Hey guys,J510FN user here.. I tried to go back to stock, tried flashing stock rom through odin 3.07 but it failed.. Now i cant boot to recovery or system ,it says to connect to pc smartswitch..i can boot to download but that firmware i have ..isnt good ,it begins instaling and after 10 sec it fails, after hidden.img.ext4.. And on the phone screen it says volume oo big ext4.. What does it mean? I just wanted to go back to stock 