Hi,
I am new to this area & I would like to know if :
1. One can flash any ROM irrespective of the Kernel version with which the phone was pre installed with.
2. My Samsung Galaxy S2 has the original kernel version I9100XWKF3.
I rooted it to AndyX ROM with kernel version as XXLPB
3. I found performce problems like Contacts app being very slow & crashing most of the time after installing the above. Sometimes the phone shuts down too
4. Is that because of installing a different kernel ?
5. Is there a stable version of ROM that is compatible with my kernel version.
Thanks
Nash
I think you need a few lessons in how to write lists of questions.
1). Yes, as long as it's for the correct device
2). Not a question and now you're using a ROM based on a leaked, buggy, unstable ROM - fail.
3). Not a question and see above.
4). If it doesn't happen on an unmodified stock, officially released ROM, yes, though I presume you mean ROM, not kernel.
5). Any officially released stock ROM is considered stable, otherwise Samsung wouldn't release them.
Hello there!
I'm a complete noob when it comes to rooting and other related stuff so I could use some help. I want to install Cyanogenmod 10 (or 10.1 if it actually is usable and mostly stable / it is easier or more noobproof to install) for the first time and I would like to know what do I need to know before starting to follow any tutorials for flashing new kernels etc. There are just so so many tutorials for this and I don't know which one I should follow to not brick my phone as I just can't afford a new phone if I manage to brick this one and I just want to get everything out of this phone.
All this Clockworkmod, Odin, Rooting and everything just confuses me and I don't know where to start. If I've understood correct the first thing I should do is I should download some custom kernel as this is something which runs "under" the Android (kind of like bios for computers?) and allows me superuser access=rooting? Then after I got new rooted kernel done I should install Odin or ClockworkMod which acts like a "backup" if something goes wrong? And lastly I should flash in the Cyanogenmod 10 or 10.1 depending which is more hassle-free for everyday use (I'd like to get as much customization as possible for my phone) and has more features and more stable.
My phone model is GT-I9100 so it's the international one (I live in Finland so no Verizon or other model of it.. that much I understand at least) and my Android version is 4.0.4 the 100% stock version of it.
I'm tired of waiting for the slow Samsung people in Finland to get the official Jelly Bean release to be done and I want all that project butter goodness NOOOOOOW. So...
TLR: I have Samsung Galaxy S2 (GT-I9100).I want to get CM 10 or CM.10.1 the noobproofest way possible, can't afford to brick. Can you guide me to a good tutorial with easy to follow orders and up-to-date versions of Cyanogenmod as I don't want CM7, but the latest GOOD Jelly Bean version or just tell me how to do this? I will answer any questions you might have about my phone or anything. I'm not stupid when it comes to computers, but phones are totally new thing to me and I don't want to flash new jelly bean with some random tutorials from youtube as I'm afraid of getting a bricked phone (or missing out some great features from other Jelly Bean releases). I want the best for everyday use, most stable and the one with most customization options version of CyanogenMod Jelly Bean for my S2.
Thanks in advance! I will be monitoring this thread actively so I answer possible questions quick.
I think you're a bit confused at some points.. I assume you're on ICS now. First you have to root your phone by flashing a custom kernel (which gaines you root access) like Siyah WITH Odin. Steps are descriped in enough guides on xda.
When you've rooted your phone, it's best to make a Nandroid back up in Recovery Mode (CWM), you get CWM automatically with flashing Siyah, just in case anything goes wrong.
After this you may choose to flash a custom rom, mostly done with CWM recovery. Steps for this part are almost always written at the instructions on the first post of a rom thread, so read them carefully.
About Project Butter: this isn't fully implemented in CM, so flash the JB-leak from Samsung, or a rom based on it (or wait for the official release).
Sent from the Matrix
Donnie Sins said:
I think you're a bit confused at some points.. I assume you're on ICS now. First you have to root your phone by flashing a custom kernel (which gaines you root access) like Siyah WITH Odin. Steps are descriped in enough guides on xda.
When you've rooted your phone, it's best to make a Nandroid back up in Recovery Mode (CWM), you get CWM automatically with flashing Siyah, just in case anything goes wrong.
After this you may choose to flash a custom rom, mostly done with CWM recovery. Steps for this part are almost always written at the instructions on the first post of a rom thread, so read them carefully.
About Project Butter: this isn't fully implemented in CM, so flash the JB-leak from Samsung, or a rom based on it (or wait for the official release).
Sent from the Matrix
Click to expand...
Click to collapse
Yes I'm running 4.0.4 forgot to add that sorry. That clears many things up thank you! Oh... I thought that Project Butter was fully implemented on every 4.1.X ROM. Now I'm having hard time deciding if I should flash CM10 or just wait for the official Jelly Bean release which is supposed to come next month in Finland... I just want my phone to be really, really fluid and I'm not really pleased with this current 4.0.4 and all these unneeded programs like all the Samsung Hub programs.
I have a Galaxy S2 GT-I9100G (bought in China 2 years ago).
In the past I have changed it's rom to SuperROM#v1.1 found here : http://forum.xda-developers.com/showthread.php?t=1374135.
The current Android version is 2.3.6 (oldddd )
Kernel version is : 2.6.35.7
Baseband version : I9100GZCKI1
I also have CWM-based Recovery v5.0.2.6 for GS2.
I would really like to upgrade to JellyBean.
I have seen a couple of versions here:
* http://www.ibtimes.co.uk/articles/4...100g-android422-jellybean-aokp-mr1-build6.htm
* http://www.ibtimes.co.uk/articles/4...-android422-jellybean-vanilla-rootbox-rom.htm
* http://www.ibtimes.co.uk/articles/4...droid422-jellybean-update-slimbean-build5.htm
and of course all the ROMs here on the site (too much to choose from !)
My question is : can my *Chinese* device be upgraded to JellyBean ?
If so - I have read on some forum threads that I need to somehow get the stock roms first, but I have no idea where to get them for the Chinese device.
Any help would be very much appreciated...
S2User said:
I have a Galaxy S2 GT-I9100G (bought in China 2 years ago).
In the past I have changed it's rom to SuperROM#v1.1 found here : http://forum.xda-developers.com/showthread.php?t=1374135.
The current Android version is 2.3.6 (oldddd )
Kernel version is : 2.6.35.7
Baseband version : I9100GZCKI1
I also have CWM-based Recovery v5.0.2.6 for GS2.
I would really like to upgrade to JellyBean.
I have seen a couple of versions here:
* http://www.ibtimes.co.uk/articles/4...100g-android422-jellybean-aokp-mr1-build6.htm
* http://www.ibtimes.co.uk/articles/4...-android422-jellybean-vanilla-rootbox-rom.htm
* http://www.ibtimes.co.uk/articles/4...droid422-jellybean-update-slimbean-build5.htm
and of course all the ROMs here on the site (too much to choose from !)
My question is : can my *Chinese* device be upgraded to JellyBean ?
If so - I have read on some forum threads that I need to somehow get the stock roms first, but I have no idea where to get them for the Chinese device.
Any help would be very much appreciated...
Click to expand...
Click to collapse
officially yes, unofficially(none samsung) yes
official:
take a look at this: http://forum.xda-developers.com/showthread.php?t=2171269 (thanks to hacbaoklhh for posting this thread)
unofficial (none samsung)
first you need to do the official thing (so you can get the ics/jb boatloader in), if you wish to stick with the official then you're done, no need to continue.
then you need to do this: http://forum.xda-developers.com/showthread.php?t=2113545 flash via stock recovery (thanks to Ryuinferno for his great work)
then you can flash whatever rom you want (AOSP, AOKP, MIUI)
to revert back to original:
take a look at this: http://forum.xda-developers.com/showthread.php?t=1916623 (thanks to Harchaoui for his hard work) or you can do the official thing again via odin, end of story
but i wouldnt revert back to chinese stock rom, we have the best developers and our 4.2.2 has become so stable
good luck
xtachix said:
officially yes, unofficially(none samsung) yes
official:
take a look at this: http://forum.xda-developers.com/showthread.php?t=2171269 (thanks to hacbaoklhh for posting this thread)
unofficial (none samsung)
first you need to do the official thing (so you can get the ics/jb boatloader in), if you wish to stick with the official then you're done, no need to continue.
then you need to do this: http://forum.xda-developers.com/showthread.php?t=2113545 flash via stock recovery (thanks to Ryuinferno for his great work)
then you can flash whatever rom you want (AOSP, AOKP, MIUI)
to revert back to original:
take a look at this: http://forum.xda-developers.com/showthread.php?t=1916623 (thanks to Harchaoui for his hard work) or you can do the official thing again via odin, end of story
but i wouldnt revert back to chinese stock rom, we have the best developers and our 4.2.2 has become so stable
good luck
Click to expand...
Click to collapse
Wow, that was fast !
Thanks so much for the response.
I have 3 questions if you could answer:
1. In your first link it says "Instructions For Flashing ICS:".
Does it mean that is will flash ICS or that I need to have ICS to flash it ?
because I don't have ICS... I have Gingerbread ...
2. Does the process in both your links change the Kernel or the Rom ?
(I managed to forget all this stuff since I last did this 2 years ago)
3. Which ROM would you recommend to use ? (out of the AOPS, AOKS and MIUI)
Thanks !
S2User said:
Wow, that was fast !
Thanks so much for the response.
I have 3 questions if you could answer:
1. In your first link it says "Instructions For Flashing ICS:".
Does it mean that is will flash ICS or that I need to have ICS to flash it ?
because I don't have ICS... I have Gingerbread ...
2. Does the process in both your links change the Kernel or the Rom ?
(I managed to forget all this stuff since I last did this 2 years ago)
3. Which ROM would you recommend to use ? (out of the AOPS, AOKS and MIUI)
Thanks !
Click to expand...
Click to collapse
1. its ok, that's probably just a typo, the android version there is 4.1.2. should state JB. via odin you can flash that and you will have official JB
flashing via odin doesnt care which version of android you currently have
2. the process of the first link will basically put a whole new kernel and rom in your system. you will have official JB kernel from samsung along with official rom from samsung. your version will be 4.1.2. (this is required to get the ics/jb bootloader which you dont have)
the purpose of the second link is to change the kernel so that it has cwm or twrp recovery integrated in. this will allow you to flash mods and roms and all that. but it is not necisary if you are not willing to use AOSP AOKP MIUI. if you'd like to stick with the official and see how it performs then you don't have to do the second link
3. personally i think the simpler the better, i use CM10.1 (CyanogenMod 10.1) <----- thanks to codworkerx, i also like Thinking Bridge http://forum.xda-developers.com/showthread.php?t=2199527 (thanks to Black_Prince for his great work)
couple any of those roms with http://forum.xda-developers.com/showthread.php?t=2251840 kernel (thanks to biagio7xD) and you will have a super fast rom with no SOD
xtachix said:
1. its ok, that's probably just a typo, the android version there is 4.1.2. should state JB. via odin you can flash that and you will have official JB
flashing via odin doesnt care which version of android you currently have
Click to expand...
Click to collapse
Thanks for the info.
2. the process of the first link will basically put a whole new kernel and rom in your system. you will have official JB kernel from samsung along with official rom from samsung. your version will be 4.1.2. (this is required to get the ics/jb bootloader which you dont have)
the purpose of the second link is to change the kernel so that it has cwm or twrp recovery integrated in. this will allow you to flash mods and roms and all that. but it is not necisary if you are not willing to use AOSP AOKP MIUI. if you'd like to stick with the official and see how it performs then you don't have to do the second link
Click to expand...
Click to collapse
I would like to go with custom ROMs. do I have to do the chapter 'Instructions For Changing CSC' that is in your first link ?
It says that it will wipe my device.
3. personally i think the simpler the better, i use CM10.1 (CyanogenMod 10.1) <----- thanks to codworkerx, i also like Thinking Bridge http://forum.xda-developers.com/showthread.php?t=2199527 (thanks to Black_Prince for his great work)
couple any of those roms with http://forum.xda-developers.com/showthread.php?t=2251840 kernel (thanks to biagio7xD) and you will have a super fast rom with no SOD
Click to expand...
Click to collapse
Thanks for the info. I don't think I will use the simple CM10.1 . I will look for a nice-looking UI rom.
By the way - do all the ROMs work with the Kernel that I will install in step 1 ?
S2User said:
Thanks for the info.
I would like to go with custom ROMs. do I have to do the chapter 'Instructions For Changing CSC' that is in your first link ?
It says that it will wipe my device.
Thanks for the info. I don't think I will use the simple CM10.1 . I will look for a nice-looking UI rom.
By the way - do all the ROMs work with the Kernel that I will install in step 1 ?
Click to expand...
Click to collapse
Dont worry about CSC.
every rom comes with its own kernel, if you're refering to step one as in the official then that's the kernel for official and nothing else
the blazing kernel is also for official and nothing else (or official based roms)
the kernel link i gave you last was for aosp aokp based roms
xtachix said:
Dont worry about CSC.
every rom comes with its own kernel, if you're refering to step one as in the official then that's the kernel for official and nothing else
the blazing kernel is also for official and nothing else (or official based roms)
the kernel link i gave you last was for aosp aokp based roms
Click to expand...
Click to collapse
So I am a bit confused now ...
You say 'don't worry about CSC'.
Does that mean I don't have to install CSC ?
Or that I do have to install it, but not worry about it...
also - I understood from your 1st comment that I have to go through the official kernel & rom, before I can put a custom rom.
Did I get it right ?
Because now from your last comment - I am understanding that if I want a custom rom - I can go ahead and just install it with its own kernel, without having to go through the first step of installing the official rom and kernel.
xtachix said:
officially yes, unofficially(none samsung) yes
unofficial (none samsung)
first you need to do the official thing (so you can get the ics/jb boatloader in), if you wish to stick with the official then you're done, no need to continue.
then you need to do this: http://forum.xda-developers.com/showthread.php?t=2113545 flash via stock recovery (thanks to Ryuinferno for his great work)
then you can flash whatever rom you want (AOSP, AOKP, MIUI)
Click to expand...
Click to collapse
Another question : I looked at this link - isn't CWM6 old ? I thought that the latest version is 10.1
S2User said:
So I am a bit confused now ...
You say 'don't worry about CSC'.
Does that mean I don't have to install CSC ?
Or that I do have to install it, but not worry about it...
also - I understood from your 1st comment that I have to go through the official kernel & rom, before I can put a custom rom.
Did I get it right ?
Because now from your last comment - I am understanding that if I want a custom rom - I can go ahead and just install it with its own kernel, without having to go through the first step of installing the official rom and kernel.
Click to expand...
Click to collapse
dont worry about the csc means really dont worry, every official rom, custom rom, comes with csc. some of them have multiple csc.
S2User said:
Another question : I looked at this link - isn't CWM6 old ? I thought that the latest version is 10.1
Click to expand...
Click to collapse
CWM = clockworkmod (this is the recovery integrated with the kernel. you have a few main types- cwm, twrp, official). this recovery allows you to install roms and such. version 6 is the latest. if i'm not mistaken the version you have for gingerbread would be (if you have cwm) 4 or 5.
cm = cyanogenmod (this is the rom)
they are two different things.
let us go through the basics:
what does a ROM have?
it has a kernel (this allows you to do the basic io stuff, it has cwm or twrp >> if custom, or official recover if official)
it has a bootloader (this allows you to get into a specific version of roms), official roms have the bootloader
it has system files (this is the actual rom base, it has all the modules)
it has basic apps (well, these are the apps, dialer, messaging, etc..)
it has csc
it has baseband and ril
let us elaborate a little bit:
your phone currently has gingerbread bootloader. so it is version 2.0+
to use Icecream sandwich you need the icecream sandwich bootloader. 4.0+
different version means different bootloader
this is where flashing a rom via odin comes in handy. it will install that specific bootloader into your phone
ofcourse along with other things, like the kernel, actual rom, apps. so you will have a full 4.1.2 system.
notice: ics and jb bootloaders are the same, reason is simple, the base version of both is 4, if there they introduce a version 5 android then everyone has to get the newest bootloader for version 5 to use it.
it doesnt matter where the 4.x+ comes from, if it is aosp aokp official miui, the bootloader is REQUIRED to run any of those
now your first step is to install the official rom (this way you ensure that you have the proper bootloader, and at the same time you get the official 4.1.2). now if you want to keep the official then there is nothing else to do, if by any chance you need to change csc then the steps there are simple, but it is not required. look up what is csc
next you need to install a kernel that has either cwm or twrp (this way you prepare yourself to install custom roms)
next you select the rom you would like to install, download it and put it in your sdcard
next you boot into recover (notice it is different from the official one, it has many options)
install the rom from the sdcard location
and in many cases you will have to install gapps (google apps, and do not make a mistake and install the wrong one, every version of android has its own gapps, if you have 4.2.2 install ONLY 4.2.2 gapps)
done!
as i mentioned above, every rom comes with whatever that it comes with. a kernel, csc, blah blah blah.
so basically what happens when you flash the custom rom?
simple, you change the kernel (zImage) it has its own and that's what it needs to run, and official kernel cannot run an aosp rom. period.
you put a whole new framework, system, apps, based on the android version they have been developed in.
next if you want to modify things, you can get into themes, installing another kernel, changing baseband and ril(Radio Interface Layer), and so on.
well i hope this helps
xtachix said:
dont worry about the csc means really dont worry, every official rom, custom rom, comes with csc. some of them have multiple csc.
CWM = clockworkmod (this is the recovery integrated with the kernel. you have a few main types- cwm, twrp, official). this recovery allows you to install roms and such. version 6 is the latest. if i'm not mistaken the version you have for gingerbread would be (if you have cwm) 4 or 5.
cm = cyanogenmod (this is the rom)
they are two different things.
let us go through the basics:
what does a ROM have?
it has a kernel (this allows you to do the basic io stuff, it has cwm or twrp >> if custom, or official recover if official)
it has a bootloader (this allows you to get into a specific version of roms), official roms have the bootloader
it has system files (this is the actual rom base, it has all the modules)
it has basic apps (well, these are the apps, dialer, messaging, etc..)
it has csc
it has baseband and ril
let us elaborate a little bit:
your phone currently has gingerbread bootloader. so it is version 2.0+
to use Icecream sandwich you need the icecream sandwich bootloader. 4.0+
different version means different bootloader
this is where flashing a rom via odin comes in handy. it will install that specific bootloader into your phone
ofcourse along with other things, like the kernel, actual rom, apps. so you will have a full 4.1.2 system.
notice: ics and jb bootloaders are the same, reason is simple, the base version of both is 4, if there they introduce a version 5 android then everyone has to get the newest bootloader for version 5 to use it.
it doesnt matter where the 4.x+ comes from, if it is aosp aokp official miui, the bootloader is REQUIRED to run any of those
now your first step is to install the official rom (this way you ensure that you have the proper bootloader, and at the same time you get the official 4.1.2). now if you want to keep the official then there is nothing else to do, if by any chance you need to change csc then the steps there are simple, but it is not required. look up what is csc
next you need to install a kernel that has either cwm or twrp (this way you prepare yourself to install custom roms)
next you select the rom you would like to install, download it and put it in your sdcard
next you boot into recover (notice it is different from the official one, it has many options)
install the rom from the sdcard location
and in many cases you will have to install gapps (google apps, and do not make a mistake and install the wrong one, every version of android has its own gapps, if you have 4.2.2 install ONLY 4.2.2 gapps)
done!
as i mentioned above, every rom comes with whatever that it comes with. a kernel, csc, blah blah blah.
so basically what happens when you flash the custom rom?
simple, you change the kernel (zImage) it has its own and that's what it needs to run, and official kernel cannot run an aosp rom. period.
you put a whole new framework, system, apps, based on the android version they have been developed in.
next if you want to modify things, you can get into themes, installing another kernel, changing baseband and ril(Radio Interface Layer), and so on.
well i hope this helps
Click to expand...
Click to collapse
Thanks so much for the information !
I've managed to install 10.1 and now have 4.2.2 !
Thanks so much !
S2User said:
Thanks so much for the information !
I've managed to install 10.1 and now have 4.2.2 !
Thanks so much !
Click to expand...
Click to collapse
you're most welcome,
enjoy your newly flashed rom
Hello,
I have a stock Rezound at 4.0.3.
I would like to get it up to 4.4.2+ to run a specific app.
I've rooted a couple of phones in the past but never flashed a ROM and never an HTC.
Can someone recommend a stable, near-stock ROM and an outline of the processes?
Thanks
slingblade01 said:
Hello,
I have a stock Rezound at 4.0.3.
I would like to get it up to 4.4.2+ to run a specific app.
I've rooted a couple of phones in the past but never flashed a ROM and never an HTC.
Can someone recommend a stable, near-stock ROM and an outline of the processes?
Thanks
Click to expand...
Click to collapse
You will not find a "near stock" ROM that is 4.4.2 that will run on the Rez, stock meaning a Sense based ROM... You will have to go to an AOSP build like Plain Andy, Evervolv, or Liquid Smooth... Take you pick and see what strikes your fancy.
If you have never flashed a ROM before, this could be tricky... first step is unlocking via HTCdev.com, this will wipe your phone clean, you will then the latest TWRP recovery, the ROM zip, and Gapps. There are many tutorials on how to do so, and I would recommend going S-OFF at your earliest convenience.
I've got an old i9100 here with a very old version of wanamlite rom on it. I want to flash the latest CM and firmwares and get rid of all the storage issues that show up when I try to install new apps. Flashing seems to be quite different on this phone than on Nexus devices which I am used to. So some guidance would be really great! I've already read some guides, but I am still confused by how recovery and kernels are unified, as well as I might have to flash pit and ril files.
Lownita said:
I've got an old i9100 here with a very old version of wanamlite rom on it. I want to flash the latest CM and firmwares and get rid of all the storage issues that show up when I try to install new apps. Flashing seems to be quite different on this phone than on Nexus devices which I am used to. So some guidance would be really great! I've already read some guides, but I am still confused by how recovery and kernels are unified, as well as I might have to flash pit and ril files.
Click to expand...
Click to collapse
I'm not familiar with wanamlite rom, so i don't know what android version it has.
but if this rom is jellybean or kitkat, you're good to go and follow the guide made by saber to increase system partition and flash marshmallow or nogut roms.
if your rom is bellow android 4.1.2, then you have to update to the latest stock rom to update the bootloader.
Here is the guide:
http://forum.xda-developers.com/gal...vatives/mod-increase-partition-size-t3011162/
muhammad mujahid said:
I'm not familiar with wanamlite rom, so i don't know what android version it has.
but if this rom is jellybean or kitkat, you're good to go and follow the guide made by saber to increase system partition and flash marshmallow or nogut roms.
if your rom is bellow android 4.1.2, then you have to update to the latest stock rom to update the bootloader.
Here is the guide:
http://forum.xda-developers.com/gal...vatives/mod-increase-partition-size-t3011162/
Click to expand...
Click to collapse
Thank you! The Android version of the ROM is 4.1.2, so I guess I should be good.
If you want latest stable ROM, use Optimized CM13.
Follow my tutorial to migrate from old or stock ROM : https://forum.xda-developers.com/galaxy-s2/help/guide-tutorial-samsung-galaxy-s2-i9100-t3538601