MacBook Pro 13″ Touch Bar 2018 820-00850-A

imranromi · Jan 4, 2026

deepak gupta said:
Sir, I would like to ask. I’m working on a MacBook Pro A1989 (820-00850-A) that is stuck at 5V, and the T2 chip becomes hot. All power rails are normal, and there are no shorted lines. Could flashing the T2 ROM be a possible solution for this case?

Yes.
Do dfu and restore

deepak gupta · Jan 4, 2026

imranromi said:
Yes.
Do dfu and restore

Thank you very much, Sir, for your suggestion. I will try flashing using the file provided above.

imranromi · Jan 4, 2026

deepak gupta said:
Thank you very much, Sir, for your suggestion. I will try flashing using the file provided above.

No
Do dfu and restore
You know what is dfu mode?

deepak gupta · Jan 4, 2026

imranromi said:
No
Do dfu and restore
You know what is dfu mode?

Alright sir, I don’t know the details yet. I’ll try to find out more about it. So it’s not flashed directly to the T2 ROM, right sir?

deepak gupta · Jan 4, 2026

imranromi said:
No
Do dfu and restore
You know what is dfu mode?

Can we communicate on Instagram, sir?

deepak gupta · Jan 4, 2026

imranromi said:
No
Do dfu and restore
You know what is dfu mode?

I don’t have a MacBook, sir. Is there any other way to enter DFU mode without using a MacBook?

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MacBook Pro 13″ Touch Bar 2018 820-00850-A

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