Hello here i need to learn how to unpack and repack sc6530 and sc6531 pac

[kiusnga]

i need help here.how to unpack sc6531 and sc6530.pac file to change bootlogo,sound and images

i need to learn to do this or if there is a tool for doing that i m ready to buy it

here the file link:https://mega.nz/#!EMZ3HITS!uH-76y7mB...4da0aSz0Zt5p5o



here screenshoot:

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Thanks.if you link few amount i m ready to pay for.