Andrew describes it as "putatively repairing I2C traces between A8 CPU and anti-rollback EEPROM. The core technique is probably useful in broader contexts..."

Andrew describes it as "putatively repairing I2C traces between A8 CPU and anti-rollback EEPROM. The core technique is probably useful in broader contexts..." My interpretation of that is that this mod will either: a) Prevent the "you have 3 attempts left" countdown to lockout feature from working correctly - giving you unlimited PIN attempts. and/or b) Allow you to run unauthorized code on the iPhone.