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 'Read CERT' button to read certificates or 'Write CERT' to restore.
Operation: Write CERT
Selected model: SM-G531H/DS
Software version: 26.6
Checking certificate file... OK
KEY ID: 0557
Waiting ADB device... OK
Reading phone info...
Android version: 5.1.1
Product code: SM-G531HZDDTHR
Phone version: G531HXXU0AOK2
PDA version: G531HXXU0AOK2
CSC version: G531HOXE0AOK2
CSC country code: Russia
CSC sales code: SER
HW version: MP 0.300
Phone S/N: R51G8258VRD
Modem board: SC7730SE
RF cal date: 20150815
Checking Super user right... true
Writing CERT... OK
Writing Slave CERT... OK
Rebooting phone... OK
Write CERT done
Done with Samsung Tool PRO v.26.6
Samsung SM-G531H/DS Cert write succesfull!