2025 09 19 (1)

IPhone Touch Screen Issue

iPhone 12 , US Model: A2172, Release Year: 2020

Common Issue: Touchscreen completely non-responsive yet display came on fine.

Possible reasons for this issue:

  1. Digitizer IC damage due to exposure to liquids
  2. Corrosion within flex cable
  3. Voltage drop along touch grid
  4. Pin damage on connector
  5. EMI interference owing to oxidation of board

Mac Tech Service repairs touch issues at board level—not just screen replacement. We employ the use of voltage mapping instruments to identify digitizer failure. Our specialists replace faulty IC chips with meticulous soldering. We preserve your initial LCD and Face ID calibration. Every repair includes moisture scanning and corrosion protection. Choose Mac Tech for professional touch restoration that protects your device.

Mac Tech Service
Professional Services:

  1. Voltage mapping diagnosis
  2. Digitizer IC micro soldering
  3. Flex cable stabilization
  4. LCD preservation and calibration
  5. Moisture scan and corrosion control

iPhone 12 touch repair, digitizer IC fix, Apple screen response, board-level service, Mac Tech Service