Thank you but I don't have the necessary dexterity to remove chips. As soon as I get the new caliper I'll try again to see if it recognizes the chip automatically.

Thank you for your trust but it's the first time I've done a job like this and pliers seemed like the simplest solution also because I wouldn't know how to remove chips. However, I discovered by taking a photo of the motherboard that the chip is the one in the photo I attach, therefore not a Windbond but by searching online it looks like a Micron. Does the bin file change in this case?...

Thank you. I'll try as soon as possible because my ch341a programmer clamp no longer works and I've ordered another one.

I apologize if I repeat the post but I'm not very expert in the forum rules
Good morning.
I need help. My old mac book air model A1466 EMC 2632 820-3437 serial C02M6TLEF5V7 is password locked on the firmware. I tried to make some attempts with the ch341a programmer but, not being an expert, I can't solve it. The programmer tells me that the chip is a 25 spi flash winbond w25q64fv. I didn't understand how to remove psw. I worked on the disassembled board. How do I know if it's ok?
Thanks for your help. I managed to save a copy of the bin file,but I'm not sure what I did.
...

Good morning everyone. I'm Angelo from Italy.

Good morning.
I need help. My old mac book air model A1466 EMC 2632 serial C02M6TLEF5V7 is password locked on the firmware. I tried to make some attempts with the ch341a programmer but, not being an expert, I can't solve it. The programmer tells me that the chip is a 25 spi flash winbond w25q64fv. I didn't understand how to remove psw. I worked on the disassembled board. How do I know if it's ok?
Thanks for your help. I managed to save a copy of the bin file but the post won't let me load it with a bin extension.​

Hello everyone. I am Angelo from Italy...