enable adb and just select model g530h in octoplus then click unlock no need root.
Welcome to Octoplus Box Samsung software version 2.8.1
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To connect SM-G530H phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3. Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Restart phone.
11. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM4
Selected model: SM-G530H
Phone was not found on the selected port!
Searching for USB diagnostic port...
Connecting to phone on COM47
Mode: Normal
Phone model: SM-G530H
Firmware compiled date: Jun 03 2015
Firmware compiled time: 06:00:00
Firmware released date: Feb 8 2017
Firmware released time: 13:55:36
Phone IMEI: 359653-06-048895-7
SW version: MPSS.DPM.2.0.c5-00084-M8936FAAAANUZM-1
Performed by 2.8.1 Software version.
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Platform: Samsung Android
Selected port: COM47
Selected model: SM-G530H
Operation: Unlock
Reading info...
Mode: Normal
Firmware compiled date: Jun 03 2015
Firmware compiled time: 06:00:00
Firmware released date: Feb 8 2017
Firmware released time: 13:55:36
SW Version: MPSS.DPM.2.0.c5-00084-M8936FAAAANUZM-1
Please, press "OK" button on the phone to allow USB debugging.
Warning: Selected model (SM-G530H) differs from the detected one
(SM-G530W)!
If you want select (SM-G530W) as (SM-G530H) model, please check
"manual select".
Unlocking phone...
Phone will restart now. Please don't disconnect cable!
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.
Performed by 2.8.1 Software version.
Welcome to Octoplus Box Samsung software version 2.8.1
-----------------------------------------------------------------------------------
To connect SM-G530H phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3. Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Restart phone.
11. Press "Read Info" in software.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM4
Selected model: SM-G530H
Phone was not found on the selected port!
Searching for USB diagnostic port...
Connecting to phone on COM47
Mode: Normal
Phone model: SM-G530H
Firmware compiled date: Jun 03 2015
Firmware compiled time: 06:00:00
Firmware released date: Feb 8 2017
Firmware released time: 13:55:36
Phone IMEI: 359653-06-048895-7
SW version: MPSS.DPM.2.0.c5-00084-M8936FAAAANUZM-1
Performed by 2.8.1 Software version.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM47
Selected model: SM-G530H
Operation: Unlock
Reading info...
Mode: Normal
Firmware compiled date: Jun 03 2015
Firmware compiled time: 06:00:00
Firmware released date: Feb 8 2017
Firmware released time: 13:55:36
SW Version: MPSS.DPM.2.0.c5-00084-M8936FAAAANUZM-1
Please, press "OK" button on the phone to allow USB debugging.
Warning: Selected model (SM-G530H) differs from the detected one
(SM-G530W)!
If you want select (SM-G530W) as (SM-G530H) model, please check
"manual select".
Unlocking phone...
Phone will restart now. Please don't disconnect cable!
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.
Performed by 2.8.1 Software version.