Need DRK Repair for SM-G920A 6.0.1 [Solved] - GSM-Forum

shaikh_shoeb50 · 02-18-2017, 15:26

need drk repair for G920A 6.0.1

after flash this firmware G920AUCS4CPG1

phone booting in recovery mode and showing this

Quote:

Device does not have DRK (Device Root Key), contact
to SW PL
Please flash ENG binary then install DRK

can any body help me....

Octopus box · 02-18-2017, 15:51

Hello.

To fix corrupted DRK You need to do the next:
1. Root the phone.
2. Perform "DRK fix" operation.
3. Reflash the phone with an original firmware.

j_gerdts · 02-19-2017, 00:26

-flash this https://www.androidfilehost.com/?fid=529152257862699084
-repair drk via uart (octopus)
-flash this https://www.androidfilehost.com/?fid=312968873555003924
-end

shaikh_shoeb50 · 02-22-2017, 13:21

Quote:

Originally Posted by j_gerdts

-flash this https://www.androidfilehost.com/?fid=529152257862699084
-repair drk via uart (octopus)
-flash this https://www.androidfilehost.com/?fid=312968873555003924
-end

thanks for reply brother...

i tried your solution but no luck...

when i try to repair drk via uart i get this error...

Quote:

Platform: Samsung Android
Selected port: COM54
Selected model: SM-G920A
Proper android device not found. Make shure that "USB debug" option
on the device is turned on.
DRK fixing failed!
Performed by 2.4.7 Software version.

and when i try to repair drk via usb cable i get this error...

Quote:

Platform: Samsung Android
Selected port: COM54
Selected model: SM-G920A
Detected phone model: SM-G920A
Firmware compiled date: Tue May 31 19:46:30 KST 2016
PDA version: FA50_G920AUCU4APF1
CSC version: unknown
SW version: G920AUCU4APF1
Phone SN: 00000000000
Android version: 5.0.2 (LRX22G)
Sales code: unknown
Country: unknown
HW platform: exynos5
HW Chip: exynos7420
HW Modem: SHANNON333
Codename: zeroflteuc
Checking Root:
Phone is not Rooted.
DRK fixing failed!
Performed by 2.4.7 Software version.

Octopus box · 02-22-2017, 13:32

Please download and install test Software version from "samsung/TEST SOFTWARE" folder of the Support Area. Repeat "DRK fix" operation via UART interface with test Software and post here the result.

kjava · 09-04-2017, 08:27

Platform: Samsung Android
Selected port: COM137
Selected model: SM-G920A
Note: Type *#0*# on the phone and connect UART cable.
Searching for device. Please wait...
Found phone on COM137
Reading info...
Device model: SM-G920A
Device IMEI: 00000000000000
MSL address: 0000000000
DM-Verity verification..
Fixing DRK..
DM-Verity verification..Ok!
DRK fixed successfully
Performed by 2.5.8 Software version.

C4savage · 10-17-2017, 15:05

I have the same problem. After unlocking I am getting unknown baseband and imei.
I tried the dm verification then click repair efs . Rebooted the phone same thing unknown baseband and imei.
Tried flashing the phone . Phone is stuck on recovery screen. in the bottom it is maked in red dm-verify verification failed ...
need to check drk first.
How do i get out from recovery clearing cache doesnt help

I checked the octoplus folder i am seeing a backup of the phone .Will this help in any way.

Octopus box · 10-17-2017, 15:22

Hello.

Please, try to refllash the phone with stock firmware. Also, please post here full Software log with all performed operations.

C4savage · 10-17-2017, 21:55

Flashed software but it is still stuck on android recovery . in the bottom in red device does not have drk contact sw pl
please flash eng binary then install drk

Welcome to Octoplus/Octopus Box Samsung software version 2.5.7
-----------------------------------------------------------------------------------
To connect SM-G920A phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
Selected firmware file: G920AUCS6DQC1_G920AATT6DQC1
_ATT_Android_6.0.1.oct
Please put the phone into Download Mode and connect USB cable.
To put SM-G920A into Download Mode, You have to perform the
following steps:
1. Press and hold "Volume-" + "Home" + "Power ON" keys.
2. When phone turns on, press "Volume+" key.
Found phone on
Firmware write started.
Writing BOOTLOADER section...
BOOTLOADER section has been written successfully.
Writing PARAM section...
PARAM section has been written successfully.
Writing CM section...
CM section has been written successfully.
Writing BOOT section...
BOOT section has been written successfully.
Writing RECOVERY section...
RECOVERY section has been written successfully.
Writing SYSTEM section...
SYSTEM section has been written successfully.
Writing USERDATA section...
USERDATA section has been written successfully.
Writing RADIO section...
RADIO section has been written successfully.
Writing CACHE section...
CACHE section has been written successfully.
Firmware writing successfully completed.
Performed by 2.5.7 Software version.

Octopus box · 10-18-2017, 07:47

Do the following:

1. Root the phone.
2. Perform "DRK fix" operation.
3. Post here full Software log.

C4savage · 10-20-2017, 01:44

Sucess at last

Welcome to Octoplus/Octopus Box Samsung software version 2.5.7

-----------------------------------------------------------------------------------
To connect SM-G920T phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
-----------------------------------------------------------------------------------
To connect SM-G920A phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM4
Selected model: SM-G920A
Detected phone model: SM-G920A
Firmware compiled date: Fri Mar 10 15:58:22 KST 2017
PDA version: G920AUCS6DQC1
CSC version: G920AATT6DQC1
SW version: G920AUCS6DQC1
Phone SN: RF1D45EJGGR
Android version: 6.0.1 (MMB29K)
Sales code: ATT
Country: USA
HW platform: exynos5
HW Chip: exynos7420
HW Modem: SHANNON333
Security patch level: 2017-03-01
SIM 1 status: absent
Codename: zeroflteuc
Checking Root:
Phone is Rooted.
Initializing exploit...
Executing exploit...
DM-Verity verification..not good!
Fixing DRK..
DRK fixed successfully
Performed by 2.5.7 Software version.

10-17-2017, 15:05	#7 (permalink)
C4savage Junior Member Join Date: Jan 2017 Posts: 39 Member: 2678967 Status: Offline Thanks Meter: 3	I have the same problem. After unlocking I am getting unknown baseband and imei. I tried the dm verification then click repair efs . Rebooted the phone same thing unknown baseband and imei. Tried flashing the phone . Phone is stuck on recovery screen. in the bottom it is maked in red dm-verify verification failed ... need to check drk first. How do i get out from recovery clearing cache doesnt help I checked the octoplus folder i am seeing a backup of the phone .Will this help in any way. Last edited by C4savage; 10-17-2017 at 15:10.

02-18-2017, 15:51	#2 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,928 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,421	Hello. To fix corrupted DRK You need to do the next: 1. Root the phone. 2. Perform "DRK fix" operation. 3. Reflash the phone with an original firmware.

02-19-2017, 00:26	#3 (permalink)
j_gerdts Freak Poster Join Date: Jun 2005 Age: 46 Posts: 369 Member: 152445 Status: Offline Thanks Meter: 16	-flash this https://www.androidfilehost.com/?fid=529152257862699084 -repair drk via uart (octopus) -flash this https://www.androidfilehost.com/?fid=312968873555003924 -end

02-22-2017, 13:32	#5 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,928 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,421	Please download and install test Software version from "samsung/TEST SOFTWARE" folder of the Support Area. Repeat "DRK fix" operation via UART interface with test Software and post here the result.

09-04-2017, 08:27	#6 (permalink)
kjava No Life Poster Join Date: Aug 2008 Location: PhnomPenh Cambodia Posts: 1,461 Member: 846616 Status: Offline Sonork: 100.1675590 Thanks Meter: 581	Platform: Samsung Android Selected port: COM137 Selected model: SM-G920A Note: Type #0# on the phone and connect UART cable. Searching for device. Please wait... Found phone on COM137 Reading info... Device model: SM-G920A Device IMEI: 00000000000000 MSL address: 0000000000 DM-Verity verification.. Fixing DRK.. DM-Verity verification..Ok! DRK fixed successfully Performed by 2.5.8 Software version.

10-17-2017, 15:22	#8 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,928 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,421	Hello. Please, try to refllash the phone with stock firmware. Also, please post here full Software log with all performed operations.

10-17-2017, 21:55	#9 (permalink)
C4savage Junior Member Join Date: Jan 2017 Posts: 39 Member: 2678967 Status: Offline Thanks Meter: 3	Flashed software but it is still stuck on android recovery . in the bottom in red device does not have drk contact sw pl please flash eng binary then install drk Welcome to Octoplus/Octopus Box Samsung software version 2.5.7 ----------------------------------------------------------------------------------- To connect SM-G920A phone you have to perform the following steps: 1. Disconnect USB cable from phone. 2. Go to Menu->Settings->More->About Device. 3.Tap on "Build number" 7 times to enable developer options. 4. Go to Menu->Settings->More->Developer options. 5. Turn on "USB Debugging" option. Selected firmware file: G920AUCS6DQC1_G920AATT6DQC1 _ATT_Android_6.0.1.oct Please put the phone into Download Mode and connect USB cable. To put SM-G920A into Download Mode, You have to perform the following steps: 1. Press and hold "Volume-" + "Home" + "Power ON" keys. 2. When phone turns on, press "Volume+" key. Found phone on Firmware write started. Writing BOOTLOADER section... BOOTLOADER section has been written successfully. Writing PARAM section... PARAM section has been written successfully. Writing CM section... CM section has been written successfully. Writing BOOT section... BOOT section has been written successfully. Writing RECOVERY section... RECOVERY section has been written successfully. Writing SYSTEM section... SYSTEM section has been written successfully. Writing USERDATA section... USERDATA section has been written successfully. Writing RADIO section... RADIO section has been written successfully. Writing CACHE section... CACHE section has been written successfully. Firmware writing successfully completed. Performed by 2.5.7 Software version.

10-18-2017, 07:47	#10 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,928 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,421	Do the following: 1. Root the phone. 2. Perform "DRK fix" operation. 3. Post here full Software log.

10-20-2017, 01:44	#11 (permalink)
C4savage Junior Member Join Date: Jan 2017 Posts: 39 Member: 2678967 Status: Offline Thanks Meter: 3	Sucess at last Welcome to Octoplus/Octopus Box Samsung software version 2.5.7 ----------------------------------------------------------------------------------- To connect SM-G920T phone you have to perform the following steps: 1. Disconnect USB cable from phone. 2. Go to Menu->Settings->More->About Device. 3.Tap on "Build number" 7 times to enable developer options. 4. Go to Menu->Settings->More->Developer options. 5. Turn on "USB Debugging" option. ----------------------------------------------------------------------------------- To connect SM-G920A phone you have to perform the following steps: 1. Disconnect USB cable from phone. 2. Go to Menu->Settings->More->About Device. 3.Tap on "Build number" 7 times to enable developer options. 4. Go to Menu->Settings->More->Developer options. 5. Turn on "USB Debugging" option. ----------------------------------------------------------------------------------- Platform: Samsung Android Selected port: COM4 Selected model: SM-G920A Detected phone model: SM-G920A Firmware compiled date: Fri Mar 10 15:58:22 KST 2017 PDA version: G920AUCS6DQC1 CSC version: G920AATT6DQC1 SW version: G920AUCS6DQC1 Phone SN: RF1D45EJGGR Android version: 6.0.1 (MMB29K) Sales code: ATT Country: USA HW platform: exynos5 HW Chip: exynos7420 HW Modem: SHANNON333 Security patch level: 2017-03-01 SIM 1 status: absent Codename: zeroflteuc Checking Root: Phone is Rooted. Initializing exploit... Executing exploit... DM-Verity verification..not good! Fixing DRK.. DRK fixed successfully Performed by 2.5.7 Software version.