j200g cert write error - GSM-Forum

hitesh2000 · 02-19-2017, 11:39

hello z3x

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. Select device in ADB settings.
5. Press 'Read EFS' button to read backup or 'Write EFS' to restore.
6. Press 'Write CERT' to restore certificates.
7. Press 'Write NV DATA' if you need to restore NV backup.

Read certificate operation:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Read CERT' button to read certificates.

Operation: Write CERT
Selected model: SM-J200G
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: SM-J200G
Android version: 5.1.1
Product code: SM-J200GZDDINS
Phone version: J200GDDU2APJ2
PDA version: J200GDDU2APL7
CSC version: J200GODD2APL7
CSC country code: India
CSC sales code: INS
HW version: MP 0.300
Phone SN: RZ8H718C8GN
Chip name: EXYNOS3475
Modem board: SHANNON308
RF cal date: 20160719
IMEI:
Checking Super user right... true
Reading NV data... Ok
Checking NV data... Ok
Initialization zTool... Ok
Running zTool, please wait...
Start... Ok
Initialization... Ok
Generate and check client proof... Ok
Verify proof by client... Ok
Reading data from phone... Ok
Modem board: SHANNON308
HWID: AF B4 C7 7D C3 AB D7 3F 0F B3 A6 85 16 7C 0D 1B
Calculating... Ok
Initialization AT RIL...
AT RIL stopped, restarting... error (0)

Done with Samsung Tool PRO v.27.7

also canot downgrade phone.

anil4458 · 02-19-2017, 11:54

Quote:

Originally Posted by hitesh2000

hello z3x

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. Select device in ADB settings.
5. Press 'Read EFS' button to read backup or 'Write EFS' to restore.
6. Press 'Write CERT' to restore certificates.
7. Press 'Write NV DATA' if you need to restore NV backup.

Read certificate operation:
1. Power on the phone.
2. Connect the phone to PC with USB cable.
3. Check Samsung modem in device manager, install drivers if needed.
4. Press 'Read CERT' button to read certificates.

Operation: Write CERT
Selected model: SM-J200G
Software version: 27.7

Waiting ADB device... Ok
Reading phone info...
Model: SM-J200G
Android version: 5.1.1
Product code: SM-J200GZDDINS
Phone version: J200GDDU2APJ2
PDA version: J200GDDU2APL7
CSC version: J200GODD2APL7
CSC country code: India
CSC sales code: INS
HW version: MP 0.300
Phone SN: RZ8H718C8GN
Chip name: EXYNOS3475
Modem board: SHANNON308
RF cal date: 20160719
IMEI:
Checking Super user right... true
Reading NV data... Ok
Checking NV data... Ok
Initialization zTool... Ok
Running zTool, please wait...
Start... Ok
Initialization... Ok
Generate and check client proof... Ok
Verify proof by client... Ok
Reading data from phone... Ok
Modem board: SHANNON308
HWID: AF B4 C7 7D C3 AB D7 3F 0F B3 A6 85 16 7C 0D 1B
Calculating... Ok
Initialization AT RIL...
AT RIL stopped, restarting... error (0)

Done with Samsung Tool PRO v.27.7

also canot downgrade phone.

First flash then try again

Sent from my C6902 using Tapatalk

hitesh2000 · 02-19-2017, 12:25

Brother already tried but can't downgrade September patch

Sent from my Redmi Note 4 using Tapatalk

hitesh2000 · 02-20-2017, 05:11

Bump

Sent from my Redmi Note 4 using Tapatalk

hitesh2000 · 02-22-2017, 10:06

Team any solution .

faisal mustafa · 02-22-2017, 10:15

Flash another firmware and tben right cert

hitesh2000 · 02-22-2017, 10:30

Try with several firmwares but same error downgrade not working due to new security patch os September.

Sent from my Redmi Note 4 using Tapatalk

hitesh2000 · 02-23-2017, 05:13

Team please update as others have released update for new security

Sent from my Redmi Note 4 using Tapatalk

hitesh2000 · 02-23-2017, 20:11

Other company boxes are working on J200g with new security patch wake up Mr blang

Sent from my Redmi Note 4 using Tapatalk

02-19-2017, 11:39	#1 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	j200g cert write error hello z3x 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. Select device in ADB settings. 5. Press 'Read EFS' button to read backup or 'Write EFS' to restore. 6. Press 'Write CERT' to restore certificates. 7. Press 'Write NV DATA' if you need to restore NV backup. Read certificate operation: 1. Power on the phone. 2. Connect the phone to PC with USB cable. 3. Check Samsung modem in device manager, install drivers if needed. 4. Press 'Read CERT' button to read certificates. Operation: Write CERT Selected model: SM-J200G Software version: 27.7 Waiting ADB device... Ok Reading phone info... Model: SM-J200G Android version: 5.1.1 Product code: SM-J200GZDDINS Phone version: J200GDDU2APJ2 PDA version: J200GDDU2APL7 CSC version: J200GODD2APL7 CSC country code: India CSC sales code: INS HW version: MP 0.300 Phone SN: RZ8H718C8GN Chip name: EXYNOS3475 Modem board: SHANNON308 RF cal date: 20160719 IMEI: Checking Super user right... true Reading NV data... Ok Checking NV data... Ok Initialization zTool... Ok Running zTool, please wait... Start... Ok Initialization... Ok Generate and check client proof... Ok Verify proof by client... Ok Reading data from phone... Ok Modem board: SHANNON308 HWID: AF B4 C7 7D C3 AB D7 3F 0F B3 A6 85 16 7C 0D 1B Calculating... Ok Initialization AT RIL... AT RIL stopped, restarting... error (0) Done with Samsung Tool PRO v.27.7 also canot downgrade phone.

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02-19-2017, 12:25	#3 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	Brother already tried but can't downgrade September patch Sent from my Redmi Note 4 using Tapatalk

02-20-2017, 05:11	#4 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	Bump Sent from my Redmi Note 4 using Tapatalk

02-22-2017, 10:06	#5 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	Team any solution .

02-22-2017, 10:15	#6 (permalink)
faisal mustafa Freak Poster Join Date: Jan 2017 Location: pakistan Posts: 146 Member: 2667712 Status: Offline Thanks Meter: 27	Flash another firmware and tben right cert

02-22-2017, 10:30	#7 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	Try with several firmwares but same error downgrade not working due to new security patch os September. Sent from my Redmi Note 4 using Tapatalk

02-23-2017, 05:13	#8 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	Team please update as others have released update for new security Sent from my Redmi Note 4 using Tapatalk

02-23-2017, 20:11	#9 (permalink)
hitesh2000 No Life Poster Join Date: Oct 2006 Posts: 581 Member: 365730 Status: Offline Thanks Meter: 84	Other company boxes are working on J200g with new security patch wake up Mr blang Sent from my Redmi Note 4 using Tapatalk