Samsung J700H/DS dead after flash Done100%

J700H/DS dead after flash

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today i received Brand new j700H/DS 5 pcs for language

after flashing with odin all of them are dead no power at all

not going to download mode and nothing appears in computer when i connect it with computer

the flash file i use its working and tested file

always i use same file never had such a problem

after these phones i flash other phones on same flash file they are working fine

even not matter of downgrading because i flash a phone with a latest version the last version which was available in samemobile.com then i tried to downgrade its working fine

my question how to check if the bootloader is damage and which box has support for j700H boot repair

please replay i need a quick solution

thanks