SamSung G930w8 write cert problem

I read a cert from a clean samsung g930w8 and try to write to my another g30w8

Waiting ADB device… OK
Reading phone info…
Model: SM-G930W8
Android version: 6.0.1
Product code: SM-G930WZKARWC
Phone version: G930W8VLU1APD3
PDA version: G930W8VLU1APD3
CSC version: G930W8OYA1APD3
CSC country code: Canada
CSC sales code: RWC
HW version: REV0.2
Phone S/N: R58H331KFZX
Modem board: SHANNON335
RF cal date: 20160322
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait…
Start… OK
Init… OK
Generate and check client proof… OK
Verify proof by client… OK
Reading data… OK
HWID: 2F 04 0E 1E 8B 52 C9 F0 DB D1 AF 2F 30 71 5C 31
Checking certificate file… error
Incorrect IMEI signature

Done with Samsung Tool PRO v.26.2

the cert file is from the samsung model of s7, samsung version of os, and baseband is the same too.