i2C V8i Programmer Dot Projector Flex Cable For Phone X XS XR XS Max 11 11 Pro 11 Pro MAX 12 12P 12 PRO MAX 12 MINI Pro 34 Face ID Not Working Repair. Third generation I2C V8i dot matrix flex cable for face ID flex cable and i2C V8i Face ID programmer. i2c V8i programmer to read and write dot matrix flex cable, and then repair the Face ID higher and lower problems by replacing the flex cable.