Phone · Google · Pixel 9
Google Pixel 9 Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel 9
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Microscope
- Hot air station
- Soldering iron
- SIM eject tool
Parts / materials
- Replacement Titan security chip
- Liquid flux
- Desoldering wick
- Kapton tape
- 99% Isopropyl alcohol
- Pre-cut back panel adhesive
Safety
- Wear protective eyewear while using hot air and soldering equipment.
- Operate in a well-ventilated space to avoid breathing in soldering fumes.
- Always wear an anti-static wrist strap to protect delicate IC components from ESD.
Overview
Step-by-step
- 1
Power off device
2 minPress and hold the power button to shut down your Pixel 9 completely. Remove the SIM card tray using a SIM eject tool.
- 2
Heat back panel
3 minApply heat to the edges of the rear glass using a heat gun set to 80°C for two minutes to soften the internal adhesive.
- 3
Slice rear adhesive
5 minInsert a thin opening pick into the bottom seam and carefully slice along the perimeter to separate the rear glass.
- 4
Remove midframe screws
4 minUnscrew the Torx fasteners securing the upper shield cover and wireless charging coil assembly.
- 5
Disconnect battery cable
2 minUse a plastic spudger to gently pry the battery connector straight up from the motherboard socket.
- 6
Disconnect ribbon cables
3 minUnplug the display, camera, and lower dock flex cables from the main logic board using a spudger.
- 7
Extract motherboard
4 minRemove the motherboard retaining screws and lift the logic board carefully out of the chassis.
- 8
Apply heat shielding
5 minPlace the motherboard under a microscope and cover surrounding sensitive components with heat-resistant Kapton tape.
- 9
Apply liquid flux
2 minDispense a small amount of liquid soldering flux around the perimeter of the Titan security chip.
- 10
Desolder faulty chip
5 minHeat the Titan chip with a hot air station at 350°C until the solder reflows, then lift it off using tweezers.
- 11
Clean board pads
4 minUse a soldering iron with desoldering wick to clear excess solder from the contact pads, then clean with isopropyl alcohol.
- 12
Position replacement chip
5 minApply fresh flux to the pads and align the replacement Titan security chip accurately using precision tweezers.
- 13
Reflow security chip
4 minDirect hot air evenly over the replacement chip at 350°C until it self-aligns and seats on the pads.
- 14
Reinstall motherboard
4 minRemove the Kapton heat shielding tape, allow the board to cool completely, and seat it back into the frame.
- 15
Reassemble device
6 minReconnect all flex cables, secure the battery plug, fasten the midframe screws, and reseal the back glass.
After your Google Pixel 9 titan security chip repair
Power the Pixel 9 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 9 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 9 repair context in the encyclopedia, or open related DIY guides.
