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 or
press 'Write CERT' to restore certificates.
To backup/restore QCN, phone diagnostic port must be enabled.
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
Or use 'Activate Diag' function from 'Repair' tab.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select diagnostic port in port settings.
5. Press 'Read QCN' button to read NV backup or 'Write QCN' to restore.
Operation: Read Codes via Server
Selected model: SM-G935A
Software version: 33.2
Checking Login and Password... OK
Ballance: 15 crd.
You have 15 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-G935A
Android version: 7.0
PDA version: G935AUCU4BQA6
CSC version: G935AATT4BQA6
Phone version: G935AUCU4BQA6
Product code: SM-G935AZSAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38H60XAPLA
IMEI: 358445073407293
HW version: REV0.7
RF cal date: 2016.06.30
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2017-02-01
Boot Warranty bit: 0
Waiting for device to become ready... 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
Searching Ramdump interface... COM54 detected
Reading data from phone... error (3 0)
Done with Samsung Tool PRO v.33.2
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 or
press 'Write CERT' to restore certificates.
To backup/restore QCN, phone diagnostic port must be enabled.
1. Power on the phone.
2. Type *#0808# and select 'DM+MODEM+ADB'.
Or use 'Activate Diag' function from 'Repair' tab.
3. Connect the phone to PC with USB cable, install drivers if needed.
4. Select diagnostic port in port settings.
5. Press 'Read QCN' button to read NV backup or 'Write QCN' to restore.
Operation: Read Codes via Server
Selected model: SM-G935A
Software version: 33.2
Checking Login and Password... OK
Ballance: 15 crd.
You have 15 credit(s) left. This operation takes 5 credits.Continue? Yes
Waiting ADB device... OK
Reading phone info...
Model: SAMSUNG-SM-G935A
Android version: 7.0
PDA version: G935AUCU4BQA6
CSC version: G935AATT4BQA6
Phone version: G935AUCU4BQA6
Product code: SM-G935AZSAATT
CSC country code: USA
CSC sales code: ATT
Phone SN: R38H60XAPLA
IMEI: 358445073407293
HW version: REV0.7
RF cal date: 2016.06.30
Chip name: MSM8996
Modem board: MSM8996
Security patch: 2017-02-01
Boot Warranty bit: 0
Waiting for device to become ready... 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
Searching Ramdump interface... COM54 detected
Reading data from phone... error (3 0)
Done with Samsung Tool PRO v.33.2