KennethJackson.Tech

Web and iOS Developer - Systems Integrator and Administrator

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iPhone 6 Notes – Rare

Models A1549, A1586, A1589

Known iPhone 6 Repair Issues

Touch Disease iPhone 6

Symptoms

  • Flickering Bars
  • No Touch
  • Data Recovery

Apple Repair Alternatives

  • Out of warranty phone swap – $339.00
  • Apple multitouch recall – $149.00
  • Apple screen replacement only – $149.00
  • Three Day Turnaround

Touch Chips

The problem is caused by oxidation. Reflow won’t fix oxidation.

Touch IC Complications – Symptoms of Too Much Heat

  • Grayed WiFi
  • Half dim backlight
  • No proximity sensor
  • Loss of camera function
  • Partial Touch
  • Full Short

Future Proof Shield does not appear to be a viable upgrade.

Teardown Procedure – By Cell

  1. Remove Case Screws – Pop screen
  2. Battery Shield – Disconnect power
  3. Screen Shield – Disconnect screen – Beware of Long Screw Damage
  4. Remove SIM
  5. Rear-Facing Camera – Antena Interconnect Cable
  6. Upper Cable Bracket
  7. Contact Bracket
  8. Grounding Bracket
  9. Angled Logic Board Bracket
  10. Logic Board to Case
  11. Speaker
  12. Lightning Connector
  13. Lightning Port
  14. Microphone Brace
  15. Lightning Connector Assembly
  16. Earpiece Speaker
  17. Sensor Cable
  18. Home Button Bracket
  19. Motherboard Shields

Common iPhone 6 Replacement Components

Jackson’s Electronics

DigiKey

iFixIt Parts

Micro Soldering Supply Parts

Logic Board 820-3486-A

  • Red – Apple A8 APL1011 SoC + SK Hynix RAM as denoted by the markings H9CKNNN8KTMRWR-NTH (we presume it is 1 GB LPDDR3 RAM, the same as in the iPhone 6 Plus)
  • Orange – Qualcomm MDM9625M LTE Modem
  • Yellow – Skyworks 77802-23 Low Band LTE PAD
  • Green – Avago A8020 High Band PAD
  • Blue – Avago A8010 Ultra High Band PA + FBARs
  • Purple – Skyworks 77803-20 Mid Band LTE PAD
  • Grey – InvenSense MP67B 6-axis Gyroscope and Accelerometer Combo
  • Red – Qualcomm QFE1100 Envelope Tracking IC
  • Orange – RF Micro Devices RF5159 Antenna Switch Module
  • Yellow – Skyworks 77356-8 Mid-Band PAD
  • Red – SanDisk SDMFLBCB2 128 Gb (16 GB) NAND Flash
  • Orange – Murata 339S0228 Wi-Fi Module
  • Yellow – Apple/Dialog 338S1251-AZ Power Management IC
  • Green – Broadcom BCM5976 Touchscreen Controller – Cumulus Chip
  • Blue – NXP LPC18B1UK ARM Cortex-M3 Microcontroller (also known as the M8 motion coprocessor)
  • Purple – NXP 65V10 NFC module + Secure Element (likely contains an NXP PN544 NFC controller inside)
  • Gray – Qualcomm WTR1625L RF Transceiver
  • Red – Qualcomm WFR1620 receive-only companion chip. Qualcomm states that the WFR1620 is “required for the implementation of carrier aggregation with WTR1625L.”
  • Orange – Qualcomm PM8019 Power Management IC
  • Yellow – Texas Instruments 343S0694 Touch Transmitter – Meson Chip
  • Green – AMS AS3923 NFC Booster IC designed to “improve performance of existing NFC controllers for challenging environments such as mobile and wearables” and also delivers “less restrictive antenna design requirements”.
    • We believe this chip is an NFC frontend to improve performance in noisy environments using ‘active peer to peer bit rates [up to] 212kb/s.’
  • Blue – Cirrus Logic 338S1201 Audio Codec

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