I2C EPR32 Chip-Level Programmer and Fixture for iPhone Charging Repair

Some iPhone charging faults survive every obvious fix: a new port, a new cable and a clean board, yet the phone still won't charge properly. When the fault lies in the data a chip holds rather than the hardware, a programmer is the next tool, and the I2C EPR32 is aimed at that job.

The EPR32 is a chip-level programmer and fixture from I2C. The listing says it supports charging IC programming, baseband EEPROM read and write, and charging fault repair across multiple Apple devices, and that it works standalone without a PC. A linked video describes saving and writing charging EEPROM data without separating the motherboard layers.

When the EPR32 may be needed

• Charging faults that remain after the port and flex are replaced.

• A charging or EEPROM chip that must be replaced and its data carried over.

• Baseband EEPROM data that needs reading or restoring.

• Microsoldering work where chip data must be backed up first.

What the listing doesn't say

The listing doesn't list supported iPhone models, the fixture's contents or the chips it reads. Check the photos and confirm compatibility with your usual models before ordering.

As with any programmer, read and save the existing data before writing, and label each backup with the device it came from.