Samsung i9505 and i9506 - IMEI CERTI: NA

[Exodusnz]

Hi guys

Trying to change the IMEI of two S4 phones

The repair is wokring but I cannot patch the certificate

The phones are saying IMEI CERTI: NA in the service mode

Can someone please help??

Operation: Reset EFS
Selected model: GT-I9505
Selected port: COM42 SAMSUNG Mobile USB Serial Port 
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: GT-I9505
Android version: 5.0.1
Product code: GT-I9505ZWABTU
Phone version: I9505XXUHOJ2
PDA version: I9505XXUHOJ2
CSC version: I9505BTUHOJ1
CSC country code: UK & IRE
CSC sales code: BTU
HW version: MP 0.900
Phone SN: 
Modem board: MDM9215M
RF cal date: 2013.05.30
IMEI: 
Checking Super user right... true
Backuping EFS... Ok
Reseting EFS... Ok
Rebooting phone... Ok
Done with Samsung Tool PRO v.27.7


Operation: Repair
Selected model: GT-I9505
Selected port: COM42 SAMSUNG Mobile USB Serial Port 
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: GT-I9505
Android version: 5.0.1
Product code: GT-I9505ZWABTU
Phone version: I9505XXUHOJ2
PDA version: I9505XXUHOJ2
CSC version: 
CSC country code: UK & IRE
CSC sales code: BTU
HW version: MP 0.900
Phone SN: 
Modem board: MDM9215M
RF cal date: 2013.05.30
IMEI: 
Initialization AT RIL... Ok
Bypass MSL Ok
Repairing IMEI... Ok
Rebooting phone... Ok
Repair done

Done with Samsung Tool PRO v.27.7

[Exodusnz]

Hi - was wondering if anyone could please help?

[Murat Bekar]

9505 and 9506 are no need patch cert or repair network

why do you want this ?

[Exodusnz]

Originally Posted by Murat Bekar

9505 and 9506 are no need patch cert or repair network

why do you want this ?

Because phone has only service sometimes - have tried multiple IMEI's

[Vahidpappali]

Originally Posted by Exodusnz

Because phone has only service sometimes - have tried multiple IMEI's

take all security back up first

reset efs

imei show 000/049...

then write new certificate file

then too same

write qcn file too

100% ok