iPhone 4/5/6/6s/7/8/x Boot line Test line Phone Service DC Power Supply Current Testing Cable1.Upgrade to 8/8P X2.Built-in original IC dataSolve the problem of standby restart of Apple's series mobile phone power cords, solve the problem of high temperature when powering on mobile phone; support 6-8/8P/X power display.3. Add trigger probleThe trigger probe can be used instead of tweezer to start the system. It is convenient and quick to power on mobile phone which can totally replace traditional method of tweezer.4.USB expansion interface.USB expansion interface, to facilitate the follow-up upgrade, the mainline could handle 10A current. Red and black power clip can pass 3A current to solve the problem caused by too large current so that it would automatic power off, and it would also protect phone when taking photos used ordinary power line.