I9300 cant write SYSTEM part !!

[TheFoXMK]

Welcome to Octoplus/Octopus Box Samsung software version 1.4.0
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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: I9300XXELL5_I9300VFGELL2_SFR_Android_
4.1.2.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 SYSTEM section...
Writing Firmware Failed

[Octopus box]

Hello.
What is the state of your device? What is the problem with your phone exactly? What is the firmware version in your phone now?

[TheFoXMK]

it was dead boot.

Dead boot repaired by GPG S-boot cable successfully.

but cant flash now. plz help.....................

[Octopus box]

HAve You tried to write different firmwares? Is the problem the same?

[TheFoXMK]

yes sir iallready tryed three different firmwares, but problem is same...............

now what do do ??

[Octopus box]

Try also to write firmware by using original Samsung flasher. If the problem will be the same - most likely, this is HW problem.

[TheFoXMK]

is it ok........................??