[REQUEST] Firmware 1427 to 0343 back ?

[NeNicYs7]

Hi guys, I have the car B8 MIB2 was 0343 Firmware and I updated until 1427 but I don't like the same blue color, how do I do it and I want to return firmware 0343 if you can help me? do you have skin Multicolor RGB files please ...