MyMPx.org - How to extract and then modify or update Action Firmware LD2088-STD 1.1

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How to extract and then modify or update Action Firmware LD2088-STD 1.1

Hi mates,I have a mp3 player which is loaded with firmware as seen in settings> about>firmware LD2088-STD 1.1.
I have search Google several times with various keywords for this firmware and its extractor and I want to upgrade and change its Theme,layout,color etc.But I found nothing
All versions of s1res and s1fwx failed even to detect my player or its drive,memory etc.
So can you help me finding any tool to extract and modify or upgrade Action Firmware LD2088-STD 1.1?
Please reply and post asap.