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You may be able to repair it by overheating it even more, the molten metal then connects the problematic pieces together again.

Yes, that is possible. I don't recommend trying it though ^^ I just know it from one type of card where the solder stuff (which flows at lower temps then the rest) could really re-flow and make cards work again.
The guy used a microwave I think.

The guy used a microwave I think

I'm dying.