custom recovery topic

hi guys i rooted my phone per odin CF-Auto-Root-jflte-jfltexx-gti9505 and after the boot supersu blocked knox i made a backup imei, nv data mit QPTS, efs and nv items with efs professional! Now how to flash a custom recovery im on stock 4.3 jellybean i9505xxuemkf? and the nv items saved as txt files 00000 (0x0000) - OK its like this but i got in the txt parameter bad :S is it normal? thanks