G935w8 Incorrect IMEI signature Samsung Tool PRO v.27.3 - GSM-Forum

ansari123 · 11-30-2016, 20:32

error on G935W8

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.
(Note, that the cert file for this model is unique. You can write cert, wich is readed from this device exactly.)

Operation: Write CERT
Selected model: SM-G935W8
Software version: 27.3

Waiting ADB device... Ok
Reading phone info...
Model: SM-G935W8
Android version: 6.0.1
Product code: SM-G935WZKARWC
Phone version: G935W8VLU1APD3
PDA version: G935W8VLU1APD3
CSC version: G935W8OYA1APD3
CSC country code: Canada
CSC sales code: RWC
HW version: REV0.1
Phone SN: RF8H52VA3GM
Chip name: EXYNOS8890
Modem board: SHANNON335
RF cal date: 20160526
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: SHANNON335
Calculating... Ok
HWID: FD 1A 34 3E 65 56 DD 77 C1 CA DD E1 BF 4B D5 CC
Initialization AT RIL...
AT RIL stopped, restarting... Ok
Checking for compatible phone and cert
Phone KEY ID: 0445
Checking certificate file... error
Incorrect IMEI signature
Done with Samsung Tool PRO v.27.3

rara1212 · 11-30-2016, 20:34

ANSARI SAAb... cert flash not required.

ansari123 · 11-30-2016, 20:56

After Repair imei Staus : NG now how we can fix this without Cert ?

ansari123 · 11-30-2016, 20:57

Operation: Info
Selected model: SM-G935W8
Software version: 27.3

Searching Samsung modem... detected COM211
Reading phone info... Ok
Model: SM-G935W8
AP version: G935W8VLU1APD3
CSC version: G935W8OYA1APD3
CP version: G935W8VLU1APD3
Product code: SM-G935WZKARWC
Phone SN: RF8H52VA3GM
Unique number: 9886743649324E4C35
Reading IMEI... Ok
IMEI: 3561600*****155 (SIGN: NG_SIGN)
Done with Samsung Tool PRO v.27.3

A4L · 11-30-2016, 21:29

Does the phone have the original IMEI certificate in it?

ansari123 · 11-30-2016, 21:47

Quote:

Originally Posted by A4L

Does the phone have the original IMEI certificate in it?

yes

i tried with original and also i tried to write other one which give error

after write original cert imei imei Staus OK

but after repair imei imei Staus is NG

<:SAQI:> · 12-07-2016, 08:39

i have same problem with 27.4

after repair imei Staus is NG

**blang** · 12-07-2016, 08:55

Quote:

Originally Posted by <:SAQI:>

i have same problem with 27.4

after repair imei Staus is NG

http://forum.gsmhosting.com/vbb/f453...quest-1139639/

faacebook · 12-07-2016, 19:10

Quote:

Originally Posted by blang

http://forum.gsmhosting.com/vbb/f453...quest-1139639/

than you should reply this thread
http://forum.gsmhosting.com/vbb/f453...twork-2165020/

nrekram · 09-15-2018, 11:49

Operation: Write CERT
Selected model: SM-J710F
Software version: 33.8

Waiting ADB device... OK
Reading phone info...
Model: SM-J710F
Android version: 6.0.1
PDA version: J710FXXU3AQD1
CSC version: J710FOJV3AQD1
Phone version: J710FXXU3AQD3
Product code: SM-J710FZDDXSG
CSC country code: UAE
CSC sales code: XSG
Phone SN: RF8H92QW9TY
IMEI: 357412075345286
HW version: MP 0.300
RF cal date: 20160924
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2017-04-01
Boot Warranty bit: 1
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Writing zTool... 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... OK
HWID: 8F 00 00 00 00 00 00 00 00 00 00 00 32 2D 86 B5
Calculating... OK
Initialization AT RIL...
AT RIL stopped, restarting... OK
Checking for compatible phone and cert
Phone KEY ID: 0740
Checking certificate file... error
Incorrect IMEI signature

Done with Samsung Tool PRO v.33.8
pls Solve

11-30-2016, 20:32	#1 (permalink)
ansari123 No Life Poster Join Date: Jun 2006 Location: CANADA Posts: 1,533 Member: 292789 Status: Offline Thanks Meter: 636	G935w8 Incorrect IMEI signature Samsung Tool PRO v.27.3 error on G935W8 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. (Note, that the cert file for this model is unique. You can write cert, wich is readed from this device exactly.) Operation: Write CERT Selected model: SM-G935W8 Software version: 27.3 Waiting ADB device... Ok Reading phone info... Model: SM-G935W8 Android version: 6.0.1 Product code: SM-G935WZKARWC Phone version: G935W8VLU1APD3 PDA version: G935W8VLU1APD3 CSC version: G935W8OYA1APD3 CSC country code: Canada CSC sales code: RWC HW version: REV0.1 Phone SN: RF8H52VA3GM Chip name: EXYNOS8890 Modem board: SHANNON335 RF cal date: 20160526 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: SHANNON335 Calculating... Ok HWID: FD 1A 34 3E 65 56 DD 77 C1 CA DD E1 BF 4B D5 CC Initialization AT RIL... AT RIL stopped, restarting... Ok Checking for compatible phone and cert Phone KEY ID: 0445 Checking certificate file... error Incorrect IMEI signature Done with Samsung Tool PRO v.27.3

11-30-2016, 20:34	#2 (permalink)
rara1212 Freak Poster Join Date: Apr 2015 Location: Russia Posts: 300 Member: 2381134 Status: Offline Thanks Meter: 142	ANSARI SAAb... cert flash not required.

11-30-2016, 20:56	#3 (permalink)
ansari123 No Life Poster Join Date: Jun 2006 Location: CANADA Posts: 1,533 Member: 292789 Status: Offline Thanks Meter: 636	After Repair imei Staus : NG now how we can fix this without Cert ?

11-30-2016, 20:57	#4 (permalink)
ansari123 No Life Poster Join Date: Jun 2006 Location: CANADA Posts: 1,533 Member: 292789 Status: Offline Thanks Meter: 636	Operation: Info Selected model: SM-G935W8 Software version: 27.3 Searching Samsung modem... detected COM211 Reading phone info... Ok Model: SM-G935W8 AP version: G935W8VLU1APD3 CSC version: G935W8OYA1APD3 CP version: G935W8VLU1APD3 Product code: SM-G935WZKARWC Phone SN: RF8H52VA3GM Unique number: 9886743649324E4C35 Reading IMEI... Ok IMEI: 3561600*155 (SIGN: NG_SIGN) Done with Samsung Tool PRO v.27.3

11-30-2016, 21:29	#5 (permalink)
A4L No Life Poster Join Date: Aug 2013 Location: Somewhere on earth Posts: 629 Member: 2014742 Status: Offline Thanks Meter: 167	Does the phone have the original IMEI certificate in it?

12-07-2016, 08:39	#7 (permalink)
<:SAQI:> Freak Poster Join Date: Jun 2011 Location: Toronto Canada Posts: 292 Member: 1599578 Status: Offline Sonork: 8114214 Thanks Meter: 131	i have same problem with 27.4 after repair imei Staus is NG

09-15-2018, 11:49	#10 (permalink)
nrekram Crazy Poster Join Date: Nov 2015 Location: Chittagong Posts: 51 Member: 2491964 Status: Offline Sonork: 100.1672132 Thanks Meter: 21	Operation: Write CERT Selected model: SM-J710F Software version: 33.8 Waiting ADB device... OK Reading phone info... Model: SM-J710F Android version: 6.0.1 PDA version: J710FXXU3AQD1 CSC version: J710FOJV3AQD1 Phone version: J710FXXU3AQD3 Product code: SM-J710FZDDXSG CSC country code: UAE CSC sales code: XSG Phone SN: RF8H92QW9TY IMEI: 357412075345286 HW version: MP 0.300 RF cal date: 20160924 Chip name: EXYNOS7870 Modem board: SHANNON315 Security patch: 2017-04-01 Boot Warranty bit: 1 Checking Super user right... true Reading NV data... OK Checking NV data... OK Reading data... OK Detecting MODEM... OK Reading MODEM... OK Calculating... OK Writing zTool... 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... OK HWID: 8F 00 00 00 00 00 00 00 00 00 00 00 32 2D 86 B5 Calculating... OK Initialization AT RIL... AT RIL stopped, restarting... OK Checking for compatible phone and cert Phone KEY ID: 0740 Checking certificate file... error Incorrect IMEI signature Done with Samsung Tool PRO v.33.8 pls Solve