Error writer cert g800f Z3X

[Christopher2a]

Hello,
I need help because I have a S5 mini (G800F) which has a network concern, IMEI Ok, bassband ok, but it is not save on the network ....

I wanted to do a cert to fix but I have an error
Checking NV data ... error
Security damaged (1)

I need help please!

thank you in advance for your help

[adebayo0437]

Flash efs,ur problem will be solved. 100%

Sent from my HTC One mini 2 using Tapatalk

[Christopher2a]

Waiting ADB device... OK
Reading phone info...
Model: SM-G800F
Android version: 6.0.1
Product code:
Phone version: G800FXXU1CPL1
PDA version: G800FXXU1CPL1
CSC version: G800FDBT1CPL1
CSC country code: Germany
CSC sales code: DBT
HW version:
Phone SN: 00000000000
Modem board: SS222
Security patch: 2016-12-01
RF cal date:
IMEI: 35069520********
Checking Super user right... true
Backuping EFS... OK
Reseting EFS... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.29.5

But I still have the problem of CERT after....

[adebayo0437]

U reset efs instead, download efs from 4shared.I'm unable to upload mine now.

Sent from my HTC One mini 2 using Tapatalk

[xerraco]

You need a valid security to patch CERT.


Br,
xerraco

[Christopher2a]

how do i make this?
I noticed that the worry is bind to SN