[ahartmetz]

Semiconductors generally work better the colder they are. Extreme overclockers don't use liquid nitrogen primarily to keep chips at room temperature at extreme power consumption, but to actually run them at temperatures far below freezing.

[butvacuum]

Complex issue- analog NAND doesn't work anything like the Logic in CPUs.

Far more often it's the act of simply letting a device sit unpowered itself that 'fixes' the issue. Speculation on what changed invariably goes on indefinitely