How to download firmware :
Download and open SamFirm : https://bit.ly/samfirmnck
1 : Choose The model
2 : Region
3 : check update
Press the link to download your firmware .
How to Bypass frp lock on samsung with samfirm tool .
1 : select Samsung
2 : Press FRP Bypass and choose the app
3 : Press MTP Bypass FRP
Follow the instructions bellow
1: Turn on the device and wait for it to star up completely
2: Activate the wifi connection and connect to it.
3: Click ok
Press View .