Default I9305 Knox bootloader 4.3 to 4.1.2

Hi
I just want to know if i can flash 4.1.2 I9305XXBLL3 to 4.3 knox bootloader
I didn't like 4.3 and i want 4.1.2
I don't care about knox 0x1
Devices:
Huawei W1-U00 (AWESOME!!!)
Galaxy S3 (i9305) LTE (Faster than i9300)
ThL W8S (Very good phone!!! Wait for Gravity rom)
Samsung Galaxy Tab 2 P3110



Sold:Samsung Galaxy Core i8260 , Galaxy S3 i9300 (International), Huawei U8120, Nexus s, Sony Xperia Neo V
PLEASE hit THANKS IF I helped you