I have Samsung galaxy S3 (shv-e210s) android 4.3 device. I want to upgrade this device to kitkat so I looked sammobile for download roms. I saw kitkat is available for my device I downloaded kitkat rom and try to flash it to my phone using odin. But unfortunately odin not passed successfully and my device bricked... 
. Then I go to download mode I saw blue row 'secure download enabled'. I connect my phone to my pc but odin not detect my device... 
so I can't flash roms to my device now...
I want to know what is 'secure download enabled' row on download mode and why android kitkat not succussfully intalled?
(My current android 4.3 details and downloaded android version details attached in this post)
(Sorry for my bad English
)
. Then I go to download mode I saw blue row 'secure download enabled'. I connect my phone to my pc but odin not detect my device... 
so I can't flash roms to my device now...I want to know what is 'secure download enabled' row on download mode and why android kitkat not succussfully intalled?
(My current android 4.3 details and downloaded android version details attached in this post)
(Sorry for my bad English
)
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