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[Q] SGH I337 bricked with Knox bootloader

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By nilesh.david, Junior Member on 11th March 2014, 10:59 AM
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Hello everybody,

Greeting!

I've got Samsung S4 SSGH I337 bricked. I was on 4.2.2 until I was curious to get the 4.4 update. However, after reading on the forums it said you cannot upgrade to 4.4 directly (Except OTA which I never got). You first need to upgrade to 4.3 and then upgrade to 4.4 using the update patch. All went successfully until I though 4.4 seem no good to me as the root method was not available and I personally didn't find 4.4 to be much different than 4.2.2.

I tried to downgrade, without knowing a thing about Knox, by updating a ATT Stock Root MF3.zip update. It went through but with some errors, which I don't remember. I was still with the same 4.4 as the update was a waste.

I then tried to downgrade to 4.2.2 flashing the I337UCUAMDL_I337ATTAMDL_I337UCUAMDL_HOME.tar with Odin. This never worked and I bricked my phone. The phone is not unable to boot and comes up with a screen - Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again.

Kies doesn't recognize the device. It just keep saying "Connecting". I later learnt that it's the Knox Bootloader that is not downgrade able. I tried flashing the leaked 4.4 firmware for SGH I337 to no luck.

Please help!

Thanks a ton in advance!
Nilesh
 
 
12th March 2014, 09:04 AM |#2  
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Nvm guys...
I figured it out myself and the issue has been resolved.

Thanks
Nilesh

Quote:
Originally Posted by nilesh.david

Hello everybody,

Greeting!

I've got Samsung S4 SSGH I337 bricked. I was on 4.2.2 until I was curious to get the 4.4 update. However, after reading on the forums it said you cannot upgrade to 4.4 directly (Except OTA which I never got). You first need to upgrade to 4.3 and then upgrade to 4.4 using the update patch. All went successfully until I though 4.4 seem no good to me as the root method was not available and I personally didn't find 4.4 to be much different than 4.2.2.

I tried to downgrade, without knowing a thing about Knox, by updating a ATT Stock Root MF3.zip update. It went through but with some errors, which I don't remember. I was still with the same 4.4 as the update was a waste.

I then tried to downgrade to 4.2.2 flashing the I337UCUAMDL_I337ATTAMDL_I337UCUAMDL_HOME.tar with Odin. This never worked and I bricked my phone. The phone is not unable to boot and comes up with a screen - Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again.

Kies doesn't recognize the device. It just keep saying "Connecting". I later learnt that it's the Knox Bootloader that is not downgrade able. I tried flashing the leaked 4.4 firmware for SGH I337 to no luck.

Please help!

Thanks a ton in advance!
Nilesh

6th April 2014, 06:16 AM |#3  
Junior Member
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Unhappy Uh Oh
Quote:
Originally Posted by nilesh.david

Nvm guys...
I figured it out myself and the issue has been resolved.

Thanks
Nilesh

What was the fix? I just did the same thing you did and am not sure now to fix it.
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