If you are on dead boot for some reason,you can skip step 1.
if you want to downgrade from knox bootloader,first backup your data.this will wipe the device
Write to sdcard n7105_boot1.img file
Disassemble the phone and inserd the sdcard in it`s place.connect the lcd cable,battery and power button cable to the motherboard as in picture
!!!!! THIS IS VERY DANGEROUS PROCEDURES,YOU CAN DAMAGE THE LCD CABLE!!!!
Around the resistor are glue.you must carefully remove the glue with tweezer.Heat the glue to ~ 80-100 *C with hotair gun or hairdryer then carefully remove it.
With a fine tweezers short red marked resistor
!!! you must keep battery connected,lcd ,short with tweezer and press power button with two hands !!!
Press power on button and keep shorting the resistor 3 more seconds then remove short.After few seconds you will see on screen `download completed`
After that you can assembles the phone.Now phone are in dead condition but it`s ok
Write to sdcard n7105_boot2.img file
Connect the battery and press power on buton. SDCARD MODE should appear on screen
Press vol down key to enter download mode
Now you can use odin