Big Audio IC Compatible For iPhone 5S / 6 / 6 Plus (U0900: 338S1201: 121 Pins)

Best Quality Big Audio IC for iPhone 5S / 6 / 6 Plus (U0900, 338S1201, 121 Pins)
This Big Audio IC Chip controls Speaker and Microphone of a iPhone 5S / 6 / 6 Plus.
This is the best replacement part of damage and cracked Big Audio IC for iPhone 5S / 6 / 6 Plus.
We Recommended for Professional Installation.
iPhone 5s designation: U21
iPhone 6/ 6 Plus designation: U0900
Port Marking: 338S1201
Number of Pins: 121
It’s also known as: Big Audio IC Chip.