When did cell phones become popular? Cell phones became popular during the cellular revolution that started in the 90s . In 1990, the number of mobile users was around 11 million, and by 2020, that number had risen to a whopping 2.5 billion.
When did cell phones become popular? Cell phones became popular during the cellular revolution that started in the 90s . In 1990, the number of mobile users was around 11 million, and by 2020, that number had risen to a whopping 2.5 billion.