New Battery, apple logo blinks on and off, but doesn't boot.
So, I followed the incomplete guide to solder in a new battery, and it worked!
But now when I try to turn it on (before I fully close it up and get everything going again) it starts with the apple logo, stays there for maybe half a second, goes black, and repeats the process until I press the power button to turn it off again.
What do I do?
Additional info: I used flux.
(as a note, but not relevant to the question, I did poke my screen a bit, so it’s “damaged”, but functional. It’s like a wrinkle under the glass, on the side.)
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