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[Q] Bootloader Update/KitKat Update screwed up everything!

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Default [Q] Bootloader Update/KitKat Update screwed up everything!

I am desperately crying for help here!

I was using cm-10.2 with twrp 2.6, data encrypted.

Now I upgraded to cm-11 and before I needed to upgrade the boot. Now:

1.) I suddenly do not have any service! What can that be? The boot upgrade or cm-11?

2.) I wanted to revert to my cm-10 nandroid upgrade. However, twrp2 always says "Password failed, Please try again". That's impossible it's the correct password! I can start the normal system with the identical password and it used to work always!

So I have a broken phone currently

Can anyone help me out?
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Something similar happened to me earlier. Idk if this could be helpful.. I had a encrypted I747 and i flashed CM 10.1 on it, and phone was dead. However,I could go to download mode. So i Odin back to stock att rom. Even after odin i have problem booting because of my earlier encryption, so i factory rested in recovery. it worked for me. But i am not sure, if u have updated to 4.3 bootloader then running odin will brick ur phone.
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Did you flash a compatible modem?
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