Changing to static did not help.
It makes no sense. Why only the S17 pro? Why not S19 or S17e? There must be something wrong. They worked before...
We do not know, it's Braiins pool, why not ask the support why?
You can contact or submit a ticket about your issue on the link below.
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https://help.braiins.com/en/support/tickets/newI think Braiins wants you to use their firmware?
Would you mind to try their firmware and boot your S17 units through SD card?
The firmware is available here
https://braiins.com/os/plus