Please choose the correct solution to the question: What is the best way to clean your cell phone?

Solution1: Turn on your phone to protect it and use a slightly dampen microfiber cloth with a cleaner applied to it to wipe off your cell phone.

Solution2: Turn off your phone to protect it and use a slightly dampen microfiber cloth with a cleaner applied to it to wipe off your cell phone.

Answer format: solution1/solution2
Answer: solution2