'Don't Let Go' trivia and fun facts

Similarities with 'Frequency' (2000)

The film seems to have a similar premise to 'Frequency' (2000), starring Jim Caviezel and Dennis Quaid, which was eventually given a television treatment, Frequency (2016): A person in the current time period has the ability to save a relative in the past , except with the use of cell phones as oppose to a ham-radio.