how can i return this

fkakaei said:

I changed my kaon ksf e220z to ksf e575z. can you tell me how can i return this to the original format.
model: ksf-e575z
info: 10.05.08-D4F6
S/W: V01.00.06
H/W: V1A.00.A5
loader V1.0.2

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