G920F can not repaire imei - GSM-Forum

foony · 04-12-2016, 13:07

hello

I downgrade firmware to 511, downgrade mode, sboot, but still error 8 in cert writing.

Operation: Write CERT
Selected model: SM-G920F
Software version: 25.1

Waiting ADB device... OK
Reading phone info...
Model: SM-G920F
Android version: 5.1.1
Product code:
Phone version:
PDA version: G920FXXU3COI9
CSC version: G920FOXX3COI6
CSC country code: Slovakia
CSC sales code: ORX
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Initializating zTool... OK
Running zTool, please wait...
Start... OK
Init... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... error (8)
Done with Samsung Tool PRO v.25.1

any advice?

thank you

foony · 04-12-2016, 13:45

After repaire button still error.

Waiting ADB device... OK
Reading phone info...
Model: SM-G920F
Android version: 5.1.1
Product code:
Phone version:
PDA version: G920FXXU3COI9
CSC version: G920FOXX3COI6
CSC country code: Slovakia
CSC sales code: ORX
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Initialization AT RIL... error
Done with Samsung Tool PRO v.25.1

foony · 04-13-2016, 13:43

no way to repaire it by Z3X?

foony · 04-22-2016, 16:21

still no solution by Z3X to repaire it ???

foony · 04-22-2016, 16:44

Operation: Write CERT
Selected model: SM-G920F
Software version: 25.2

Waiting ADB device... OK
Reading phone info...
Model: SM-G920F
Android version: 5.1.1
Product code:
Phone version:
PDA version: G920FXXU3COI9
CSC version: G920FOXX3COI6
CSC country code: Slovakia
CSC sales code: ORX
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Checking Super user right... true
Initializating zTool... OK
Running zTool, please wait...
Start... OK
Init... OK
Generate and check client proof... OK
Verify proof by client... OK
Reading data... error (8)
Done with Samsung Tool PRO v.25.2

maly_kowal · 04-22-2016, 21:21

did you try with efs? Get any G920F backup, flash it and then flash a cert. Had same problem with G903F It worked after reflashing EFS

foony · 04-22-2016, 21:31

Yes, i tried to flash 3 different efs of course, efs was written ok without error, but writting cert or repaire imei is still with error.

04-12-2016, 13:07	#1 (permalink)
foony No Life Poster Join Date: Mar 2003 Location: Slovakia BA Age: 51 Posts: 1,457 Member: 25110 Status: Offline Thanks Meter: 79	G920F can not repaire imei hello I downgrade firmware to 511, downgrade mode, sboot, but still error 8 in cert writing. Operation: Write CERT Selected model: SM-G920F Software version: 25.1 Waiting ADB device... OK Reading phone info... Model: SM-G920F Android version: 5.1.1 Product code: Phone version: PDA version: G920FXXU3COI9 CSC version: G920FOXX3COI6 CSC country code: Slovakia CSC sales code: ORX HW version: Phone S/N: Modem board: RF cal date: IMEI: Checking Super user right... true Initializating zTool... OK Running zTool, please wait... Start... OK Init... OK Generate and check client proof... OK Verify proof by client... OK Reading data... error (8) Done with Samsung Tool PRO v.25.1 any advice? thank you

04-12-2016, 13:45	#2 (permalink)
foony No Life Poster Join Date: Mar 2003 Location: Slovakia BA Age: 51 Posts: 1,457 Member: 25110 Status: Offline Thanks Meter: 79	After repaire button still error. Waiting ADB device... OK Reading phone info... Model: SM-G920F Android version: 5.1.1 Product code: Phone version: PDA version: G920FXXU3COI9 CSC version: G920FOXX3COI6 CSC country code: Slovakia CSC sales code: ORX HW version: Phone S/N: Modem board: RF cal date: IMEI: Checking Super user right... true Initialization AT RIL... error Done with Samsung Tool PRO v.25.1

04-13-2016, 13:43	#3 (permalink)
foony No Life Poster Join Date: Mar 2003 Location: Slovakia BA Age: 51 Posts: 1,457 Member: 25110 Status: Offline Thanks Meter: 79	no way to repaire it by Z3X?

04-22-2016, 16:21	#4 (permalink)
foony No Life Poster Join Date: Mar 2003 Location: Slovakia BA Age: 51 Posts: 1,457 Member: 25110 Status: Offline Thanks Meter: 79	still no solution by Z3X to repaire it ???

04-22-2016, 16:44	#5 (permalink)
foony No Life Poster Join Date: Mar 2003 Location: Slovakia BA Age: 51 Posts: 1,457 Member: 25110 Status: Offline Thanks Meter: 79	Operation: Write CERT Selected model: SM-G920F Software version: 25.2 Waiting ADB device... OK Reading phone info... Model: SM-G920F Android version: 5.1.1 Product code: Phone version: PDA version: G920FXXU3COI9 CSC version: G920FOXX3COI6 CSC country code: Slovakia CSC sales code: ORX HW version: Phone S/N: Modem board: RF cal date: IMEI: Checking Super user right... true Initializating zTool... OK Running zTool, please wait... Start... OK Init... OK Generate and check client proof... OK Verify proof by client... OK Reading data... error (8) Done with Samsung Tool PRO v.25.2

04-22-2016, 21:21	#6 (permalink)
maly_kowal Junior Member Join Date: Jul 2005 Age: 37 Posts: 33 Member: 164692 Status: Offline Thanks Meter: 0	did you try with efs? Get any G920F backup, flash it and then flash a cert. Had same problem with G903F It worked after reflashing EFS

04-22-2016, 21:31	#7 (permalink)
foony No Life Poster Join Date: Mar 2003 Location: Slovakia BA Age: 51 Posts: 1,457 Member: 25110 Status: Offline Thanks Meter: 79	Yes, i tried to flash 3 different efs of course, efs was written ok without error, but writting cert or repaire imei is still with error.