G850f null/null after write CERT Z3X - GSM-Forum

Big_Ant · 05-27-2015, 11:02

Locked phone.
Root by CF-Auto-Root-slte-sltexx-smg850f

First backup efs and сert

Then Reset EFS

Operation: Reset EFS
Selected model: SM-G850F
Software version: 20.5

Waiting ADB device... OK
Reading phone info...
Model: SM-G850F
Android version: 4.4.4
Product code: SM-G850FZKESER
Phone version: G850FXXU1BOA2
PDA version: G850FXXU2BOA2
CSC version: G850FOXE2BOA1
CSC country code: Russia
CSC sales code: SER
HW version: MP 1.100
Phone S/N: R58FA07ХХХХ
Modem board: XMM7260
RF cal date: 2014.10.9
IMEI: 35601006431ХХХХ
Checking Super user right... true
Backuping EFS... OK
Reseting EFS... OK
Rebooting phone... OK

Done with Samsung Tool v.20.5

Then try write CERT - ERROR!

Operation: Write CERT
Selected model: SM-G850F
Software version: 20.5

Checking certificate file... OK
KEY ID: 0932
Waiting ADB device... OK
Reading phone info...
Model: SM-G850F
Android version: 4.4.4
Product code: Not Active
Phone version: G850FXXU1BOA2
PDA version: G850FXXU2BOA2
CSC version: G850FOXE2BOA1
CSC country code: Russia
CSC sales code: SER
HW version: REV__
Phone S/N:
Modem board: XMM7260
RF cal date: Unknown
IMEI: 004999010640000
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Detected new type of security version 0
Calculating... OK
Exception: Access violation at address 00825A0A in module 'SamsungTool.exe'. Read of address 0C6D0000

Done with Samsung Tool v.20.5

IMEI after *#06# - null/null

Then try several times

Operation: Write CERT
Selected model: SM-G850F
Software version: 20.5

Checking certificate file... OK
KEY ID: 0932
Waiting ADB device... OK
Reading phone info...
Model: SM-G850F
Android version: 4.4.4
Product code: Not Active
Phone version: G850FXXU1BOA2
PDA version: G850FXXU2BOA2
CSC version: G850FOXE2BOA1
CSC country code: Russia
CSC sales code: SER
HW version: REV__
Phone S/N:
Modem board: XMM7260
RF cal date: Unknown
IMEI: 004999010640000
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Detected new type of security version 0
Calculating... OK
Exception: Access violation at address 00825A0A in module 'SamsungTool.exe'. Read of address 0C7E0000

Done with Samsung Tool v.20.5

Operation: Write CERT
Selected model: SM-G850F
Software version: 20.5

Checking certificate file... OK
KEY ID: 0932
Waiting ADB device... OK
Reading phone info...
Model: SM-G850F
Android version: 4.4.4
Product code: Not Active
Phone version: G850FXXU1BOA2
PDA version: G850FXXU2BOA2
CSC version: G850FOXE2BOA1
CSC country code: Russia
CSC sales code: SER
HW version: REV__
Phone S/N:
Modem board: XMM7260
RF cal date: Unknown
IMEI: 004999010640000
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Detected new type of security version 0
Calculating... OK
Writing nv data... OK
Rebooting phone... OK
Write CERT done

Done with Samsung Tool v.20.5

And still null/null..
I try many CERT - error, then done, and still null/null

If write backup EFS - imei come back, but phone still lock

Help pls...

**blang** · 05-30-2015, 08:59

just use last version 21.2 for unlock fresh phone.
flash original efs backup and do unlock.

Big_Ant · 06-01-2015, 09:02

Sorry, but i dont have pro version..
OLD version not supportet yet?

**blang** · 06-01-2015, 10:28

Quote:

Originally Posted by Big_Ant

Sorry, but i dont have pro version..
OLD version not supportet yet?

20.x version have bug with exynos phones.

from 21.2 problem fixed,
try use 19.1 if you dont want buy pro.

Big_Ant · 06-01-2015, 11:45

Well done, thank!

Selected model: SM-G850F
Selected port: COM3 Z3X BOX Serial Port
Selected port speed: 115200
Checking certificate file... OK
Waiting ADB device... OK
Reading phone info...
Model: SM-G850F
Android version: 4.4.4
Product code: Not Active
Phone version: G850FXXU1ANHB
PDA version: G850FXXU2ANHB
CSC version: G850FOJK2ANH9
IMEI: 004999010640000
Phone S/N: Unknown
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Detected new type of security v0
Writing nv data... OK
Rebooting phone... OK
Write CERT done
Done with Samsung Tool v.19.1

jorrge · 06-10-2015, 00:08

Operation: Unlock
[ 09-06-2015 23:54:00 ] Selected model: SM-G850F
[ 09-06-2015 23:54:00 ] A versão do software: 21.3
[ 09-06-2015 23:54:00 ]
[ 09-06-2015 23:54:00 ] Esperando dispositivo ADB... Ok
[ 09-06-2015 23:54:00 ] Obtendo informações do telefone...
[ 09-06-2015 23:54:00 ] Modelo: SM-G850F
[ 09-06-2015 23:55:00 ] Versão do Android: 4.4.4
[ 09-06-2015 23:55:00 ] Código do produto: SM-G850FZKEVOD
[ 09-06-2015 23:55:00 ] Versão do Telefone: G850FXXU1BOA2
[ 09-06-2015 23:55:00 ] Versão do PDA: G850FXXU2BOA2
[ 09-06-2015 23:55:00 ] Versão do CSC: G850FVFG2BOA1
[ 09-06-2015 23:55:00 ] CSC country code: UK
[ 09-06-2015 23:55:00 ] CSC sales code: VOD
[ 09-06-2015 23:55:00 ] HW version: MP 1.100
[ 09-06-2015 23:55:00 ] Número do Serial: RF8F90DSXPZ
[ 09-06-2015 23:55:00 ] Modem board: XMM7260
[ 09-06-2015 23:55:00 ] RF cal date: 2014.9.9
[ 09-06-2015 23:55:00 ] IMEI: 355210060467053
[ 09-06-2015 23:55:00 ] Verificando direito de Super usuário... verdadeiro
[ 09-06-2015 23:55:00 ] Lendo dados nv... Ok
[ 09-06-2015 23:55:00 ] Verificando magia... Ok
[ 09-06-2015 23:55:00 ] iniciando zTool, por favor aguarde... OK
[ 09-06-2015 23:55:00 ] Detected new type of security version 0
[ 09-06-2015 23:55:00 ] Calculando... Ok
[ 09-06-2015 23:56:00 ] Desbloqueio... Ok
[ 09-06-2015 23:56:00 ] Reiniciando telefone... Ok
[ 09-06-2015 23:56:00 ] Desbloqueio concluido

done unlock and after wont register on network.
tried to register manual but no sucess.
any help»?

NimitZ · 08-12-2015, 13:38

Use:

19.1 to backup your CERT and EFS
20.5 to reset EFS
19.1 to write back your CERT
19.1 to unlock

Worked for me
Cheers

YesFixit · 11-07-2016, 12:31

Yes very good

not all NULl NULL its hardware problem

Quote:

Originally Posted by NimitZ

Use:

19.1 to backup your CERT and EFS
20.5 to reset EFS
19.1 to write back your CERT
19.1 to unlock

Worked for me
Cheers

05-27-2015, 11:02	#1 (permalink)
Big_Ant Freak Poster Join Date: Mar 2013 Location: Russia Posts: 139 Member: 1905377 Status: Offline Thanks Meter: 73	G850f null/null after write CERT Z3X Locked phone. Root by CF-Auto-Root-slte-sltexx-smg850f First backup efs and сert Then Reset EFS Operation: Reset EFS Selected model: SM-G850F Software version: 20.5 Waiting ADB device... OK Reading phone info... Model: SM-G850F Android version: 4.4.4 Product code: SM-G850FZKESER Phone version: G850FXXU1BOA2 PDA version: G850FXXU2BOA2 CSC version: G850FOXE2BOA1 CSC country code: Russia CSC sales code: SER HW version: MP 1.100 Phone S/N: R58FA07ХХХХ Modem board: XMM7260 RF cal date: 2014.10.9 IMEI: 35601006431ХХХХ Checking Super user right... true Backuping EFS... OK Reseting EFS... OK Rebooting phone... OK Done with Samsung Tool v.20.5 Then try write CERT - ERROR! Operation: Write CERT Selected model: SM-G850F Software version: 20.5 Checking certificate file... OK KEY ID: 0932 Waiting ADB device... OK Reading phone info... Model: SM-G850F Android version: 4.4.4 Product code: Not Active Phone version: G850FXXU1BOA2 PDA version: G850FXXU2BOA2 CSC version: G850FOXE2BOA1 CSC country code: Russia CSC sales code: SER HW version: REV__ Phone S/N: Modem board: XMM7260 RF cal date: Unknown IMEI: 004999010640000 Checking Super user right... true Reading nv data... OK Checking magic... OK Running zTool, please wait... OK Detected new type of security version 0 Calculating... OK Exception: Access violation at address 00825A0A in module 'SamsungTool.exe'. Read of address 0C6D0000 Done with Samsung Tool v.20.5 IMEI after *#06# - null/null Then try several times Operation: Write CERT Selected model: SM-G850F Software version: 20.5 Checking certificate file... OK KEY ID: 0932 Waiting ADB device... OK Reading phone info... Model: SM-G850F Android version: 4.4.4 Product code: Not Active Phone version: G850FXXU1BOA2 PDA version: G850FXXU2BOA2 CSC version: G850FOXE2BOA1 CSC country code: Russia CSC sales code: SER HW version: REV__ Phone S/N: Modem board: XMM7260 RF cal date: Unknown IMEI: 004999010640000 Checking Super user right... true Reading nv data... OK Checking magic... OK Running zTool, please wait... OK Detected new type of security version 0 Calculating... OK Exception: Access violation at address 00825A0A in module 'SamsungTool.exe'. Read of address 0C7E0000 Done with Samsung Tool v.20.5 Operation: Write CERT Selected model: SM-G850F Software version: 20.5 Checking certificate file... OK KEY ID: 0932 Waiting ADB device... OK Reading phone info... Model: SM-G850F Android version: 4.4.4 Product code: Not Active Phone version: G850FXXU1BOA2 PDA version: G850FXXU2BOA2 CSC version: G850FOXE2BOA1 CSC country code: Russia CSC sales code: SER HW version: REV__ Phone S/N: Modem board: XMM7260 RF cal date: Unknown IMEI: 004999010640000 Checking Super user right... true Reading nv data... OK Checking magic... OK Running zTool, please wait... OK Detected new type of security version 0 Calculating... OK Writing nv data... OK Rebooting phone... OK Write CERT done Done with Samsung Tool v.20.5 And still null/null.. I try many CERT - error, then done, and still null/null If write backup EFS - imei come back, but phone still lock Help pls...

05-30-2015, 08:59	#2 (permalink)
blang Product Manager Join Date: Oct 2000 Location: future Posts: 22,431 Member: 2368 Status: Offline Sonork: 100.111111 Thanks Meter: 186,554	just use last version 21.2 for unlock fresh phone. flash original efs backup and do unlock.

06-01-2015, 09:02	#3 (permalink)
Big_Ant Freak Poster Join Date: Mar 2013 Location: Russia Posts: 139 Member: 1905377 Status: Offline Thanks Meter: 73	Sorry, but i dont have pro version.. OLD version not supportet yet?

06-01-2015, 11:45	#5 (permalink)
Big_Ant Freak Poster Join Date: Mar 2013 Location: Russia Posts: 139 Member: 1905377 Status: Offline Thanks Meter: 73	Well done, thank! Selected model: SM-G850F Selected port: COM3 Z3X BOX Serial Port Selected port speed: 115200 Checking certificate file... OK Waiting ADB device... OK Reading phone info... Model: SM-G850F Android version: 4.4.4 Product code: Not Active Phone version: G850FXXU1ANHB PDA version: G850FXXU2ANHB CSC version: G850FOJK2ANH9 IMEI: 004999010640000 Phone S/N: Unknown Checking Super user right... true Reading nv data... OK Checking magic... OK Running zTool, please wait... OK Detected new type of security v0 Writing nv data... OK Rebooting phone... OK Write CERT done Done with Samsung Tool v.19.1

06-10-2015, 00:08	#6 (permalink)
jorrge Junior Member Join Date: Dec 2005 Posts: 29 Member: 205557 Status: Offline Thanks Meter: 2	Operation: Unlock [ 09-06-2015 23:54:00 ] Selected model: SM-G850F [ 09-06-2015 23:54:00 ] A versão do software: 21.3 [ 09-06-2015 23:54:00 ] [ 09-06-2015 23:54:00 ] Esperando dispositivo ADB... Ok [ 09-06-2015 23:54:00 ] Obtendo informações do telefone... [ 09-06-2015 23:54:00 ] Modelo: SM-G850F [ 09-06-2015 23:55:00 ] Versão do Android: 4.4.4 [ 09-06-2015 23:55:00 ] Código do produto: SM-G850FZKEVOD [ 09-06-2015 23:55:00 ] Versão do Telefone: G850FXXU1BOA2 [ 09-06-2015 23:55:00 ] Versão do PDA: G850FXXU2BOA2 [ 09-06-2015 23:55:00 ] Versão do CSC: G850FVFG2BOA1 [ 09-06-2015 23:55:00 ] CSC country code: UK [ 09-06-2015 23:55:00 ] CSC sales code: VOD [ 09-06-2015 23:55:00 ] HW version: MP 1.100 [ 09-06-2015 23:55:00 ] Número do Serial: RF8F90DSXPZ [ 09-06-2015 23:55:00 ] Modem board: XMM7260 [ 09-06-2015 23:55:00 ] RF cal date: 2014.9.9 [ 09-06-2015 23:55:00 ] IMEI: 355210060467053 [ 09-06-2015 23:55:00 ] Verificando direito de Super usuário... verdadeiro [ 09-06-2015 23:55:00 ] Lendo dados nv... Ok [ 09-06-2015 23:55:00 ] Verificando magia... Ok [ 09-06-2015 23:55:00 ] iniciando zTool, por favor aguarde... OK [ 09-06-2015 23:55:00 ] Detected new type of security version 0 [ 09-06-2015 23:55:00 ] Calculando... Ok [ 09-06-2015 23:56:00 ] Desbloqueio... Ok [ 09-06-2015 23:56:00 ] Reiniciando telefone... Ok [ 09-06-2015 23:56:00 ] Desbloqueio concluido done unlock and after wont register on network. tried to register manual but no sucess. any help»?

08-12-2015, 13:38	#7 (permalink)
NimitZ Major Poster Join Date: May 2007 Location: Poland, Krakow Posts: 49 Member: 506107 Status: Offline Sonork: 100.1590279 Thanks Meter: 5	Use: 19.1 to backup your CERT and EFS 20.5 to reset EFS 19.1 to write back your CERT 19.1 to unlock Worked for me Cheers