Nokia C3 unlock

I have a problem each time I want to unlock my nokia c3 bought in the UK using UB. Iam able to flash the phone but it keeps asking for security code. I was using the usb dead cable to flash. But when I try to send log it always says terminated with error could boot. Any one with solution???

My nokia c3 Universal box says"terminated with error:Rx high after power up (faulty phone/bad cable) probably bad cable.Yet I use same USB cable to flash and is still working fine. Help please urgently.

Then when you try unlock it says "terminated with error: no available bootloader,phone not supported.

view attached grabs that have been copied to show the UB flash success and failure with USB cable. i think they will assist in finding solution

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I have tried using ip-mart nk c3 cable and standard usb data cable and they both produce equal results as below.And am frustrated now. Who ever has an idea out there please help. Lets us help each other out here.
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