610A3B Tristar IC (U2) – Charging, USB

The 610A3B “Tristar” IC (often referred to as “U2”) is commonly damaged through the use of after market, and non MFI certified chargers and accessories. The 610A3B is backwards compatible with the 1610A3, 1610A2, and 1610A1. It first appeared on the iPhone 7 Series