Wifi trouble

So i decided to upgrade my Note3 N9005 to Lollipop Android 5.0 .. and i got an official Rom form sammobile ( N9005XXUGBOB6_N9005XEOGBOA4_XEO) ... every thing was running perfectly till i successfully loaded the rom using odin ... the wifi toggle in the first setup was grayed out ,so i skipped all of those steps .. entered the settings and found that when i slide the wifi toggle on , it only turns to grey , and nothing happens at all
so i booted recovery and made a factory reset and deleted cache .. but nothing happened .. then i reflashed the Rom , yet nothing happened. and i tried almost every solution i found online .. i flashed modem files , got a custom kernel , i even flashed another lollipop version , but nothing happened , so i thought desperately that rolling back to kitkat 4.4.2 might get my problem solved , yet nothing happened ,, the wifi toggle never turns the wifi on .. so i thought that it might be a hardware error .. but the bluetooth is running smoothly on both lollipop and kitkat so obviously it is not a hardware error

i'd appreciate any help getting my wifi back alive please

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