Jessa's new favorite for DC power supply to iPhone battery adapter for testing and troubleshooting iPhone logic boards
Compatible with iPhone 5, 5c, 5s, SE, 6, 6+, 6s, 6s+, 7, and 7+
This is the newest version of the iPhone logic board power supply cable, complete with the adapters for the iPhone 7 and 7+.
Usage is extremely easy and straightforward. The adapter cable substitutes your DC power supply for the iPhone's battery. Simply plug the banana plugs into your DC power supply, then set the voltage to the appropriate battery voltage (3.7-4.2v) and your desired current limit (we recommend 1.5-3a).
If your cable has overvoltage protection set the voltage to 5v and current to 3a. The adapter cable will automatically convert the output voltage to the correct input voltage (3.7-4.2v) for the logic board to protect the board from accidental overvoltage.
Connect the appropriate cable to your iPhone logic board and prompt the iPhone to boot, and you will be able to see the current usage and voltage output of the DC power supply to your iPhone logic board.