JC 13-14 series baseband/ logic chip EEPROM non-removal Programmer is a mobile repair tool for iPhone 13-14 full series baseband chip data reading and writing. The separate read and write buttons are easy and simple for chip data record. It’s designed with flying wire test point which is suitable for wire jumping test of various models. It also supports current and voltage monitor, and will alarm when there is short circuit. The local backup function can ensure that data is never lost.