SM-N900 read CERT Fail - GSM-Forum

hyratech · 05-05-2015, 19:58

hi,

i'm getting error while reading cert from a SM-N900 phone:

BACKUP INSTRUCTIONS:

Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read EFS' button to read backup or 'Write EFS' to restore or
press 'Read CERT' button to read certificates or 'Write CERT' to restore.

Operation: Read CERT
Selected model: SM-N900
Software version: 21.0

Waiting ADB device... OK
Reading phone info...
Model: SM-N900
Android version: 5.0
Product code: SM-N9000ZWEXSG
Phone version: N900XXUEBNL6
PDA version: N900XXUEBOA6
CSC version: N900SEREBOA6
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.600
Phone S/N: R51FA16F0WR
Modem board: XMM6360
RF cal date: 2014.10.21
IMEI:
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Security damaged or incorrect key

Done with Samsung Tool PRO v.21.0

**blang** · 05-06-2015, 20:07

Quote:

Originally Posted by hyratech

hi,

i'm getting error while reading cert from a SM-N900 phone:

BACKUP INSTRUCTIONS:

Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read EFS' button to read backup or 'Write EFS' to restore or
press 'Read CERT' button to read certificates or 'Write CERT' to restore.

Operation: Read CERT
Selected model: SM-N900
Software version: 21.0

Waiting ADB device... OK
Reading phone info...
Model: SM-N900
Android version: 5.0
Product code: SM-N9000ZWEXSG
Phone version: N900XXUEBNL6
PDA version: N900XXUEBOA6
CSC version: N900SEREBOA6
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.600
Phone S/N: R51FA16F0WR
Modem board: XMM6360
RF cal date: 2014.10.21
IMEI:
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Security damaged or incorrect key

Done with Samsung Tool PRO v.21.0

phone working or not? network ok?

did you try full reset phone, may-be there installed lot of different application.?

alamgarh · 05-06-2015, 21:07

Quote:

Originally Posted by hyratech

hi,

i'm getting error while reading cert from a SM-N900 phone:

BACKUP INSTRUCTIONS:

Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.
1. Power on the phone.
2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options',
go to 'Settings'-'Developer options' and enable 'USB debugging'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read EFS' button to read backup or 'Write EFS' to restore or
press 'Read CERT' button to read certificates or 'Write CERT' to restore.

Operation: Read CERT
Selected model: SM-N900
Software version: 21.0

Waiting ADB device... OK
Reading phone info...
Model: SM-N900
Android version: 5.0
Product code: SM-N9000ZWEXSG
Phone version: N900XXUEBNL6
PDA version: N900XXUEBOA6
CSC version: N900SEREBOA6
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.600
Phone S/N: R51FA16F0WR
Modem board: XMM6360
RF cal date: 2014.10.21
IMEI:
Checking Super user right... true
Reading nv data... OK
Checking magic... OK
Running zTool, please wait... OK
Security damaged or incorrect key

Done with Samsung Tool PRO v.21.0

Security damaged or incorrect key
Security damaged or incorrect key

This is your answer

hyratech · 05-06-2015, 22:10

Quote:

Originally Posted by alamgarh

Security damaged or incorrect key
Security damaged or incorrect key

This is your answer

NOPE,, it was android 5.0 problem.. i downgraded back to 4.4.2 and reads good. and i tested the cert also. all is ok.. it seems the problem was with 5.0 ..

tried to use Octopus box to read the cert. they can read it, but cert not usable.

downgrade to 4.4.2 and all works good.

05-05-2015, 19:58	#1 (permalink)
hyratech Freak Poster Join Date: Aug 2009 Location: NYC Posts: 353 Member: 1105429 Status: Offline Thanks Meter: 118	SM-N900 read CERT Fail hi, i'm getting error while reading cert from a SM-N900 phone: BACKUP INSTRUCTIONS: Phone must be rooted! If the software can't root the phone automatically, then you must root your device manually. 1. Power on the phone. 2. Tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options', go to 'Settings'-'Developer options' and enable 'USB debugging'. 3. Connect the phone to PC with USB cable, install drivers if needed. 4. Press 'Read EFS' button to read backup or 'Write EFS' to restore or press 'Read CERT' button to read certificates or 'Write CERT' to restore. Operation: Read CERT Selected model: SM-N900 Software version: 21.0 Waiting ADB device... OK Reading phone info... Model: SM-N900 Android version: 5.0 Product code: SM-N9000ZWEXSG Phone version: N900XXUEBNL6 PDA version: N900XXUEBOA6 CSC version: N900SEREBOA6 CSC country code: Russia CSC sales code: SER HW version: MP 0.600 Phone S/N: R51FA16F0WR Modem board: XMM6360 RF cal date: 2014.10.21 IMEI: Checking Super user right... true Reading nv data... OK Checking magic... OK Running zTool, please wait... OK Security damaged or incorrect key Done with Samsung Tool PRO v.21.0