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With another programmed it worked I got the brand new bios and write that .BIN file you gave me. Now what? Solder back to the board and is it ready to work? or do I need another step?

Checked betwen SPI chip and that big IC on the adapter and all of the pin beeped continuity I also checked again and there is 1.8v on pin 8 Whats else?

Please I am waiting since 10:00 in morning for your answers! Its 14:00 I need to give it back to customers if its not solvable!

??

If my connection is correct what could be wrong? brand new BIOS IC Many test since the beginning of this thread

How could I attached it wrongly if since the beginning I am taking pictures and asking you if I am doing right?

Images attached below Image 1 = everything attached and connected Image 2 = Just disconnected the adapter and the blackboard on the position it was connected Image 3 = The DOT on the IC is pointing to the DOT on the blackboard did it exactly as we talked before

Just check all my soldering again and the contact between the pins on the black board are matching... Also just resolder the BIOS IC and it looks well soldered on the black board I do not have any idea

Really weird Same error with the new BIOS IC = "Fail to detect EPROM" However it does have 1.8V on pin 8

Hey The BIOS just arrived. Am I able to solder it on the bolder and it work? Or do I need to program it?

To be honest with you I removed and resolder twice really think its hard to solder it bad twice. The supplier from aliexpress told me he tested before send but anyhow. But the question here is would you give it back original do customer and cancel the service/profit or would you tell him that...

Just put the original NAND and machine is working perfectly I think I am not going to solder again all of these 4 chips. I think they have problem and/or I soldered bad it twice and it did not worked out Would you make a last try or since its back to life and I heated a lot the board with all...

What and where and how to look for something damaged? I do not think that heating sometimes with enough heat to make it melt and solder a NAND would make the machine defective!

It doesnt go automatically to recovery!! I am able to put in DFU using the keyboard! I am not forcing SE032 anymore with keyboard it goes to DFU!

Do you think I should resolder back the original NAND IC and go through DFU with it?

The supplier from Aliexpress told me after replaceing NAND I should do the DFU restore. Did he mention it wrongly?

I think its a positive message to get it into DFU using FORCE DFU wire ;) Help me make this machine work again

Yeahhh Actually I resoldered all the 4 IC chips which I bought to go to 512GB. (I think I did a good job and soldered all of them OK) using a wire on SE032 I turn it into DFU automatically however I couldn't restore/revive/update it =/ error message attached. What would to from now?

DFU was done with a hots m1 pro mac connected with the cable both on the left upper port using the correct keyboard sequence on the target Mac