Phone · Google · Pixel 7
Google Pixel 7 Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel 7
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Microscope
- Hot air station
- Suction cup
- Heat gun
Parts / materials
- Isopropyl alcohol (99%)
- Flux
- Replacement display adhesive
Safety
- Wear ESD protection to avoid static damage to sensitive micro-components.
- Work in a well-ventilated space when heating solder and flux fumes.
- Disconnect the battery before performing board-level heating or soldering.
Overview
Step-by-step
- 1
Eject SIM Tray
1 minInsert a SIM eject tool into the hole on the left edge of the phone to remove the SIM tray.
- 2
Heat Display Perimeter
2 minApply a heat gun or heating pad to the front glass edges for 2 minutes to soften the screen adhesive.
- 3
Attach Suction Cup
2 minPlace a suction cup on the lower portion of the screen and pull up gently to create a small gap.
- 4
Slice Screen Adhesive
5 minInsert an opening pick into the gap and carefully slide it around the perimeter to cut the adhesive.
- 5
Disconnect Display Cable
3 minOpen the display like a book, remove the bracket screw, and unclip the screen flex cable.
- 6
Disconnect Battery Press Connector
2 minPry the battery connector straight up with a plastic spudger to cut power to the device.
- 7
Remove Midframe Screws
4 minUnscrew the Torx screws holding the graphite midframe and internal shielding in place.
- 8
Lift Out Midframe
2 minGently pry up and remove the plastic midframe assembly from the phone chassis.
- 9
Disconnect Camera Cables
3 minUnplug the front and rear camera flex connectors from the main logic board using tweezers.
- 10
Remove Motherboard Screws
3 minRemove the remaining retaining screws securing the logic board to the aluminum frame.
- 11
Extract Main Logic Board
4 minCarefully lift the logic board out of the chassis and position it under a repair microscope.
- 12
Peel Thermal Shielding
2 minRemove the thermal graphite tape covering the Titan M2 security IC location.
- 13
Apply Soldering Flux
2 minDispense a small amount of liquid flux around the base of the Titan security chip.
- 14
Reflow Titan Chip
5 minUse a hot air station set to 350°C to heat the chip until the solder reflows and self-aligns.
- 15
Clean Circuit Board Pads
3 minClean remaining flux residue off the board using isopropyl alcohol and a lint-free swab.
- 16
Reinstall Logic Board
4 minPlace the cooled logic board back into the phone housing and align it with the screw posts.
- 17
Secure Midframe Screws
4 minReinstall the midframe assembly and tighten all Torx screws firmly.
- 18
Reconnect Flex Cables
4 minAttach the camera connectors, screen flex cable, and battery press connector securely.
- 19
Reseal Display Assembly
5 minApply new screen adhesive, align the display, and press along the edges to seal the phone.
After your Google Pixel 7 titan security chip repair
Power the Pixel 7 back on and test the titan security chip repair function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Google Pixel 7 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Google Pixel 7 repair context in the encyclopedia, or open related DIY guides.
