Phone · Google · Pixel 8 Pro
Google Pixel 8 Pro Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel 8 Pro
Before you begin
Tools
- Precision Torx T3 screwdriver
- Heat gun or heating pad
- Plastic spudger
- Opening picks
- Hot air rework station
- Microscope
- Fine curved tweezers
- Desoldering wick
Parts / materials
- High-purity isopropyl alcohol (99%)
- No-clean soldering flux
- Kapton heat-resistant tape
- Lead-free solder paste
- Replacement back glass adhesive
Safety
- Disconnect the battery before performing any soldering or board-level work.
- Work in a well-ventilated area and wear eye protection when using hot air and soldering flux.
- Use an anti-static wrist strap to prevent electrostatic discharge from damaging delicate logic board ICs.
Overview
Step-by-step
- 1
Heat the back glass
3 minApply a heating pad or heat gun to the rear glass perimeter for 2-3 minutes to soften the frame adhesive.
- 2
Slice the perimeter adhesive
4 minInsert a thin opening pick under the back glass edge and slice carefully along all four sides.
- 3
Lift off the rear glass
2 minGently hinge open the rear panel and disconnect any attached sensor flex cables before setting it aside.
- 4
Unscrew the top shield panel
3 minRemove the Torx screws securing the upper aluminum heat shield over the motherboard.
- 5
Disconnect the battery cable
2 minUse a plastic spudger to pry the battery press connector straight up from the logic board.
- 6
Disconnect camera and display flexes
3 minPop off the rear camera modules, display flex, and sensor ribbon cables using your spudger.
- 7
Eject the SIM card tray
1 minInsert a SIM eject tool into the tray hole on the side frame and pull the SIM tray completely out.
- 8
Remove motherboard retaining screws
3 minUnscrew the remaining Torx screws holding the main board to the aluminum inner chassis.
- 9
Lift out the motherboard
3 minGently lever the main logic board out of the phone frame and place it onto an ESD-safe workspace.
- 10
Mask surrounding components
5 minApply layers of heat-resistant Kapton tape over adjacent connectors and ICs around the Titan M2 chip.
- 11
Apply solder flux
2 minDispense a small amount of no-clean liquid flux along the edges of the Titan security chip.
- 12
Desolder the Titan chip
5 minHeat the chip with a hot air station set to 350°C until solder melts, then lift it using fine tweezers.
- 13
Clean the PCB pads
4 minWipe residual solder off the pads using desoldering wick, a soldering iron, and 99% isopropyl alcohol.
- 14
Align the replacement chip
5 minApply fresh flux and position the replacement Titan M2 chip accurately using a microscope for pin alignment.
- 15
Reflow the security chip
5 minApply hot air evenly over the chip until the solder liquifies and the component surface-tensions into place.
- 16
Inspect the solder connections
4 minCheck under a microscope to confirm all pads are properly bonded with no solder bridges.
After your Google Pixel 8 Pro titan security chip repair
Power the Pixel 8 Pro 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 8 Pro 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 8 Pro repair context in the encyclopedia, or open related DIY guides.
