Firmware transfer on Seagate 4tb ST4000DM004 hard drive

Need firmware transfer on Seagate 4tb ST4000DM004 hard drive. Circuit board number: 100800538REVA. Can you help me and if so what will be the cost?

We just sell PCB.

ST4000DM004 Seagate PCB 100800538 is your donor PCB.

You can move the BIOS from your original PCB by using hot-air gun, then soldered it on the replacement board. Please refer: Hard Drive PCB Firmware Transfer  Or you can find an electronics repair shop help you.

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