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Root [Sprint/Cricket] kernals

What kernel you flash is gonig to depend heavily on the base of the ROM you are running.

AOSP ROMS require AOSP kernels

It follows that...

Touchwiz ROMS require Touchwiz kernels


If you try to flash the wrong kernel type it will not boot, and you'll have to either restore a nandroid, reflash your ROM, or flash the correct kernel type.
 
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I installed the KT747 kernel for TW and followed the instructions to flash, then wipe cache and dalvik, fixed permissions.

Now when I boot the phone I get the KT Kernel screen, followed by the Samsung and Sprint animations and then it gets stuck with the pulsating Samsung screen.

Pulled battery and tried again, no change.

Any idea why that would be and how to fix it ?
 
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How long did you leave it trying to boot before pulling the battery?

Not sure, maybe a minute or so?

The first time around it went through the "upgrading Android" as it always does after wiping dalvik. Then it went to the pulsating Samsung screen where it seems to be stuck.

Also, every 15 seconds or so I get a short haptic feedback on the stuck screen
 
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Nothing worked. Now I only get to the Samsung Galaxy SIII screen.

I need to completely start over.

Any help in this is greatly appreciated as my head is now spinning.

Where do I find the latest stock (rooted) ROM ?

Edit: I am downloading the full MD4 ROM from your earlier link.

I assume I will have to re-root.

Will I have to reflash the firmware and modem or is that included in the Full ROM ?
 
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So I was able to restore to an older MB1 backup I found on my PC.

All was well,

Then I updated to MD4 , flashed the firmware and the ROM as explained in post #2 in this thread: Your way to update to MD4 - Android Forums at AndroidCentral.com
I have done this before successfully.
Now I am back again at the Samsung Galaxy SIII screen and nothing happens.

Did it twice and still no luck. What the heck is going on with this phone ?
 
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