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I can get my Samsung Galaxy S2 into download mode with the button combination with some trial and error (it doesn't work perfect), but once in download mode, the device does not stay there long enough for Odin to do it's job. Instead, the screen starts acting funny, and the phone seems to brick.

Any suggestions on what to do? I read all the posts including the make your own jig. would the jig solve my problem?

it seems that i get further in the process if i keep the batery removed longer. the farthest i've ever been (after battery 1 hour removed) is

<ID:0/003> Odin v.3 engine (ID:3)..
<ID:0/003> File analysis..
<ID:0/003> SetupConnection..
<ID:0/003> Initialzation..
<ID:0/003> Get PIT for mapping..
<ID:0/003> Firmware update start..
<ID:0/003> zImage
<ID:0/003> NAND Write Start!! 
<ID:0/003> Complete(Write) operation failed.

the battery voltage reads 3.95 V on an ordinary multimeter

Could this be a hardware problem?

I build the jig and the download mode worked perfectly. After finishing the Odin stuff, i runned the SupOneClick to flash the device. While flashing, the screen went funny again and SuperOneClick could not finish it's job.

please help me

The problem seems to be some kind of a race against the machine. from the moment i put in the battery, i have only a few seconds to do everything. The amount of time i have depends on the omount of time that the battery has been removed. If i wait something like one minute, even Odin cannot finish. If I wait for 10 minutes, Odin can finish, but SuperOneclick not. I waited for half an hour to have some more time. SuperOneClick went all the way to the command "pushing gingerbreak", and then the phone just froze.

Could it be a virus corrupting the memory?

I give up. The phone is officially declared dead.

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I'd try a jig... –  Matthew Read Jul 19 '11 at 15:31
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