SM-G531F Unlocked again

1. Open Octopus. Select SM-G531F.
2. Download G531FXXU1AOF7_ROOT.oct from support, and flash the firmware. After restart, you may get the message some "google apps"..has stopped. Just do a hard reset.
3. Wait for the phone to restart. If message pops up "Update SU Binary", click ok. Otherwise proceed.
4. Enable Debug mode.
5. Click Unlock.
6. After unlock if phone ask for code, just type, 00000000. If it asks again, just enter it again.
7. Done.

Note: My phOnes orig. PDA version is G531FXXU1AOH1. Octopus root file is G531FXX1A0F7. jUST FLASH It, dont worry.

Code:

Welcome to Octoplus/Octopus Box Samsung software version 2.1.7
Selected firmware file: G531FXXU1AOF7_ROOT.oct
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port:
Selected model: SM-G531F
Port is busy
Searching for a phone. Please wait...
Phone found.
Firmware compiled date: Tue Aug  4 19:58:27 KST 2015
PDA version: G531FXXU1AOH1
CSC version: G531FOJV1AOG3
SW version: G531FXXU1AOG3
Phone IMEI: Unknown
Phone SN: R58G91682LA
Android version: 5.1.1 (LMY48B)
Please put the phone into Download Mode and connect USB cable.
To put SM-G531F into Download Mode, You have to perform the following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" +"Power"+''Home"  keys.
Found phone on
Firmware write started.
Writing SYSTEM section...
SYSTEM section has been written successfully.
Firmware writing successfully completed.
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM14
Selected model: SM-G531F
Port is busy
Searching for a phone. Please wait...
Please, press "OK" button on the phone to allow USB debugging..
Phone found.
Firmware compiled date: Sat Jun 13 21:07:21 KST 2015
PDA version: G531FXXU1AOF7
CSC version: Unknown
SW version: G531FXXU1AOG3
Phone IMEI: Unknown
Phone SN: R58G91682LA
Android version: 5.1.1 (LMY48B)
---------------------------------------------
---------------------------------------------
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM14
Selected model: SM-G531F
Please, press "OK" button on the phone to allow USB debugging..
Proper android device not found. Make shure that "USB debug" option on the device is turned on.
Phone unlocking failed
---------------------------------------------
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM14
Selected model: SM-G531F
Port is busy
Searching for a phone. Please wait...
Phone found.
Firmware compiled date: Sat Jun 13 21:07:21 KST 2015
PDA version: G531FXXU1AOF7
CSC version: Unknown
SW version: G531FXXU1AOG3
Phone IMEI: Unknown
Phone SN: R58G91682LA
Android version: 5.1.1 (LMY48B)
-----------------------------------------------------------------------------------
Platform: Samsung Android
Selected port: COM14
Selected model: SM-G531F
Detected phone model: SM-G531F
Firmware compiled date: Sat Jun 13 21:07:21 KST 2015
PDA version: G531FXXU1AOF7
CSC version: Unknown
SW version: G531FXXU1AOG3
Phone SN: R58G91682LA
Android version: 5.1.1 (LMY48B)
Cheking Root
Phone is Rooted
Deactivating MSL...
Backup saved as C:\Program Files (x86)\Octoplus\Octoplus_Samsung\BACKUP\NV-SM-G531F-Unknown file
MSL deactivate successfully
Unlocking phone...
Please insert card into phone, if phone is locked, then type 00000000
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.