[Q] Please Help - Galaxy S II Q&A, Help & Troubleshooting

Respected Everybody,
I have a big problem. I just cann`t get out of "ODIN MODE " . After Flashing a custom rom (ICS AOKP 4.0.4), but i failed now when i boot up nothing comes up after the samsung logo. my phone is rooted , had ICS 4.0.4 on it and is an samsung galaxy s2 I9100.
Now it Says :
ODIN MODE (in red)
PRODUCT NAME : GT i9100
CUSTOM BINARY DOWNLOAD : YES (1 counts)
current binary : custom
" Downloading .............
Do not turn off target !! "
It is recognized by my PC via Odin ( <ID:0/004>Added!!).
Please help to get out of this problem. Anxiously waiting for help. Please Guide me.

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As per your description, possible solutions as follows.
1. Boot your phone in recovery mode (Power+Home+Vol Up). Wipe Data/Factory Reset. Wipe Cache. Reboot
2. In download mode, flash stock ROM using different USB port with no internet connected.
This might solve your program.
Hit thanks if it helped you.

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Please Help
mihirjoe said:
As per your description, possible solutions as follows.
1. Boot your phone in recovery mode (Power+Home+Vol Up). Wipe Data/Factory Reset. Wipe Cache. Reboot
2. In download mode, flash stock ROM using different USB port with no internet connected.
This might solve your program.
Hit thanks if it helped you.
Click to expand...
Click to collapse
Thanks Sir.
But I just cann`t go into recovery mode. Whenever I try to do so , nothing happen. It hangs on Samsung logo again.
I only access Odin Mode (Power+Home+ Vol Down). What should i do. Please Help me.

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Micheal86 said:
Thanks Sir.
But I just cann`t go into recovery mode. Whenever I try to do so , nothing happen. It hangs on Samsung logo again.
I only access Odin Mode (Power+Home+ Vol Down). What should i do. Please Help me.
Click to expand...
Click to collapse
Your phone has entered a forced download mode.
You might have to flash a stock firmware to boot your phone properly
Sent from my GT-I9100 using Tapatalk 2

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Please Help
Jokesy said:
Your phone has entered a forced download mode.
You might have to flash a stock firmware to boot your phone properly
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Thanks Sir,
I follow you. Every thing was fine (according to ODIN Message). But now it hangs on samsung bootanimation logo screen. Every time I try It remains the same. Now please tell me what should I do ? Please Guide me.

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Micheal86 said:
Thanks Sir,
I follow you. Every thing was fine (according to ODIN Message). But now it hangs on samsung bootanimation logo screen. Every time I try It remains the same. Now please tell me what should I do ? Please Guide me.
Click to expand...
Click to collapse
Now boot to recovery mode and perform a Factory Data Reset
Sent from my GT-I9100 using Tapatalk 2

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Please Help
Jokesy said:
Now boot to recovery mode and perform a Factory Data Reset
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Thanks Sir.
But, It will be very helpful for me ,if you please guide me to boot to recovery mode.

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Micheal86 said:
Thanks Sir.
But, It will be very helpful for me ,if you please guide me to boot to recovery mode.
Click to expand...
Click to collapse
Turn off your phone, push up on volume+homebutton then hold power! And then you're in recovery!

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Micheal86 said:
Thanks Sir.
But, It will be very helpful for me ,if you please guide me to boot to recovery mode.
Click to expand...
Click to collapse
to boot to recovery mode.
1)turn off ur phone first
2) then hold the three button combo(Vol up + Home + Pwr button) simultaneously, hold until u see recovery then release.
3) in recovery u have the option ' Wipe Data/factory reset, hit the same and in the next screen select 'yes' to perform the wipe.
4) after finishing the same, again in recovery select ' reboot system' and wait for ur phone to reboot

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Please Help
Sun90 said:
to boot to recovery mode.
1)turn off ur phone first
2) then hold the three button combo(Vol up + Home + Pwr button) simultaneously, hold until u see recovery then release.
3) in recovery u have the option ' Wipe Data/factory reset, hit the same and in the next screen select 'yes' to perform the wipe.
4) after finishing the same, again in recovery select ' reboot system' and wait for ur phone to reboot
Click to expand...
Click to collapse
Thanks.
After doing everything will my beauty lost it`s rooted feature ? If so, then what should I do to root it again ? Is it the same before ? But the only difference is then it was ICS and now this will be GB (as I download the GB stock rom).
Now it will be :
Android Version
2.3.3
Baseband Version
I9100DDKE4
KERNEL VERSION
2.6.35.7 - I9100XWKF3 - CL276555 [email protected] #2
BUILD NUMBER
GINGERBREAD XWKF3
Would you be kindly enough to guide me to root it again, so that after rooting I will be able to flash an ICS AOKP custom rom ?
BTW , it will be fine if the CF - ROOT version is 5 or higher.

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Please Help
Adarzannh said:
Turn off your phone, push up on volume+homebutton then hold power! And then you're in recovery!
Click to expand...
Click to collapse
Thanks Sir.
I will try it.

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Micheal86 said:
Thanks.
After doing everything will my beauty lost it`s rooted feature ? If so, then what should I do to root it again ? Is it the same before ? But the only difference is then it was ICS and now this will be GB (as I download the GB stock rom).
Now it will be :
Android Version
2.3.3
Baseband Version
I9100DDKE4
KERNEL VERSION
2.6.35.7 - I9100XWKF3 - CL276555 [email protected] #2
BUILD NUMBER
GINGERBREAD XWKF3
Would you be kindly enough to guide me to root it again, so that after rooting I will be able to flash an ICS AOKP custom rom ?
BTW , it will be fine if the CF - ROOT version is 5 or higher.
Click to expand...
Click to collapse
Yes, you will lose root access.
You can download CF-ROOT kernel XWKF3 here: download.chainfire.eu/24/CF-Root/SGS2/CF-Root-SGS2_XW_CLK_KF3-v4.0-CWM4.zip
You need to first flash a stock based ICS ROM (at least), before flashing any AOKP based Rom
Sent from my GT-I9100 using Tapatalk 2

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Please Help
Jokesy said:
Yes, you will lose root access.
You can download CF-ROOT kernel XWKF3 here: download.chainfire.eu/24/CF-Root/SGS2/CF-Root-SGS2_XW_CLK_KF3-v4.0-CWM4.zip
You need to first flash a stock based ICS ROM (at least), before flashing any AOKP based Rom
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Many, many thanks Sir,
for your most valuable advice, which you have given from the very beginning.
One thing, by using "Check Fus Downloader 2.1 (by respected luffar joh), I have got a firmware for my region.
The details of the firmware is :
Product Code: GT-I9100LKAINU
Latest firmware: I9100XWLP7/I9100ODDLP9/I9100DDLPA/I9100XWLP7
Modified: 4/5/2012 6:15:29 PM
Filename: GT-I9100_INU_1_20120405181515_xrqgd7x460.zip.enc2.
Sir, Should I flash This One First ?
How do I install CWM v.6 (as I have read that it is much better than v.4 or v.5) after flashing the ICS AOKP ?

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Please Help
Thank you all for helping me a lot.
Now I just want to know that after flashing GB 2.3.3 ( KERNEL VERSION
2.6.35.7 - I9100XWKF3 - CL276555 [email protected] #2) Why I can not root my device ?
Whenever I try to root it, after flashing the Kernel (CF-Root-SGS2_XW_CLK_KF3-v4.0-CWM4), it always says:
Checking Device Connection...
Device Connected!
Restarting ADB Server...
Checking ROOT Access...
Superuser Request Has Been DENIED! Aborting...
Why it is happening and how to solve it ?

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Micheal86 said:
Thank you all for helping me a lot.
Now I just want to know that after flashing GB 2.3.3 ( KERNEL VERSION
2.6.35.7 - I9100XWKF3 - CL276555 [email protected] #2) Why I can not root my device ?
Whenever I try to root it, after flashing the Kernel (CF-Root-SGS2_XW_CLK_KF3-v4.0-CWM4), it always says:
Checking Device Connection...
Device Connected!
Restarting ADB Server...
Checking ROOT Access...
Superuser Request Has Been DENIED! Aborting...
Why it is happening and how to solve it ?
Click to expand...
Click to collapse
after flashing that GB firmware, do a factory reset, after that try rooting ur phone and see

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Please Help
Sun90 said:
after flashing that GB firmware, do a factory reset, after that try rooting ur phone and see
Click to expand...
Click to collapse
Thanks for your reply.
I just want to share something with you.
I have read somewhere in this forum that never do a factory reset with the stock rom (because of it`s kernel). First anyone have to change the kernel of the stock rom with siyah or dorimanx or darknight and then do anything you want.
According to that I have just tried to do that, but don`t know why I cann`t. Whenever I try to do that it always says "no signature validation",or something like that. I use CWM v.4.
Do I change the CWM to v.5 or v.6 by flashing ? I just don`t want to use CWM v.4.
BTW, now I am in :
Android Version
2.3.3
Baseband Version
I9100DDKE4
KERNEL VERSION
2.6.35.7 - I9100XWKF3 - CL276555 [email protected] #2
BUILD NUMBER
GINGERBREAD XWKF3
It` rooted. Do I flash any ICS rom in it ? If so, please help me to do that.
Please guide me.

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Micheal86 said:
1.
I have read somewhere in this forum that never do a factory reset with the stock rom (because of it`s kernel). First anyone have to change the kernel of the stock rom with siyah or dorimanx or darknight and then do anything you want.
2.
According to that I have just tried to do that, but don`t know why I cann`t. Whenever I try to do that it always says "no signature validation",or something like that. I use CWM v.4.
3.
Do I change the CWM to v.5 or v.6 by flashing ? I just don`t want to use CWM v.4.
4.
BTW, now , It` rooted. Do I flash any ICS rom in it ? If so, please help me to do that.
Please guide me.
Click to expand...
Click to collapse
1.
You are reading it WRONG!
What you read is only applicable to stock ICS 4.0.4 firmware. Nothing more!
Therefore in your case it is not applicable.
Those kernels you listed are ICS kernels, if you flash them on your phone, your device simply won't boot.
2. The reason why you couldn't flash those kernels is because they required minimum of CWM version 5.
3. You can change it by simply flashing Siyah kernel meant for gingerbread which comes with CWM version 5.
Like i said earlier, don't flash ICS kernel on Gingerbread, except an expert advise you on something.
4. If you want to flash an ICS ROM, it's very simple.
- First, you need to download Siyah kernel (for GT I9100, zip version) for gingerbread here : www.gokhanmoral.com/gm/2012/01/13/siyahkernel-v2-6-7/
- Flash the Siyah kernel via CWM recovery
- Download any stock based ICS ROM of your choice. When you are done, let me know.
Sent from my GT-I9100 using Tapatalk 2

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Please Help
Jokesy said:
1.
You are reading it WRONG!
What you read is only applicable to stock ICS 4.0.4 firmware. Nothing more!
Therefore in your case it is not applicable.
Those kernels you listed are ICS kernels, if you flash them on your phone, your device simply won't boot.
2. The reason why you couldn't flash those kernels is because they required minimum of CWM version 5.
3. You can change it by simply flashing Siyah kernel meant for gingerbread which comes with CWM version 5.
Like i said earlier, don't flash ICS kernel on Gingerbread, except an expert advise you on something.
4. If you want to flash an ICS ROM, it's very simple.
- First, you need to download Siyah kernel (for GT I9100, zip version) for gingerbread here : www.gokhanmoral.com/gm/2012/01/13/siyahkernel-v2-6-7/
- Flash the Siyah kernel via CWM recovery
- Download any stock based ICS ROM of your choice. When you are done, let me know.
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Many,many thanks Sir, for your most valuable advice.
At first I`m really very sorry for my mistake.
I have just downloaded the recommended kernel (with link).
And I have downloaded three stock/stock based based ICS roms.
1. XWLPG.SalmanRom_v4
2. Omega_ICS_v15_Black_Blue_XWLPG
3. by using "Check Fus Downloader 2.1 (by respected luffar joh), I have got a firmware for my region.
The details of the firmware is :
Product Code: GT-I9100LKAINU
Latest firmware: I9100XWLP7/I9100ODDLP9/I9100DDLPA/I9100XWLP7
Modified: 4/5/2012 6:15:29 PM
Filename: GT-I9100_INU_1_20120405181515_xrqgd7x460.zip.enc2.
(Though this one had the previous booting problem).
Now sir, please guide me.

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Micheal86 said:
Many,many thanks Sir, for your most valuable advice.
At first I`m really very sorry for my mistake.
I have just downloaded the recommended kernel (with link).
And I have downloaded three stock/stock based based ICS roms.
1. XWLPG.SalmanRom_v4
2. Omega_ICS_v15_Black_Blue_XWLPG
3. by using "Check Fus Downloader 2.1 (by respected luffar joh), I have got a firmware for my region.
The details of the firmware is :
Product Code: GT-I9100LKAINU
Latest firmware: I9100XWLP7/I9100ODDLP9/I9100DDLPA/I9100XWLP7
Modified: 4/5/2012 6:15:29 PM
Filename: GT-I9100_INU_1_20120405181515_xrqgd7x460.zip.enc2.
(Though this one had the previous booting problem).
Now sir, please guide me.
Click to expand...
Click to collapse
1. People who ask questions hardly make mistakes. This is the reason why you haven't yet made any mistake.
2. The third ICS firmware you posted can only be flashed via Odin. I'll say, just keep it somewhere. You won't need it for now.
3. Have you flashed the Siyah kernel yet?
If yes, please post your present and kernel details
Sent from my GT-I9100 using Tapatalk 2

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Please Help
Jokesy said:
1. People who ask questions hardly make mistakes. This is the reason why you haven't yet made any mistake.
2. The third ICS firmware you posted can only be flashed via Odin. I'll say, just keep it somewhere. You won't need it for now.
3. Have you flashed the Siyah kernel yet?
If yes, please post your present and kernel details
Sent from my GT-I9100 using Tapatalk 2
Click to expand...
Click to collapse
Sir, I have just try to flash the kernel, but I cann`t.
It says :
"E: signature verification failed
Installation aborted".