G920T cert file failed - GSM-Forum

hippolyte85 · 03-14-2016, 08:58

i av tried to writte SM-G920T cert file without success

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 'Read CERT' button to read certificates or 'Write CERT' to restore.
7. Press 'Write NV DATA' if you need to restore NV backup.

Operation: Write CERT
Selected model: SM-G920T
Software version: 24.6

Waiting ADB device...
Please, allow USB debugging on phone... OK
Reading phone info...
Model: SM-G920T
Android version: 5.1.1
Product code: SM-G920TZKATMB
Phone version: G920TUVS3DOJC
PDA version: G920TUVS3DOJC
CSC version: G920TTMB3DOJC
CSC country code: USA
CSC sales code: TMB
HW version: REV1.0
Phone S/N: R58G4107SLD
Modem board: SHANNON333
RF cal date: 20150417
IMEI:
Checking Super user right... true
Initialization AT RIL... OK
Checking certificate file... OK
KEY ID: 0346
Check version... OK
Initializating zTool... error (0)

Done with Samsung Tool PRO v.24.6

plz how can i solved this proble:?

xerraco · 03-15-2016, 10:48

As Blang said

Quote:

Use arter97 rooted kernel.

or downgrade modem.

Br,
xerraco

georgeodoom · 03-15-2016, 11:43

Use old version like 22.8

sleader32 · 03-15-2016, 16:37

have solution ..........................................send ...me pm

DaDa22 · 03-16-2016, 07:27

use this Modem(flash with odin) which will downgrade the baseband/modem to OJ7 and you will be good.

03-14-2016, 08:58	#1 (permalink)
hippolyte85 No Life Poster Join Date: Oct 2006 Location: yaoundé (av kennedy) Posts: 1,223 Member: 361348 Status: Offline Thanks Meter: 635	G920T cert file failed i av tried to writte SM-G920T cert file without success 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 'Read CERT' button to read certificates or 'Write CERT' to restore. 7. Press 'Write NV DATA' if you need to restore NV backup. Operation: Write CERT Selected model: SM-G920T Software version: 24.6 Waiting ADB device... Please, allow USB debugging on phone... OK Reading phone info... Model: SM-G920T Android version: 5.1.1 Product code: SM-G920TZKATMB Phone version: G920TUVS3DOJC PDA version: G920TUVS3DOJC CSC version: G920TTMB3DOJC CSC country code: USA CSC sales code: TMB HW version: REV1.0 Phone S/N: R58G4107SLD Modem board: SHANNON333 RF cal date: 20150417 IMEI: Checking Super user right... true Initialization AT RIL... OK Checking certificate file... OK KEY ID: 0346 Check version... OK Initializating zTool... error (0) Done with Samsung Tool PRO v.24.6 plz how can i solved this proble:?

03-15-2016, 11:43	#3 (permalink)
georgeodoom Freak Poster Join Date: Nov 2014 Location: accra -ghana Posts: 323 Member: 2296236 Status: Offline Thanks Meter: 143	Use old version like 22.8

03-15-2016, 16:37	#4 (permalink)
sleader32 Freak Poster Join Date: Jul 2015 Posts: 287 Member: 2429352 Status: Offline Thanks Meter: 72	have solution ..........................................send ...me pm

03-16-2016, 07:27	#5 (permalink)
DaDa22 Freak Poster Join Date: May 2006 Location: USA Posts: 115 Member: 280098 Status: Offline Thanks Meter: 63	use this Modem(flash with odin) which will downgrade the baseband/modem to OJ7 and you will be good.