Problem repair imei G925F

[VoLv3R]

Hi, i am in trouble in repair imei on a G925F.
I've try lot of firmwares.. I was originaly on android 6, then I've downgraded, but always same problem! here is the log:
Platform: Samsung Android
Selected port: COM5
Selected model: SM-G925F
Detected phone model: SM-G925F
Firmware compiled date: Fri Sep 25 16:06:47 KST 2015
PDA version: G925FXXU3COI9
CSC version: G925FBTU3COJ1
SW version: G925FXXU3COJ6
Phone SN: RFXXXXXXXXXXX
Android version: 5.1.1 (LMY47X)
Sales code: BTU
Country: UK & IRE
HW platform: exynos5
HW Chip: exynos7420
HW Modem: SHANNON333
Codename: zeroltexx
Checking Root:
Phone is Rooted.
Reading security backup, please wait...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung\BACKUP\Security-SM-G925F-Unknown07-04-2017_02-05-28-.asec file
Initializing exploit...OK
Executing exploit...
Please remove SIM card if it is inserted and try again!
Executing exploit failed
Write IMEI failed
Performed by 2.4.9 Software version.

No sim card is inserted! I've downloaded almost 50gb of firmwares but i've no found a solution! Have u got some suggestion? Thank you!

[Octopus box]

Hello.

What root method/exploit did You use to root the phone?

[VoLv3R]

Originally Posted by Octopus box

Hello.

What root method/exploit did You use to root the phone?

Hi, i've used cf root, the version for 6.0.1 and the one for 5.1.1.

[VoLv3R]

some suggest? Thank you!

[Octopus box]

If You want to repair phone's IMEI via "Repair IMEI" operation - please upgrade phone firmware version to Android 6.0.1, root it, then perform "Repair IMEI" operation again. While phone is on Android 5.1.1 - You can try to write a Cert file.

Also, please use the latest Software version.

[allumts]

Hello, loock here with Latest Softwere Version 2.5.1:

G925f, imei&bb null + security + drk damaged, success repaired "new version" 2.5.1

BR
allumts