What signal should be sent to the RESET pin of the Adafruit FONA 3G+GPS Breakout in order to perform a Hard Reset of the module?

What signal should be sent to the RESET pin of the Adafruit FONA 3G+GPS Breakout in order to perform a Hard Reset of the module? Correct Answer 100ms LOW Signal

The RESET Pin on the Adafruit FONA 3G+GPS Breakout should only be used when some software issue has been created due to some configuration error. It completely hard resets the board erasing every manual configuration.

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