Phone · Google · Pixel 9 Pro Fold
Google Pixel 9 Pro Fold Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel 9 Pro Fold
Before you begin
Tools
- Precision screwdriver set (Phillips #000, #00)
- Plastic prying tools
- Suction cup tool
- Heat gun or hair dryer
- Tweezers
- Spudger tool
- Hot air rework station
- Soldering iron
Parts / materials
- Isopropyl alcohol (99%)
- Liquid flux
- Desoldering braid
- Replacement Titan Security Chip
- Replacement rear cover adhesive pre-cut strip
Safety
- Wear protective safety glasses when working with hot air rework stations and soldering irons.
- Discharge device battery below 25% prior to disassembly to prevent thermal runaway if accidentally punctured.
- Use an anti-static wrist strap connected to a grounded surface to prevent electrostatic discharge to microchips.
- Operate in a well-ventilated area or use a fume extractor when heating flux and solder.
Overview
Step-by-step
- 1
Eject the SIM card tray
2 minInsert a SIM ejector tool or paperclip into the hole next to the SIM tray on the outer frame. Push firmly to pop the tray out and set it aside.
- 2
Heat the rear glass panel
4 minUse a heat gun or hair dryer on low setting to heat the outer rear glass edges for 2 to 3 minutes to soften the perimeter adhesive.
- 3
Slice rear panel adhesive
6 minAttach a suction cup near the bottom edge of the rear cover and pull gently to create a gap. Insert a plastic opening pick and slide it around the edges to cut the adhesive.
- 4
Lift off rear glass
3 minCarefully separate the rear glass panel from the frame, taking care not to strain any sensor ribbons. Set the panel aside on a clean surface.
- 5
Unscrew upper motherboard shield
4 minUse a precision screwdriver to remove the screws holding down the top motherboard protective plate.
- 6
Detach motherboard shield
2 minGently pry up the metal bracket shield using a plastic spudger and lift it off the assembly.
- 7
Disconnect battery flex cables
3 minUse the flat end of a spudger to pop both battery press connectors straight up off the motherboard to eliminate electrical power.
- 8
Unplug logic board connections
5 minDisconnect all remaining flex cables and coaxial antenna connections attached to the main logic board using tweezers or a spudger.
- 9
Remove mainboard screws
4 minUnscrew the internal retaining screws securing the logic board to the phone's aluminum chassis.
- 10
Lift out motherboard
3 minCarefully pry under the edges of the mainboard and lift it free from the body of the Pixel 9 Pro Fold.
- 11
Pry off IC EMI shield
6 minApply light heat to the metal EMI shield over the security package, then carefully pry it off with tweezers to expose the Titan Security Chip.
- 12
Apply flux to Titan chip
2 minDispense a small amount of liquid flux around the base of the BGA Titan security chip package.
- 13
Desolder the Titan security chip
8 minHeat the chip with a hot air station set to 350°C until the solder ball grid reflows, then lift the IC off with fine tweezers.
- 14
Clean logic board pads
6 minApply fresh flux and run a soldering iron with desoldering braid over the contacts to remove old solder residue.
- 15
Solder replacement Titan chip
10 minAlign the replacement Titan chip over the clean pads and heat evenly with hot air until the component self-aligns and seats into place.
After your Google Pixel 9 Pro Fold titan security chip repair
Power the Pixel 9 Pro 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 9 Pro 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 9 Pro Fold repair context in the encyclopedia, or open related DIY guides.
