Please choose the correct solution to the question: How to turn off a smartphone

Solution1: While the smartphone is on, hold the power button down for several seconds, until you are prompted with the power options. Choose the option to turn the phone off.

Solution2: While the smartphone is on, briefly push the power button down, until you are prompted with the power options. Choose the option to turn the phone off.

Answer format: solution1/solution2
Answer: solution1