[flechazo]

Direct Unlock
Connect powered-on phone to PC via Micro USB cable.
Install necessary driver.
Click "Unlock" button.
Follow software instructions (prompts).


Welcome to Octoplus/Octopus Box Samsung software version 2.0.2
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To connect GT-I9300 phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->Developer options.
3. Turn on "USB Debugging" option.
4. When message is appear press "Yes".
5. Connect usb cable to phone.
6. Go to dial window.
7. Enter *#9090# number.
8. Set speed to 115200.
9. Reboot phone.
10. Press "Read Info" in software.
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Platform: Samsung Android
Selected port: COM1
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: G531FPHE1AOF2
SW version: G531FXXU1AOF7
Phone IMEI: Unknown
Phone SN: R58G708YVBH
Android version: 5.1.1 (LMY48B)
Cheking Root
Phone is not rooted
Phone unlocking failed