Can you still get to fastboot? If you can, "fastboot erase misc".
Can you measure voltages on the two "maybe?" points.
Maybe one is 1.8V and the other is smallish 0.2V but not 0.000?
Are the "tin cans" one part, soldered to the board or are they a soldered-in base and a top that snaps on with little "dimples".
Do you have resistors?
If it won't turn off, keep this charged.
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