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			Then can you please explain the freezing method? I guess it's the only wait to recover them. 
Do I have to put the board on sub-zero temperature for how much? Should I do something special to prevent condensation? Then how much should I wait after taking it back to try flashing u-boot again?
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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