iPhone 12 Pro speaker sound and bell

iPhone internal lower speaker is a sound part responsible for outputting sound when playing music, or during calls via speakerphone, or when internal sounds are played on the phone. It is an important part of the audio user experience. Detailed description: Location: The iPhone internal lower speaker is usually located at the bottom of the phone, near the charging port. Function: Generates the sound heard by the user when playing music, or during calls via speakerphone, or when internal sounds are played on the phone. Design: The speaker consists of a small speaker specially designed to produce sound.