some help with EFS for G930F

hello, i have a cellphone with problems in EFS, can't repair the IMEI, cuz, the signal status have a circle, i try to put a olf efs from B1 , work in B1 and B2 in custom firmware, but if upgrade to android 8, the efs fail and get again the circle =/


if any have or make a bkp for EFS and NV_Data from Binary 3 plz


ty