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Apple 820-4924-А

customer was anger and took the machine,he said he need to think twice first.
we tried the original old chip,it can still boot but passcode,but the new one is just black screen.

we will see if he can come back,thanks
 
Hi. I have a question. Is there any list of compatible EEPROM chips for each Apple Mac model? I understand that I can use any of the similar ones with the same footprint. Lets say is there any difference if I use MX25L6406EZNI-12GF and N25Q064A in case of Macbook Air?
Thank you.
Same
 
please help to remove efi password this my back-up

board code : 820:00165-02
 
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