Hi! Sorry for the delay. The pics posted before are before the cleaning, just to show you all which parts were oxydated. Attached the pics of the cleaned board and the "!" simbol on screen.
I've not checked any power rail yet, to be honest, since it powers on. I've seen online that this kind of error is about the T2 so I've not checked anything. The Mac does not go into recovery and/or boot option, but again it could be a bad keyboard.
Unfortunately we don't have right now a donor board to swap stuffs on, we should buy it in case, but if we can try to just start this would...

Anyone, please? We're afraid to do a bad move because of data

Hi all,
I have a MacBook Pro A2442 with board 820-02098-A very highly oxydated (water) by an accident.
The customer just need to recover the data (no backups, heh), so we cleaned fully to make it power on.
Fortunately the Mac is still alive but it shows an exclamation mark in a circle (!) (Apple T2 fw issue?) with the text "support.apple.com/mac/restore" and doesn't go further.

We tried to interface with another Mac, but can't get in DFU. Very likely the keyboard is gone too because the water, so we're planning to buy a cheap compatible one just to....

Hi all!
I'm from Italy. Firstly started working in a authorized repair shop, now I'm going with my own.
We works on about everything, when is possible, but not everything...
I usually find good catches here about mac fixes and so on, but now I need to ask by myself for it. 😁

Cheers!