is, does ROM include Kernel?
If so, did I updated my kernel when I flashed VillainROM?
If someone could explain what has happened when I did below.
1. Flashed XWKDD insecure kernel and rooted the phone using superoneclick.
2. Few days later, flashed XXKI3 non-wipe firmware (pda, modem & csc all in one).
3. Flashed XWKDD insecure kernel and rooted phone using superoneclick.
4. Flashed kernel to stock XXKI3 to remove yellow triangle, phone is still rooted.
5. Flashed VillainROM 3.0
Hope I've asked questions correctly, if not forgive me, its only my first post here.
Every rom uses different kernels, now your phone is using the kernel that comes with Villain rom. If you are not happy with the kernel that you are using now you can download one from forums then change it by flashing it using cwm.
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jon3sh said:
Every rom uses different kernels, now your phone is using the kernel that comes with Villain rom. If you are not happy with the kernel that you are using now you can download one from forums then change it by flashing it using cwm.
Click to expand...
Click to collapse
So, in my phone I no longer have KI3 stock kernel but instead "inphetamine2.0.5" kernel which is used in Villainrom 3.
will lookup bit more on this kernel to understand what it has to offer.
thanks for information.
dhaneri said:
So, in my phone I no longer have KI3 stock kernel but instead "inphetamine2.0.5" kernel which is used in Villainrom 3.
will lookup bit more on this kernel to understand what it has to offer.
thanks for information.
Click to expand...
Click to collapse
Villain 3 is your rom and Ninpethamine 2.0.5 is your rom. I would suggest that you change your kernel to newer version to Ninphetamine 2.1.3 . Go to kernel forums in xda and read some more and you can get more info about all other kernels and you will find performances of each kernels.
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I updated kernel as per your suggestion to Ninphetamine 2.1.3, all appears to be ok and didn't find any difference. Well, I am not that techie and my requirements are mostly basic so won't notice much difference but I am sure it is better then previous version.
Thanks for your help.
Theh were using 2.0.5 with VR rom and according to them its more stable and battery friendly. You can monitor it and if you find it better or 2.0.5 better you can always flash it back.
Sent from my GT-I9100 using xda premium
Basically the ROM developper chooses the kernel that he finds more suitable to his ROM and loadsit with the ROM. You can change the kernel if you want after flashing the ROM. For me, I like the cf root KI3 v4.2 kernel (stock kernel), but if you want to overclock or undervolt you'll need a custom kernel (don't know if nimphetamine can UC/UV, I think it can, if not there are other great options too).
The thing I found with the cf root kernel is that for users that don't know how to undervolt or do most advanced stuff (me included) it has better battery life. Or at least for me the cf root kernel showed the best battery life. At the end, the best is to try various kernels and see which is best for you.

[Q] help with selecting CF Root

hey sorry for the noobish question...i need to know which CF root to use with my SII..
rom:V3RTR3MA V4.0
baseband:XXKI3
androi:2.3.6
as you are on a custom rom it should be rooted already, no need for rooting it again
This rom have PDA:XWKK5 then use CF-Root-SGS2_XW_OXA_KK5-v5.0-CWM5.zip; but this rom have CWM 5.0 no?
its rooted but CWM shows that it needs cf root for additional options....can i use what umarian said..but he sounds like he's not sure abt it...
What rom are you using what kernel are you using .
jje
If you are on a XWKK5 then use the corresponding XWKK5 Kernel. If you flash the wrong CF-Root Kernel then your phone isn't going to explode in a puff of phosphorous gas and suffocate you and your family to death though. It will probably just be laggy and noticeably slower. If that happens you've flashed the wrong Kernel, so just flash a different one. But yea, what I said first, use the corresponding Kernel to the build of your rom. (KI3 use the KI3 Kernel etc.)
Chainfires CWM app will say that if your not using one of his cfroot kernels so don't worry.
the app may still work with the kernel you are using.
What options do you want that aren't there?
You can probably still boot into recovery from the app anyway.
Sent from my GT-I9100 using XDA App
well i flashed with KK5 CF root and everything is ok...but for some reason my app drawer isn't transparent anymore...
@postfatal :thanks for the LOL..

What kernels to use for ICS roms

Hi I'm new to using Samsung phones, always had Moto. Is Entropys ZombieAss kernel the only kernel that I can flash ICS(new official ICS ROM ect.) roms on with CWM, or are there more? I'm unrooted on stock 2.3.4, any help would be appreciated, thanks.
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RPK925 said:
Hi I'm new to using Samsung phones, always had Moto. Is Entropys ZombieAss kernel the only kernel that I can flash ICS(new official ICS ROM ect.) roms on with CWM, or are there more? I'm unrooted on stock 2.3.4, any help would be appreciated, thanks.
Sent from my SAMSUNG-SGH-I777 using xda premium
Click to expand...
Click to collapse
You can flash almost any ROM with almost any kernel, but ZombieAss will boot and run recent i9100 based ROMs. As in, you can't use ZombieAss with the official ICS ROMs from AT&T. If you're on stock 2.3.4, you can go ahead and flash any ICS ROM from their threads as long as it's for our phone -- the i777. They should automagically flash an ICS kernel.
In short, use ICS kernels with ICS roms, Gingerbread kernels with Gingerbread roms, but any kernel with CWM can flash anything without trouble.
Just pick your ROM and go in my opinion! pretty much all of the ICS ROMs include a kernel that will include CWM. (exception being the ATT leaks, but i believe even the one built by Task650 includes a kernel with CWM)
Kernel for ICS ROMs
I use overclocked kernels by SebastianFM on Android Revolution HD ROMs. Combination of the two works best for me.
You can also check out faux123's released kernels. Also very nice work (with ZRAM)
StyxCrosser said:
I use overclocked kernels by SebastianFM on Android Revolution HD ROMs. Combination of the two works best for me.
You can also check out faux123's released kernels. Also very nice work (with ZRAM)
Click to expand...
Click to collapse
Think you might be lost .. Everything you referenced was for the HTC Sensation.
To the OP,, do not flash sensation things! I'd assume they'd fail to install anyways,, but if they didn't,, you might be in for fun!
Yeah man, I'm on HTC. That's what happens when you're a noob.
Didn't even think about ALL OTHER DEVICES.
Thanks anyway
StyxCrosser said:
Yeah man, I'm on HTC. That's what happens when you're a noob.
Didn't even think about ALL OTHER DEVICES.
Thanks anyway
Click to expand...
Click to collapse
lol it happens . Just was worried the OP would try to flash some HTC stuff!
shishir95 said:
You can flash almost any ROM with almost any kernel, but ZombieAss will boot and run recent i9100 based ROMs. As in, you can't use ZombieAss with the official ICS ROMs from AT&T. If you're on stock 2.3.4, you can go ahead and flash any ICS ROM from their threads as long as it's for our phone -- the i777. They should automagically flash an ICS kernel.
In short, use ICS kernels with ICS roms, Gingerbread kernels with Gingerbread roms, but any kernel with CWM can flash anything without trouble.
Click to expand...
Click to collapse
Just to be sure though, first I have to flash a kernel with Odin that has CWM, then flash a ROM directly from internal/external sd? Or. Can I just flash a any ROM with Odin? . Just don't want to mess up and have to use the return to stock method. Thanks
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RPK925 said:
Just to be sure though, first I have to flash a kernel with Odin that has CWM, then flash a ROM directly from internal/external sd? Or. Can I just flash a any ROM with Odin? . Just don't want to mess up and have to use the return to stock method. Thanks
Sent from my SAMSUNG-SGH-I777 using xda premium
Click to expand...
Click to collapse
Once you have CWM (any CWM), you can go pretty much anywhere without returning to stock.
People that complain about bootloops didn't know the most basic rule of flashing:
ALWAYS WIPE DATA IN CWM WHEN SWITCHING FIRMWARES! (usually no wiping needed when switching kernels though.)
Suggested order, in my opinion:
Flash a Gingerbread kernel with CWM, such as my Daily Driver for Gingerbread
Do a Nandroid backup of your current setup (Backup and Restore in CWM) - Enter CWM using the three-finger combo, NOT via ROM Manager
Once you've done a backup - flash something. If it's in these forums, it should be safe. I suggest reading the threads for various releases to get a feel for things. Don't ask what's best - that is a matter of taste.
Entropy512 said:
Once you have CWM (any CWM), you can go pretty much anywhere without returning to stock.
People that complain about bootloops didn't know the most basic rule of flashing:
ALWAYS WIPE DATA IN CWM WHEN SWITCHING FIRMWARES! (usually no wiping needed when switching kernels though.)
Suggested order, in my opinion:
Flash a Gingerbread kernel with CWM, such as my Daily Driver for Gingerbread
Do a Nandroid backup of your current setup (Backup and Restore in CWM) - Enter CWM using the three-finger combo, NOT via ROM Manager
Once you've done a backup - flash something. If it's in these forums, it should be safe. I suggest reading the threads for various releases to get a feel for things. Don't ask what's best - that is a matter of taste.
Click to expand...
Click to collapse
Thanks for help. Can I flash your daily driver with Odin since I don't have CWM yet? I downloaded the current version and it is a .zip, not a .tar file. Thanks
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RPK925 said:
Thanks for help. Can I flash your daily driver with Odin since I don't have CWM yet? I downloaded the current version and it is a .zip, not a .tar file. Thanks
Sent from my SAMSUNG-SGH-I777 using xda premium
Click to expand...
Click to collapse
DON'T use Odin from your computer! Using Odin trips the flash counter and that'll probably give you headaches later. Use Mobile Odin instead, you can find it here under Step 3a, it allows you to flash zip files (lite version is free, allows you to flash only kernels from the phone itself)
karate104 said:
DON'T use Odin from your computer! Using Odin trips the flash counter and that'll probably give you headaches later. Use Mobile Odin instead, you can find it here under Step 3a, it allows you to flash zip files (lite version is free, allows you to flash only kernels from the phone itself)
Click to expand...
Click to collapse
I'm not rooted yet though. Any suggestions.
Sent from my SAMSUNG-SGH-I777 using xda premium
RPK925 said:
I'm not rooted yet though. Any suggestions.
Sent from my SAMSUNG-SGH-I777 using xda premium
Click to expand...
Click to collapse
Read same thread. Steps 2a-d detail four different ways to root. I think you would do well to read the thread's OP in it's entirety a few times before you try anything.
Sent from my GT-I9100 using XDA
There is one tar ball available for Entropy's daily driver kernel. It's the top one in the list of downloads, named DD_01232012.tar. If you flash it, you will increment the flash counter and invoke the yellow warning triangle on boot, but you can reset the flash counter and remove the yellow triangle with a usb jig, or if you install ICS on the phone, you can get the same result using chainfire's Triangle Away application. And by all means, read the full OP of my guides, and any other follow up information you can find, so that you will have a solid foundation for making decisions as you go forward.
RPK925 said:
Thanks for help. Can I flash your daily driver with Odin since I don't have CWM yet? I downloaded the current version and it is a .zip, not a .tar file. Thanks
Sent from my SAMSUNG-SGH-I777 using xda premium
Click to expand...
Click to collapse
Right now only my Gingerbread kernels have a .tar download available.
It is my opinion that no one should be going straight to ICS yet without already having some experience with kernel flashing/installing CWM/nandroiding their current Gingerbread firmware as a backup/properly testing custom firmwares, which is why only my Gingerbread kernels have .tar files. ICS on our devices is still too new.
karate104 said:
DON'T use Odin from your computer! Using Odin trips the flash counter and that'll probably give you headaches later. Use Mobile Odin instead, you can find it here under Step 3a, it allows you to flash zip files (lite version is free, allows you to flash only kernels from the phone itself)
Click to expand...
Click to collapse
Triangle Away will reset that on ICS.
Entropy, I've been wondering. Does your ZA Kernel work on the AOKP roms that Task has been porting over to our phones?
i dont think ZombieAss will work with non-Sammy based ROMs, but I haven't tried it
Entropy512 said:
Right now only my Gingerbread kernels have a .tar download available.
It is my opinion that no one should be going straight to ICS yet without already having some experience with kernel flashing/installing CWM/nandroiding their current Gingerbread firmware as a backup/properly testing custom firmwares, which is why only my Gingerbread kernels have .tar files. ICS on our devices is still too new.
Triangle Away will reset that on ICS.
Click to expand...
Click to collapse
Thanks for all the help. I actually downloaded mobile odin, then used doomlords easy rooting tool, then flashed, I forgot the name but it was something like "one kernel to rule the all", flashed with mobile odin, and got CWM, then installed you current daily driver, made a Nandroid backup, and now I'm ready to flash. I had one more question, what is the difference between the regular Nandroid backup and the advanced? And should I be backing up regular, or the advanced way?
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shoestar said:
Entropy, I've been wondering. Does your ZA Kernel work on the AOKP roms that Task has been porting over to our phones?
Click to expand...
Click to collapse
No go, I tried and it wouldn't boot
Sent from my SGH-I777 using Tapatalk

How to install aosp rom (any) or cynanogen on a 2.3.5 GB spdmod kernel.

Hi i would like to ask how to install any cynanogen or aosp rom on a gingerbread 2.3.5 stock samsung rom with spdmod kernel cwm. Thanks.
sent from my GT-I9100
i'm a noob. sorry.
...
With all due respect sir. I can ask this question. I rooted my first android phone because of xda. I also learned how to flash my first windows phone here at xda years ago by asking questions like this one. I'm sorry if your eyes sore when you see noob like me. And i'm asking for specific parameters like android ver 2.3.5 with speedrom . I can't find any posts that match like that one.
sent from my GT-I9100
i'm a noob. sorry.
...
Yes clear. So the things that i have to do is
Revert to stock kernel
Apply cf kernel cwm
Install rom aosp or any other?
Right sir? Thanks
sent from my GT-I9100
i'm a noob. sorry.
Just flash CM9 in CWM. It will also install CM9 ICS kernel so you're good to go. Maybe you'll need to flash another modem in case your GB modem doesnt work with ICS.
After that, I would recommend to flash Siyah kernel, but its up to you.
P.S. DO NOT EVER USE ROM MANAGER (it comes with CM9)
Sent from my GT-I9100
boki9999 said:
Just flash CM9 in CWM. It will also install CM9 ICS kernel so you're good to go. Maybe you'll need to flash another modem in case your GB modem doesnt work with ICS.
After that, I would recommend to flash Siyah kernel, but its up to you.
P.S. DO NOT EVER USE ROM MANAGER (it comes with CM9)
Sent from my GT-I9100
Click to expand...
Click to collapse
Directly ? With speedmod kernel cwm? Thanks
sent from my GT-I9100
i'm a noob. sorry.

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.
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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.
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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.

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