i cant unlock I9300 V4.3 [Solved]
 

Welcome to Octoplus/Octopus Box Samsung software version
1.4.3
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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.
Selected firmware file: GT-I9300_Root.oct
Please switch your phone to the download mode and connect it to a
PC.
To put GT-I9300 phone into download mode you have to perform the
following steps:
1. Reconnect phone battery.
2. Press and hold "Volume - " + "Home" + "Power" buttons.
3. When phone turns on press "Volume+" button.
Found phone on
Firmware write started.
Writing RECOVERY section...
RECOVERY section has been written successfully.
Writing CACHE section...
CACHE section has been written successfully.
Firmware writing successfully completed.
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Platform: Samsung Android
Selected port: COM922
Selected model: GT-I9300
Detected phone model: GT-I9300
Firmware compiled date: Thu Nov 28 21:07:41 KST 2013
PDA Version: I9300XXUGMK6
CSC Version: I9300OXXGML1
SW Version: I9300XXUGMK6
Phone IMEI: 359845054061135
Phone SN: RF1DB89SASM
Android version: 4.3 (JSS15J)
Checking Root:
Phone is not Rooted. Rooting phone...
Phone unlocking failed

Hello.

To root your GT-I9300 with Android 4.3 firmware You should use "Root_GT-I9300_4.3.oct", (not "GT-I9300_Root.oct") from the Support Area from the folder "Samsung/FOR UNLOCK AND REPAIR/".

To unlock your device please, do the next:
1. Install the latest Software version (Octopus Box Downloads - Software, Drivers, Manual).
2. Write "Root_GT-I9300_4.3.oct" file.
3. Connect the device and perform "Unlock" operation.

AHH i dont see this root now is OK

PHONE UNLOCKED THXXX