If you drop or bend your iPhone, this chip could get damaged or partially break off of the motherboard, causing problems like touch function malfunctions or gray stripes at the upper edge of the screen. Two ICs are involved in this function. You have to check both.
They’re also known as: iPhone 5 / 5c / 5s U12; iPhone SE U4301; iPhone 6 / 6 Plus U2041; iPad Air U6600 / U6650; iPad Air 2 U4100 / U4150; Broadcom BCM5976; Cumulus-C1; APN: 343S0638
This repair requires advanced knowledge of SMD soldering. Please contact us if you don’t want to do it yourself. Our technicians would be happy to help.