Large Audio IC for iPhone 5S / 6 / 6 Plus

• IC Code: U0900, 338S1201
• Pin Number: 121
• Function: Controls the speaker and microphone of iPhone 5S / 6 / 6 Plus
• Note: Replacement for damaged or cracked Large Audio IC
• iPhone 5S Identification: U21
• iPhone 6/ 6 Plus Identification: U0900

Also known as: Large Audio IC Chip.