Post here successfully job with Z3X-BOX Samsung (2018-2022)

[richard420]

Operation: Patch Certificate
[ 13/11/2019 12:41:03 SM-G950F Patch Certificate ] Selected model: SM-G950F
[ 13/11/2019 12:41:03 SM-G950F Patch Certificate ] Software version: 38.2
[ 13/11/2019 12:41:03 SM-G950F Patch Certificate ]
[ 13/11/2019 12:41:06 SM-G950F Patch Certificate ] Waiting ADB device... OK
[ 13/11/2019 12:41:07 SM-G950F Patch Certificate ] Reading phone info...
[ 13/11/2019 12:41:08 SM-G950F Patch Certificate ] Model: SM-G950F
[ 13/11/2019 12:41:08 SM-G950F Patch Certificate ] Android version: 9
[ 13/11/2019 12:41:09 SM-G950F Patch Certificate ] PDA version: G950FXXU5DSFB
[ 13/11/2019 12:41:09 SM-G950F Patch Certificate ] CSC version: G950FOXM5DSFB
[ 13/11/2019 12:41:09 SM-G950F Patch Certificate ] Phone version: G950FXXU5DSFB
[ 13/11/2019 12:41:10 SM-G950F Patch Certificate ] Product code:
[ 13/11/2019 12:41:11 SM-G950F Patch Certificate ] CSC country code: UK & IRE
[ 13/11/2019 12:41:11 SM-G950F Patch Certificate ] CSC sales code: XEU
[ 13/11/2019 12:41:12 SM-G950F Patch Certificate ] Phone SN: RF8J4173W3N
[ 13/11/2019 12:41:12 SM-G950F Patch Certificate ] IMEI: 357816183426772
[ 13/11/2019 12:41:13 SM-G950F Patch Certificate ] HW version:
[ 13/11/2019 12:41:13 SM-G950F Patch Certificate ] RF cal date:
[ 13/11/2019 12:41:14 SM-G950F Patch Certificate ] Chip name: EXYNOS8895
[ 13/11/2019 12:41:14 SM-G950F Patch Certificate ] Modem board: SHANNON355
[ 13/11/2019 12:41:14 SM-G950F Patch Certificate ] Security patch: 2019-07-01
[ 13/11/2019 12:41:15 SM-G950F Patch Certificate ] Boot Warranty bit: 1
[ 13/11/2019 12:41:15 SM-G950F Patch Certificate ] SIM State: LOADED,ABSENT
[ 13/11/2019 12:41:18 SM-G950F Patch Certificate ] Checking Super user right... true
[ 13/11/2019 12:41:18 SM-G950F Patch Certificate ] Initialization zTool... OK
[ 13/11/2019 12:41:20 SM-G950F Patch Certificate ] Running zTool, please wait... OK
[ 13/11/2019 12:41:27 SM-G950F Patch Certificate ] Reading data from phone... OK
[ 13/11/2019 12:41:31 SM-G950F Patch Certificate ] Searching server... OK
[ 13/11/2019 12:41:43 SM-G950F Patch Certificate ] Checking server answer... modem not supported
[ 13/11/2019 12:41:43 SM-G950F Patch Certificate ] Searching server... OK
[ 13/11/2019 12:41:48 SM-G950F Patch Certificate ] Checking available files... OK
[ 13/11/2019 12:41:48 SM-G950F Patch Certificate ] Available CP file for downgrade, try download and flash? Continue? Yes
[ 13/11/2019 12:41:51 SM-G950F Patch Certificate ] Checking local file... OK
[ 13/11/2019 12:41:52 SM-G950F Patch Certificate ] Switching to flash mode... OK
[ 13/11/2019 12:41:59 SM-G950F Patch Certificate ] Searching USB Flash interface... COM294 detected
[ 13/11/2019 12:42:00 SM-G950F Patch Certificate ] Setup connection... OK
[ 13/11/2019 12:42:00 SM-G950F Patch Certificate ] Reading data from phone... OK
[ 13/11/2019 12:42:01 SM-G950F Patch Certificate ] Sending data to phone... OK
[ 13/11/2019 12:42:10 SM-G950F Patch Certificate ] Waiting for device to become ready... OK
[ 13/11/2019 12:42:32 SM-G950F Patch Certificate ] Checking Super user right... true
[ 13/11/2019 12:42:32 SM-G950F Patch Certificate ] Initialization zTool... OK
[ 13/11/2019 12:42:34 SM-G950F Patch Certificate ] Running zTool, please wait... OK
[ 13/11/2019 12:42:41 SM-G950F Patch Certificate ] Reading data from phone... OK
[ 13/11/2019 12:42:44 SM-G950F Patch Certificate ] Searching server... OK
[ 13/11/2019 12:42:51 SM-G950F Patch Certificate ] Checking server answer... OK
[ 13/11/2019 12:42:53 SM-G950F Patch Certificate ] Executing... OK
[ 13/11/2019 12:42:55 SM-G950F Patch Certificate ] Searching server... OK
[ 13/11/2019 12:43:03 SM-G950F Patch Certificate ] Waiting for server answer... OK
[ 13/11/2019 12:43:08 SM-G950F Patch Certificate ] Patching... OK
[ 13/11/2019 12:43:12 SM-G950F Patch Certificate ] Rebooting phone... OK

[AAdnan Mobile]

Samsung J4 (SM-J400F) Reset FRP Done Via Combination With Z3X Box

Here are Logs



Youtube Link

https://www.youtube.com/watch?v=eNdUarj5MEE

[-=P.F.U=-]

REPAIR INSTRUCTIONS:
1. Power on the phone.
2. Enable 'USB debugging' in 'Settings'-'Developer options',
tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Reboot to...' button and select mode to reboot (download or recovery).

Operation: Patch Certificate
Selected model: SM-A105F
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-A105F
Android version: 9
PDA version: A105FDDU1ASD2
CSC version: A105FOJM1ASCB
Phone version: A105FDDU1ASC9
Product code: SM-A105FZBEXFV
CSC country code: South Africa
CSC sales code: XFV
Phone SN: RF8M41WVACP
IMEI: 350098765432224
HW version: MP 0.300
RF cal date: 20190413
Chip name: EXYNOS7884B
Modem board: SHANNON327
Security patch: 2019-02-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Searching server... OK
Waiting for server answer... OK
Patching... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.38.2

[chipscell25]

Operation: Unlock
Selected model: SM-J530G
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-J530G
Android version: 7.0
PDA version: J530GUBU1AQI4
CSC version: J530GUWA1AQJ1
Phone version: J530GUBU1AQI3
Product code: SM-J530GZIICDR
CSC country code: Dominican Republic
CSC sales code: CDR
Phone SN: RF8J83F7P2B
IMEI: 3571740xxxxxxxx
HW version: MP 0.500
RF cal date: 20170828
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2017-08-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data... OK
HWID: AC 5A D1 69 22 C1 57 45 62 9B AD 5D 8B 69 4B CA
Calculating... OK
Unlocking... OK
Writing NV data... OK
Rebooting phone... OK
Unlock done
Done with Samsung Tool PRO v.38.2

[localizator]

Operation: Unlock
Selected model: SM-G550T
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-G550T
Android version: 6.0.1
PDA version: G550TUVU2AQC4
CSC version: G550TTMB2AQC4
Phone version: G550TUVU2AQC4
Product code: SM2G550TZKATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: RV8HC11002Z
IMEI: 353764083795140
HW version: REV0.4
RF cal date: 20161221
Chip name: EXYNOS3475
Modem board: SHANNON308
Security patch: 2017-03-01
Boot Warranty bit: 1
SIM State: NETWORK_LOCKED
Checking Super user right... true
Reading NV data... OK
Checking NV data... OK
Reading data... OK
Detecting MODEM... OK
Reading MODEM... OK
Calculating... OK
Initialization data... OK
Writing zTool... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data... OK
HWID:  0D 6D 26 9C 63 23 55 4E 93 FD EE 0A 74 68 86 F5
Calculating... OK
Unlocking... OK
Writing NV data... OK
Rebooting phone... OK
Unlock done

Done with Samsung Tool PRO v.38.2

[anrmobile]

Operation: Unlock
Selected model: SM-G955U
Selected port: COM32 Qualcomm HS-USB MDM Diagnostics 90B8
Software version: 38.2

Checking Login and Password... OK
Ballance: 9 crd.
You have 9 credit(s) left. This operation takes 8 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SM-G955U
Android version: 9
PDA version: G955USQS6DSJ3
CSC version: G955UOYN6DSJ3
Phone version: G955USQS6DSJ3
Product code: SM-G955UZKATMB
CSC country code: USA
CSC sales code: TMB
Phone SN: R28J91QXSMV
IMEI: 355980084460629
HW version: REV1.0
RF cal date: 2018.10.12
Chip name: MSM8998
Modem board: MSM8998
Security patch: 2019-10-01
Boot Warranty bit: 0
SIM State: NETWORK_LOCKED
Searching Samsung diag port... not found
Rebooting phone... OK
Waiting ADB device... OK
Rebooting phone... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting to upload... OK
Searching Ramdump interface... COM34 detected
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Waiting ADB device... OK
Waiting for device to become ready... OK
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Rebooting phone... OK
Unlock done
Done with Samsung Tool PRO v.38.2

[...::S.L.S::...]

REPAIR 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. Fill values what you need to repair.
6. Press 'Repair' button.
7. Press 'Patch Certificate' if you have network problem after repairing.

Operation: Patch Certificate
Selected model: SM-J530F
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-J530F
Android version: 8.1.0
PDA version: J530FXWU4BSE1
CSC version: J530FOJV4BSE1
Phone version: J530FXXU4BSE1
Product code: SM-J530FZKAXSG
CSC country code: UAE
CSC sales code: XSG
Phone SN: RF8K501G1FH
IMEI: 35
HW version: MP 0.500
RF cal date: 20180502
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2019-05-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Searching server... OK
Waiting for server answer... OK
Patching... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.38.2

[simlock]

Originally Posted by mytuhuyenninh

Operation: Write CERT
Selected model: SM-G965N
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-G965N
Android version: 9
PDA version: G965NKSU1CSB3
CSC version: G965NOKR1CSB3
Phone version: G965NKOU1CSB3
Product code: SM-G965NZKALUC
CSC country code: KOREA
CSC sales code: LUC
Phone SN: R39K200S5L
IMEI: 3535120
HW version: REV0.9
RF cal date: 20180201
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2019-02-01
Boot Warranty bit: 0
SIM State: LOADED
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Checking certificate file... OK
KEY ID: 0492
Searching server... OK
Waiting for server answer... OK
Writing security... OK
Write CERT done
Rebooting phone... OK
Operation: Read CERT
Selected model: SM-G965N
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-G965N
Android version: 9
PDA version: G965NKSU1CSB3
CSC version: G965NOKR1CSB3
Phone version: G965NKOU1CSB3
Product code: SM-G965NZKALUC
CSC country code: KOREA
CSC sales code: LUC
Phone SN: R39K200S5L
IMEI: 35351209
HW version: REV0.9
RF cal date: 20180201
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2019-02-01
Boot Warranty bit: 0
SIM State: LOADED
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Saving cert... OK
Certificate file saved to G:\UNLOCK- BACKUP PARTION\backup\Cert\SM-G965N_R39K200S5L_35351209_18-10-2019_20-3-12.cert

Operation: Write CERT
Selected model: SM-N950N
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-N950N
Android version: 9
PDA version: N950NKSU4DSF3
CSC version: N950NOKR4DSF3
Phone version: N950NKOU4DSD3
Product code: SM-N950NZKFLUC
CSC country code: KOREA
CSC sales code: LUC
Phone SN: R39JA00XYG
IMEI: 35156609
HW version: REV0.7
RF cal date: 20171001
Chip name: EXYNOS8895
Modem board: SHANNON355
Security patch: 2019-05-01
Boot Warranty bit: 0
SIM State: LOADED
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Checking certificate file... OK
KEY ID: 0517
Searching server... OK
Waiting for server answer... OK
Writing security... OK
Write CERT done
Rebooting phone... OK

Operation: Write CERT
Selected model: SM-G960N
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-G960N
Android version: 9
PDA version: G960NKSU1CRLL
CSC version: G960NOKR1CRLL
Phone version: G960NKOU1CRLK
Product code: SM-G960NZPALUC
CSC country code: KOREA
CSC sales code: LUC
Phone SN: R39K20J9CM
IMEI: 353551090
HW version: REV0.9
RF cal date: 20180220
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2018-12-01
Boot Warranty bit: 0
SIM State: ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Reading data from phone... OK
Calculating... OK
Checking certificate file... OK
KEY ID: 0379
Searching server... OK
Waiting for server answer... OK
Writing security... OK
Write CERT done
Rebooting phone... OK

Bro, do we need credits for this repair? or just cert? thanks

[simlock]

Originally Posted by ..::GMSR::..

REPAIR INSTRUCTIONS:
1. Power on the phone.
2. Enable 'USB debugging' in 'Settings'-'Developer options',
tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Reboot to...' button and select mode to reboot (download or recovery).

Operation: Patch Certificate
Selected model: SM-G965F
Software version: 37.0

Waiting ADB device... OK
Reading phone info...
Model: SM-G965F
Android version: 9
PDA version: G965FXXU6CSGD
CSC version: G965FOXM6CSG5
Phone version: G965FXXU6ASG5
Product code: SM-G965FZAEXFA
CSC country code: SOUTH AFRICA
CSC sales code: XFA
Phone SN: RF8K31FB3NT
IMEI: 35009XXXXXXXXX
HW version: MP 0.900
RF cal date: 20180311
Chip name: EXYNOS9810
Modem board: SHANNON360
Security patch: 2019-08-01
Boot Warranty bit: 1
SIM State: LOADED
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Searching server... OK
Waiting for server answer... OK
Patching... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.37.0

Hay brother, is this function for free or credit service, i am happy with credit service if paid, BR

[omukama]

Operation: Reset FRP/React/EE
Selected model: SM-J210F
Software version: 38.2

Searching Samsung USB Flash interface... COM147 detected
Setup connection... OK
Reading PIT from phone... OK
Searching FRP lock... OK
Erasing FRP lock... OK
Reset done
For complete reset FRP, goto 'Backup and reset' and make 'Factory data reset'

Done with Samsung Tool PRO v.38.2

[...::S.L.S::...]

REPAIR INSTRUCTIONS:
1. Power on the phone.
2. Enable 'USB debugging' in 'Settings'-'Developer options',
tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Reboot to...' button and select mode to reboot (download or recovery).

Operation: Patch Certificate
Selected model: SM-A260F
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-A260F
Android version: 8.1.0
PDA version: A260FXXU1ASCG
CSC version: A260FOJM1ASCG
Phone version: A260FJVU1ASCA
Product code: SM-A260FZBAXFA
CSC country code: SOUTH AFRICA
CSC sales code: XFA
Phone SN: RF8M41DRXAT
IMEI: 359888765454454
HW version: MP 0.300
RF cal date: 20190409
Chip name: EXYNOS7870
Modem board: SHANNON315
Security patch: 2019-03-01
Boot Warranty bit: 1
SIM State: ABSENT
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Searching server... OK
Waiting for server answer... OK
Patching... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.38.2

[zouhir]

samsung tool 38.2 hangs in adb with samsung i9100 but work with 35.3 work fine with this model

[Gsm Malek]

Waiting ADB device... OK
Reading phone info...
Model: SM-A105G
Android version: 9
PDA version: A105GDXU3ASI1
CSC version: A105GOLM3ASG1
Phone version: A105GDXU3ASG1
Product code: SM-A105GZBGXXV
CSC country code: VIETNAM
CSC sales code: XXV
Phone SN: RR8M70JA2MP
IMEI: 35
HW version: MP 0.301
RF cal date: 20190725
Chip name: EXYNOS7884B
Modem board: SHANNON327
Security patch: 2019-08-01
Boot Warranty bit: 1
SIM State: ABSENT,ABSENT
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... modem not supported
Searching server... OK
Checking available files... not found compatible file
KNOX WARRANTY VOID is 0x1. Phone is not supported

Done with Samsung Tool PRO v.38.2

[profkefah]

BACKUP INSTRUCTIONS:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.

BE CAREFULL! IF YOU GET KNOX WARRANTY VOID STATUS DURING ROOT OR ANY OTHER PROCEDURE,
THEN YOU WILL NOT BE ABLE UNLOCK THIS PHONE IN FUTURE!

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.

Read certificate operation:
Warning! Knox warranty must be active (0x00)!
If you have it voided (0x01(void)), then you can't use this function.
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read CERT' button to read certificates.

Operation: Info
Selected model: SM-A530F
Software version: 38.2

Searching Samsung modem... detected COM662
Reading phone info...
Model: SM-A530F
AP version: A530FXXS4BSA8
CSC version: A530FOLM4BRL8
CP version: A530FXXU4BRL8
Product code: XME
Phone SN: R58K5278FMF
IMEI: 355624099675306
IMEI2: 355625099675303
Unique number: CBJ0005544A5735
Reading IMEI... OK
IMEI: 355624099675306 (SIGN: UNKNOWN)
IMEI 2: 355625099675303 (SIGN: UNKNOWN)

Done with Samsung Tool PRO v.38.2



BACKUP INSTRUCTIONS:
Phone must be rooted!
If the software can't root the phone automatically,
then you must root your device manually.

BE CAREFULL! IF YOU GET KNOX WARRANTY VOID STATUS DURING ROOT OR ANY OTHER PROCEDURE,
THEN YOU WILL NOT BE ABLE UNLOCK THIS PHONE IN FUTURE!

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.

Read certificate operation:
Warning! Knox warranty must be active (0x00)!
If you have it voided (0x01(void)), then you can't use this function.
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Press 'Read CERT' button to read certificates.

Operation: Read EFS
Selected model: SM-A530F
Software version: 38.2

Waiting ADB device... OK
Reading phone info...
Model: SM-A530F
Android version: 8.0.0
PDA version: A530FXXS4BSA8
CSC version: A530FOLM4BRL8
Phone version: A530FXXU4BRL8
Product code: SM-A530FZVDXME
CSC country code: MALAYSIA
CSC sales code: XME
Phone SN: R58K5278FMF
IMEI: 355625099675303
HW version: REV0.3
RF cal date: 20180511
Chip name: EXYNOS7885
Modem board: SHANNON327
Security patch: 2019-02-01
Boot Warranty bit: 1
Checking Super user right... true
Reading EFS from phone... OK
Saved to D:\BST\SamsungToolPRO\backup\EFS\EFS_SM-A530F_A530FXXS4BSA8_355625099675303_R58K5278FMF_21-11-2019_22-8-29.tar

Done with Samsung Tool PRO v.38.2

[minhasjawad]

REPAIR INSTRUCTIONS:
1. Power on the phone.
2. Enable 'USB debugging' in 'Settings'-'Developer options',
tap 7 times on 'Build number' in 'Settings'-'About phone' to enable 'Developer options'.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select device in ADB settings.
5. Press 'Reboot to...' button and select mode to reboot (download or recovery).

Operation: Patch Certificate
Selected model: SM-A520F
Software version: 38.4

Waiting ADB device... OK
Reading phone info...
Model: SM-A520F
Android version: 8.0.0
PDA version: A520FXXUBCSF1
CSC version: A520FFTMBCSF1
Phone version: A520FXXUBCSF1
Product code: SM-A520FZIAFTM
CSC country code: France
CSC sales code: FTM
Phone SN: R59
IMEI: 35631
HW version: MP 0.400
RF cal date: 20170606
Chip name: EXYNOS7880
Modem board: SHANNON325
Security patch: 2019-06-01
Boot Warranty bit: 1
SIM State: READY
Checking Super user right... true
Initialization zTool... OK
Running zTool, please wait... OK
Reading data from phone... OK
Searching server... OK
Checking server answer... OK
Executing... OK
Searching server... OK
Waiting for server answer... OK
Patching... OK
Rebooting phone... OK

Done with Samsung Tool PRO v.38.4