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[Q] Help: Bootloop after upgrading CWM

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By GalaxyS2u, Junior Member on 19th August 2014, 11:33 PM
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Hi all,

For backup purpose , I tried to upgrade to the latest using Install Zip from an older CWM of my Samsung Galaxy S2.

And I'm in big trouble because after installing the clockworkmod recovery the phone won't boot anymore. It's stuck on "Galaxy SII - GT-I9100 - SAMSUNG" splash screen

The CWM works and gives this log:
I:Can't partition non mmcblk device: /devices/platform/dw_mmc//mmc_host/mmc0/mmc0

I can mount partition and accessed it from my pc.

I wiped cache and dalvic cache without more luck.
There is no vibration on boot either.

As my data aren't backup yet, I don't want to wip them out with some ROM. Did I miss something?
Any hint about what I should do to have the phone boot again would be greatly appreciated!

20th August 2014, 07:20 PM |#2  
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@GalaxyS2u did you flashed the right cwm/kernel for your rom since they are included in one boot.img? If you cannot flash an new rom anymore in the recovery or reflash the kernel /recovery then you need to flash an kernel/recovery in odin. Try an odin philz kernel if there is one else flash siyahkernel with odin.

And that partition thing is that even an valid partition ?
Backup your data first in recovery then try my things i suggested. I still think that the reason why it doesnt boot is because you flashed the wrong recovery/kernel.
Are you on stock btw? I suggest to try to flash philz kernel if you are on stock.
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21st August 2014, 09:23 PM |#3  
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Thanks a lot for your hint . That saves my precious!
I can manage to come back to my old CWM recovery with a flash of siyah with odin.
The new CWM works only with a new ROM and not with my old stock. With this experience, I am even able to upgrade to the KitKat version.

Viva this model and this community!
21st August 2014, 09:48 PM |#4  
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@GalaxyS2u glad to hear you figured it out I also had that problem when i flashed S2 first i soon found out that kernel/recovery were in one happy flashing😇
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