Macbook Macbook A1990 (820-01041A) T2 Rom

[andreascy25]

Hi guys,
Haven't managed to find anywhere the BIN file for a macbook A1990 820-01041A to write data on T2 Rom chip. I have the reader-write tool, but don't have the BIN file. Anyone who can share it? Thanks

[peste]

Re: Macbook Macbook A1990 (820-01041A) T2 Rom

Hi guys,
Haven't managed to find anywhere the BIN file for a macbook A1990 820-01041A to write data on T2 Rom chip. I have the reader-write tool, but don't have the BIN file. Anyone who can share it? Thanks

maybe you can post the corrupt bin file here too ...

[andreascy25]

Re: Macbook Macbook A1990 (820-01041A) T2 Rom

I already overwritten another bin file into, which is not the correct one...I don't have the original bin file

[faday05]

Re: Macbook Macbook A1990 (820-01041A) T2 Rom

I also need original bios file for A1990 ..please share here������������

[Nikaservice]

Please share original 820-01041-A T2 rom

[kamalkharbanda]

Re: Macbook Macbook A1990 (820-01041A) T2 Rom



maybe you can post the corrupt bin file here too ...

EFI PASSWORD
M/B 820-01041-A
A1990
Serial -C02YJ21UJGH5

[chipsetrepair]

Dear friends,

I have a question to ask.

I received a MacBook with a no-power issue and fixed the no-power problem.
But then I found out the SSD was short-circuited as well.

It was a 512GB SSD consisting of 4 NANDs from the 0 batch.
I transferred all 4 NANDs from a working MacBook Pro board, but it ended up with a failure message: 0xFCA4042.

Later, I tried using the JC Programmer tool to flash all 4 NANDs and solder, but the error code remained the same.

My friend mentioned that after replacing the SSD, we also have to flash the ROM file for the T2. Is that true? If yes, if I paste it here, can anyone help to clean the file?

MACBOOK PRO A1990
2018 MODEL, 512GB
SERIAL : C02XN0X3JGH8