At what much temperatures does Phone 1 work best? July 08, 2024 10:03 Updated For an optimum experience, use and charge Phone 1 in environments around 20-30°C. Related articles Does Phone 1 support fast charging? Can Phone 1 use other wired chargers to charge? What is the battery capacity of Phone 1? How long does it take to charge? Can Phone 1 use other wireless chargers to charge? What's a system update?