[Q] What do I require before ' Flashing a ROM ' ? - Galaxy S II Q&A, Help & Troubleshooting

Question as thread title.
I am a noob to all this rooting flashing, rom, odin stuff.
I've read about it as much as possible,
But when i actually head to the dev section, all i see is 2.3.4 or 2.3.5
But im living in singapore, and so far, i'm only living with 2.3.3
So the question is, if for example i see, Litening Rom 6.1,
and i see 2.3.4, does that mean i cant 'Flash' it into my phone?
Do i need 2.3.4 before flashing it?
Help is greatly appreciated,
Thanks in advance

Nope, you can flash any Rom you like.
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so when it says 2.3.4 , if i flash it, I'll get the features of 2.3.4?
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shawnaye said:
so when it says 2.3.4 , if i flash it, I'll get the features of 2.3.4?
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Click to expand...
Click to collapse
yes that is correct

the other thing I see is that the roms are based on XXKH3 etc etc, but I'm on something like DXKI2, what do I have to do?
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it would be really awesome if someone could provide me with a link to a step by step guide to installing a custom ROM to S2!
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shawnaye said:
it would be really awesome if someone could provide me with a link to a step by step guide to installing a custom ROM to S2!
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Click to expand...
Click to collapse
Their is no link you could start with a bit of reading FAQs etc .
FAQ
http://forum.xda-developers.com/showthread.php?t=1065995
Guide
http://forum.xda-developers.com/showthread.php?t=1125282
Stock Roms .and csc
http://forum.xda-developers.com/showthread.php?t=1075278
Root + CWM .
http://forum.xda-developers.com/showthread.php?t=1103399
Cognition or Villian rom probably the easiest .
jje

http://forum.xda-developers.com/showthread.php?p=14283342
Follow Chainfire's instructions exactly and you'll be fine. Any further questions, best to direct them to his forum.
After the matching CF-root kernel is flashed, you will have superuser and his custom recovery installed, then can then flash any custom rom placed on your sdcard via cwm recovery
Edit: also good links to info beaten to out by JJ,..... Again
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shawnaye said:
it would be really awesome if someone could provide me with a link to a step by step guide to installing a custom ROM to S2!
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Click to expand...
Click to collapse
you will find the guide on how to install a rom, in the thread of the rom you want to flash.
at the beginning of the original development right at the top there are guides on how to root and how to flash..
if you want any help just give me a message and what i know i will advice you
use this link first though
http://forum.xda-developers.com/showthread.php?t=1065995
EDIT: looks like JJE beat me to it

Hey guys, thanks for all the info. So basically what i gotta do first is to use CF-root to first root my phone?
Then i use cwm to do a backup, followed by flashing any rom with odin?

Yes but its follow the instructions for the relevant rom not flash any rom through Odin . Most custom roms are CWM flashes .
jje

CF-rooting my phone, right now my kernel version says : DXKI2
so if i download the file CF-Root-SGS2_XW_NEE_KI4-42-v4.2-CWM4.zip
would this be correct?
and i see that this file is CF-Root v4.2, SU 3.0, "insecure"
meaning is has superuser , but what does insecure mean?
should i download a secure one?
sorry for being a lil' troublesome..

Make sure you backup your efs folder
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Related

Flashing clockworkmod

Has anyone tried flashing clockworkmod using rom manager app? how was it composted to manual flash? Thanks.
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You cannot compost CWM .
Root and CWM post .
http://forum.xda-developers.com/showthread.php?t=1103399
ClockworkMod
CF-Root includes a custom version of CWM4. I always make custom versions, as the originals often do not take some Samsung specific things into account.
CF-Root/CWM4 is NOT compatible with ROM Manager! Manage/perform your backup/restores from CWM directly or using the CWM Manager application included with CF-Root
I'm sorry I don't know what you're saying. My phone is rooted already I only need to instal clockworkmod to install rom right? Please make it simple.
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Nurra said:
I'm sorry I don't know what you're saying. My phone is rooted already I only need to instal clockworkmod to install rom right? Please make it simple.
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Click to expand...
Click to collapse
Make it simple if you root with CMW & Root you get Clockwork Mod thats the method most custom roms use .
Other methods not a clue .
jje
JJEgan said:
You cannot compost CWM .
Click to expand...
Click to collapse
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Think jje might be saying keep it simple and use a kernel that has cwm. Chainfires cfroot kernels for instance.
Rom manager...why when you have cwm app already in cfroot.
Edit: like above post said. Cfroot is not compatible with Rom manager.
It's pretty simple.
Flash one of chainfires kernels with Odin. Now you have root and cwm accessible via up+home+power or cwm app.
Download the desired cwm installable package (eg Rom) to your internal sdcard.
Access cwm recovery mode like said above and follow the process EXACTLY as the instructions say in the thread where you downloaded the cwm installable package. Eg Rom
Hope this helps.
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Ahh you're making a sense. I thought my tech language was bad do iv can't understand JJ. Anyway thanks guys I'll try the manual way.
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THe thing I learned:
Never use ROM manager when using a ROM based on samsung firmware.
Use ROM manager when using AOSP ROM like CM7.
Here I am again guys, sorry to bother you with my quest to change rom.
OK, so I can't install cwm with Rom manager.
I've tried installing cwm using the cyanogenmod guide, with no success. It gave me this ''ERROR: Failed to access device. Libush error: -12"
At this point, I'm desperate to install any rom. So I tried to unroot then install a sercure kernel back in to update official firmware. Even that doesn't work. I can't install the secure kernel. I eneded up installing the insecure kernel just to get the phone to work. So please lead me to something that easy?
Install a CF-Root kernel via Odin.You get root and CWM all included so you can install ROMs and do whatever.Thats what people have been tryin to tell you.
http://forum.xda-developers.com/showthread.php?t=1103399
As that's great I'll try it asap. This is what I want to see simple and direct, you even provide a link.thanks a bunch dude.
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That was just too easy and here I was trying every other method. That thread should be pinned to the first page. Thanks everyone.

flash rom question

I want to ask if I want to flash this rom :
[ROM]{CWM}İCS REMİX ROM V7.4 XXLP2 4.0.3 resurrection NO-WİPE.CWM.zip
whether I should use Odin to flash the firmware of my I9100 to XXLP2 before flashing the rom???
(the firnware of my I9100 is XXKI3 now..)
tktommy said:
I want to ask if I want to flash this rom :
[ROM]{CWM}İCS REMİX ROM V7.4 XXLP2 4.0.3 resurrection NO-WİPE.CWM.zip
whether I should use Odin to flash the firmware of my I9100 to XXLP2 before flashing the rom???
(the firnware of my I9100 is XXKI3 now..)
Click to expand...
Click to collapse
no need to flash the firmware through odin..
go to cwm recovery.. wipe cache, wipe dalvik cache and factory reset(if you like) and flash it through the recovery!
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but when i enter to the recovery there are only 4 selection
reboot
update from sd-card
and 2 wipe
i had finsh the 2 wipe before i flash rom...
but i cant finish that
there are some faluts
tktommy said:
but when i enter to the recovery there are only 4 selection
reboot
update from sd-card
and 2 wipe
i had finsh the 2 wipe before i flash rom...
but i cant finish that
there are some faluts
Click to expand...
Click to collapse
there should me more then 4 options.. and one of them should be 'install/choose zip from sd card'..
and hit the thanks button!
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is my recovery needs to update to new version ?
I had used hero and its recovery will releases the lastest version
IS NOT...
how can i do to get the recovery has the whole options?
tktommy said:
is my recovery needs to update to new version ?
I had used hero and its recovery will releases the lastest version
IS NOT...
how can i do to get the recovery has the whole options?
Click to expand...
Click to collapse
Are you using the clockwork mod recovery or the stock one? Are you even rooted?
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tktommy said:
is my recovery needs to update to new version ?
I had used hero and its recovery will releases the lastest version
IS NOT...
how can i do to get the recovery has the whole options?
Click to expand...
Click to collapse
the recovery you have is the stock recovery.. and for flashing roms and stuff you require cloxkworkmod recovery!
so i would have to ask are you rooted?! if yes then how did you root your device..?
ill guide you from there!
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tktommy said:
is my recovery needs to update to new version ?
I had used hero and its recovery will releases the lastest version
IS NOT...
how can i do to get the recovery has the whole options?
Click to expand...
Click to collapse
Start reading on how to root and installing kernel with CWM Recovery. SGS kernel and recovery parttions are the same.
Easiest way is flash Chainfire's CF-Root kernel with Odin here: http://forum.xda-developers.com/showthread.php?t=1103399
There are many other ways; Intratech has a quick root guide in post #1 here: http://forum.xda-developers.com/showthread.php?t=1075278
Read, read and read some more until your confident to do it. Otherwise don't.
Please also read the "Stickies" in each forum and FAQ etc and search for answers BEFORE posting.
Best of luck
And if you really want to try ice cream sandwich, i will advice you to go with cm9 first as it delivers the smoothest of the experience with almost no force closes or random reboots. You arr aware of the fact that you are going to flash an expermental build right. Its not stable for daily use yet.
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kjshah said:
the recovery you have is the stock recovery.. and for flashing roms and stuff you require cloxkworkmod recovery!
so i would have to ask are you rooted?! if yes then how did you root your device..?
ill guide you from there!
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Click to expand...
Click to collapse
i try a method which is seem from a froum..
it ask me to DL doomlord_v4_root-zergrush-busybox-su.zip
and then the mobile connect to the computer and use cmd to root
after that i get the superuser
UpInTheAir said:
Start reading on how to root and installing kernel with CWM Recovery. SGS kernel and recovery parttions are the same.
Easiest way is flash Chainfire's CF-Root kernel with Odin here: http://forum.xda-developers.com/showthread.php?t=1103399
There are many other ways; Intratech has a quick root guide in post #1 here: http://forum.xda-developers.com/showthread.php?t=1075278
Read, read and read some more until your confident to do it. Otherwise don't.
Please also read the "Stickies" in each forum and FAQ etc and search for answers BEFORE posting.
Best of luck
Click to expand...
Click to collapse
thank you...
i will try my best
i have got the CWM
thx everyone.!!
moreover, do you have any rom highly recommend to me??
i use for daily so i want the rom is more saver in battery
tktommy said:
i have got the CWM
thx everyone.!!
moreover, do you have any rom highly recommend to me??
i use for daily so i want the rom is more saver in battery
Click to expand...
Click to collapse
try hyperdroid or the checkrom.. you will find them in 'original android development' section..
and use the search instead of asking such ques..
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tktommy said:
i have got the CWM
thx everyone.!!
moreover, do you have any rom highly recommend to me??
i use for daily so i want the rom is more saver in battery
Click to expand...
Click to collapse
am using MIUI right now. Very nice, suggest you give it a try =) But do backup first yeah with CWM.
Problem solved. This thread should be closed. No need for it anymore.
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[Q] Can't update Recovery by Odin.

I had installed the old version of ClockworkMod Touch. Now, I'm trying to update by Odin and is not working. This has happened with some of you? Thanks!
Hi
Try this, even I managed it and I'm a noob to flashing and rooting.....
http://forum.xda-developers.com/showthread.php?t=1719744
Hope it helps
I already tried that. But ClockworkMod continues in the old version. Although saying that Odin was successfully completed, the ClockworkMod not change.
Flash the firmware after reading the instructions.
jje
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Root file that should have read
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Already tried that. I read all instructions ;/ First time it worked, but not more with with others files.
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In that case two choices flash full stock firmware or leave it as it is .
jje
What I need to flash full stock firmware? Where can I download it?
Duailibe said:
What I need to flash full stock firmware? Where can I download it?
Click to expand...
Click to collapse
By looking in the General section for starters .
jje

Upgrade GB

Can someone tell me the descriptions of upgrading samsung s2 2.3.4 jokh8 to ICS
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1. make a back up of your current firmware
2. In recovery, do a wipe of the cache then go to advanced and wipe daavik cache.
3. Using odin flash the ics firmware you like.
this tutorial should help .
All in One guide for NOOBS! With Videos Now!
Will it erase all data?
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You already made 2 threads about rooting.
So since you "need" to be on ics,you open up another thread about gb-ics.
Whats next,a thread about how to use odin,or a thread about cwm.Or how about a thread for flashing kernel,or a thread about a rom.Then a thread about "help phone bricked".
Do us all a favour and read you lazy git.
enniocharchar said:
Can someone tell me the descriptions of upgrading samsung s2 2.3.4 jokh8 to ICS
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Click to expand...
Click to collapse
1. Root your phone by flashing a rooted kernel containing CWM recovery (e.g. SpeedMod for GB ROMs), if not already done.
2. Make a nandroid backup of your current GB system in CWM recovery. (So you can restore it if flashing does not work or you don't like the new ICS ROM and you want to go back to GB.)
3. Have a look here for the latest ICS stock ROMs => http://forum.xda-developers.com/showthread.php?t=1544487.
There is also a description in the first post how to flash the new stock ROM with Odin.
I recommend to flash a pre-rooted ICS stock ROM from here => http://forum.xda-developers.com/showthread.php?t=1608071.
Download the ROM, extract the zip file, put the tar/md5 file into PDA section of Odin and flash it to your phone. (Be sure that no Kies process is running on your PC while flashing.)
4. Once you are on ICS and rooted, you can install TriangleAway (=> http://forum.xda-developers.com/showthread.php?t=1494114&highlight=triangleaway) app to reset the flash counter if needed.
5. Be happy and enjoy the new ICS ROM.
Good luck !
enniocharchar said:
Will it erase all data?
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Click to expand...
Click to collapse
yes, beecause you are upgrading to a different firmware structure.
Can u describe the root part of it please ? Thanks
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[Q] How to flash a custom rom

Hi,
Sorry 4 this new thread but i'm new in SG2 forum and i wanna know how to flash a custom rom. What i need first? Only need to be rooted?
Give me some links to help me, please...
Thx
First of all what firmware version you on now? ICS or GB?
--- also as most people will tell you, a simple search would have helped before posting ---
JakeLee28 said:
First of all what firmware version you on now? ICS or GB?
also as most people will tell you, a simple search would have helped
Click to expand...
Click to collapse
ICS.
hXc71 said:
Hi,
Sorry 4 this new thread but i'm new in SG2 forum and i wanna know how to flash a custom rom. What i need first? Only need to be rooted?
Give me some links to help me, please...
Thx
Click to expand...
Click to collapse
This is the easy, wrong way. Search for yourself, all the info is allready out here on xda.
Edit: you should know this as you're here on xda for a long time.
JakeLee28 said:
--- also as most people will tell you, a simple search would have helped before posting ---
Click to expand...
Click to collapse
Exactly
Sent from the Matrix
hXc71 said:
ICS.
Click to expand...
Click to collapse
flash siyah kernal via ODIN (or any kernal you like), then you can flash any custom rom you like via CWM recovery. The rom you wanna flash depends on what your looking for.
Ok.
Thx
JakeLee28 said:
flash siyah kernal via ODIN (or any kernal you like), then you can flash any custom rom you like via CWM recovery. The rom you wanna flash depends on what your looking for.
Click to expand...
Click to collapse
You can flash siyah 4.1.5 from gokhanmoral. Com for galaxy s2
Then you are rooted. You will get CWM 6.0.
Then from recovery take back up of your current stock rom.
And flash any ICS Based custom rom.
Do these steps then in future you want to try JB custom rom then let me know
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hXc71 said:
Hi,
Sorry 4 this new thread but i'm new in SG2 forum and i wanna know how to flash a custom rom. What i need first? Only need to be rooted?
Give me some links to help me, please...
Thx
Click to expand...
Click to collapse
Wow, I'm amazed that you actually asked this question.
Seriously dude, learn what sticky threads and search button are before attempting to flash a device.
---delete---
TheATHEiST said:
Wow, I'm amazed that you actually asked this question.
Seriously dude, learn what sticky threads and search button are before attempting to flash a device.
Click to expand...
Click to collapse
I only ask because it's my first Samsung device and i'm sorry if i bother u.
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xDa_nightfury said:
You can flash siyah 4.1.5 from gokhanmoral. Com for galaxy s2
Then you are rooted. You will get CWM 6.0.
Then from recovery take back up of your current stock rom.
And flash any ICS Based custom rom.
Do these steps then in future you want to try JB custom rom then let me know
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Click to expand...
Click to collapse
It's because of that. I want to flash JB custom rom, so after root i need a new firmware. Am i right?
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hXc71 said:
It's because of that. I want to flash JB custom rom, so after root i need a new firmware. Am i right?
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Click to expand...
Click to collapse
Dnt be in hurry... I learnt like do one step read forums... Read more...
Just get rooted follow my steps.... I will tell u
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hXc71 said:
I only ask because it's my first Samsung device and i'm sorry if i bother u.
Sent from my HTC Sensation Z710e using xda premium
Click to expand...
Click to collapse
But still you could've searched first instead of opening a new thread... Especially because you know the rules of xda since you're a somewhat experienced user.
Sent from the Matrix

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