Phone · Google · Pixel Fold
Google Pixel Fold Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel Fold
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Fine curved tweezers
- Microscope
- Hot air station
- Soldering iron
- Suction handle
Parts / materials
- No-clean liquid flux
- Desoldering braid
- 99% Isopropyl alcohol
- Kapton heat tape
- Pre-cut back glass adhesive
Safety
- Wear eye protection when reflowing solder to prevent thermal injury.
- Operate hot air station and soldering equipment in a well-ventilated area.
- Always wear an anti-static wrist strap to avoid damaging delicate integrated circuits.
Overview
Step-by-step
- 1
Eject the SIM Tray
1 minInsert a SIM eject tool into the pinhole at the bottom edge of the device. Firmly press to pop out the SIM tray and remove it.
- 2
Heat the Rear Glass
3 minApply heat to the outer edges of the rear glass panel using a hot air station set to low heat for two minutes to soften the adhesive.
- 3
Slice Rear Glass Adhesive
5 minAttach a suction cup to the lower back glass and insert an opening pick into the seam. Carefully slide the pick around the perimeter to slice the adhesive.
- 4
Remove Motherboard Shield Screws
3 minUse a precision Torx driver to remove the small screws holding the upper metal motherboard shield in place.
- 5
Disconnect the Battery Flex Cables
2 minUse a plastic spudger to pry up both battery connectors from the logic board to completely cut power.
- 6
Disconnect Display and Sensor Flexes
4 minCarefully detach the main display, camera, and interconnect ribbon cables from the upper motherboard.
- 7
Remove Main Logic Board
3 minUnscrew the remaining retaining screws and gently lift the logic board out of the phone chassis.
- 8
Apply Kapton Shielding Tape
3 minCover surrounding surface-mount components with heat-resistant Kapton tape to prevent accidental desoldering.
- 9
Apply Flux to Titan Chip
2 minApply a small amount of liquid no-clean flux around the perimeter of the Titan security chip.
- 10
Desolder the Titan Chip
4 minHeat the Titan chip evenly with a hot air station set to 350°C until the underlying solder balls reflow.
- 11
Lift Titan Chip Off Board
2 minUse fine tweezers to gently lift the loosened Titan chip straight up off the board pads.
- 12
Clean Motherboard Solder Pads
4 minUse a soldering iron with desoldering braid to absorb remaining solder from the contact pads on the board.
- 13
Wipe Board Pads with Isopropyl Alcohol
2 minClean off flux residue using a cotton swab moistened with 99% isopropyl alcohol under a microscope.
- 14
Position Replacement Titan Chip
3 minAlign the replacement Titan security chip precisely over the cleaned board pads using pin 1 orientation marks.
- 15
Solder Replacement Titan Chip
4 minApply hot air vertically over the chip until it drops into place and self-aligns on the molten solder pads.
- 16
Reinstall Main Logic Board
3 minPlace the logic board back into the device chassis and secure it with its original mounting screws.
- 17
Reconnect Internal Cable Connectors
4 minReattach all ribbon flex cables, finishing with the battery press connectors to restore power lines.
- 18
Seal Rear Glass Panel
5 minApply fresh custom adhesive tape along the frame, align the rear glass panel, and press firmly along the edges.
After your Google Pixel Fold titan security chip repair
Power the Pixel Fold 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 Fold 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 Fold repair context in the encyclopedia, or open related DIY guides.
