G928A PG1 missing DRK Help

[silvertigre2012]

Hi need help, got this phone and is missing DRK error on recovery, try the combination files but not working for this one, last one was OK1, Any help will be greatly appreciated...

[Castle2k]

Hi mate have u tried to repair by writing a new cert file over?
It should be alright after.

Sent from my LG-H631 using Tapatalk

[ghacks]

Originally Posted by silvertigre2012

Hi need help, got this phone and is missing DRK error on recovery, try the combination files but not working for this one, last one was OK1, Any help will be greatly appreciated...

bro for my experience z3x cannot do nothing about security pach latest firmware for the moment but u can write cert via with old samsung tools like
21.9 i done but u cannot unlock it after u can use GCPRO KEY for unlock after its my method i done .


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

Operation: Write CERT
Selected model: SM-G925T
Software version: 21.9

Checking certificate file... OK
KEY ID: 0346
Waiting ADB device... OK
Reading phone info...
Model: SM-G925T
Android version: 5.0.2
Product code:
Phone version: G925TUVU4EPE8
PDA version: FA50_G925TUVU4APE1 thats my combinaison FW.
CSC version:
CSC country code:
CSC sales code:
HW version:
Phone S/N:
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... OK
Checking MSL... OK
Checking for compatible phone and cert... OK
Phone KEY ID: 0346
Writing CERT... OK
Checking CERT status... OK
Rebooting phone... OK
Write CERT done
Done with Samsung Tool PRO v.21.9

[silvertigre2012]

Originally Posted by Castle2k

Hi mate have u tried to repair by writing a new cert file over?
It should be alright after.

Sent from my LG-H631 using Tapatalk

Originally Posted by ghacks

bro for my experience z3x cannot do nothing about security pach latest firmware for the moment but u can write cert via with old samsung tools like
21.9 i done but u cannot unlock it after u can use GCPRO KEY for unlock after its my method i done .
..

Hi, thanks for the reply but I can not get into the sistem at all, I did flash the firmware again but gets stuck on a recovery window saying DRK missing...and can't get it to boot..

[silvertigre2012]

fixed , flashed comb via special odin all ok

[khaderjanini91]

dont need combination guys just flash cf root the phone will start back on then
fix drk adb

[silvertigre2012]

This is the att version no cf root

Sent from my SAMSUNG-SM-G900A using Tapatalk

[khaderjanini91]

Cf root for fix drk on T-Mobile phone
Att phone you need the factory binary combination flash it use drk fix with gc pro key
Then will be fixed

[BootyHunter57]

Originally Posted by ghacks

bro for my experience z3x cannot do nothing about security pach latest firmware for the moment but u can write cert via with old samsung tools like
21.9 i done but u cannot unlock it after u can use GCPRO KEY for unlock after its my method i done .


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

Operation: Write CERT
Selected model: SM-G925T
Software version: 21.9

Checking certificate file... OK
KEY ID: 0346
Waiting ADB device... OK
Reading phone info...
Model: SM-G925T
Android version: 5.0.2
Product code:
Phone version: G925TUVU4EPE8
PDA version: FA50_G925TUVU4APE1 thats my combinaison FW.
CSC version:
CSC country code:
CSC sales code:
HW version:
Phone S/N:
Modem board: SHANNON333
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... OK
Checking MSL... OK
Checking for compatible phone and cert... OK
Phone KEY ID: 0346
Writing CERT... OK
Checking CERT status... OK
Rebooting phone... OK
Write CERT done
Done with Samsung Tool PRO v.21.9

GC pro can fix DRK through UART in less than 30 seconds if he has access to main menu

[shawn4life]

COMBINATION_FA51_G928AUCU2APH3 anybody got this file could share