This is the small square 4 ball chip that converts vccmain into clean 2.85v to power the front and rear cameras. This guy suffers pry damage and can be floated during common touch disease repairs. This chip is new and verified by batch testing by iPad Rehab Microsoldering
Also known as:
LP5907UVX-2.85
iPhone 5s designation: U210
iPhone 6/6+ designation: U2301