Phone · Google · Pixel 7 Pro
Google Pixel 7 Pro Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel 7 Pro
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Microscope
- Hot air station
- Heat gun
- Suction handle
Parts / materials
- Replacement Titan M2 Security Chip
- No-clean solder flux
- Copper solder wick
- 99% Isopropyl alcohol
- Pre-cut display adhesive
Safety
- Wear an anti-static wrist strap to protect sensitive integrated circuits from ESD
- Operate hot air station in a well-ventilated area to avoid inhaling toxic solder fumes
- Wear protective safety glasses during heat application and soldering
Overview
Step-by-step
- 1
Power down phone
1 minTurn off your Pixel 7 Pro completely before beginning any disassembly.
- 2
Heat display edges
3 minApply heat around the display perimeter using a heat gun set to 80°C for two minutes to soften the adhesive.
- 3
Slice display adhesive
4 minInsert a thin plastic opening pick under the display seam and slide along all sides to separate adhesive.
- 4
Open display assembly
2 minGently swing open the display assembly like a book toward the left edge, taking care not to strain flex cables.
- 5
Remove display bracket
2 minUnscrew the T3 Torx screw securing the metal display cable shield and remove the bracket with tweezers.
- 6
Disconnect display cable
1 minUse the flat edge of a spudger to gently pop the display connector straight up from the motherboard socket.
- 7
Remove midframe screws
4 minExtract the T3 Torx screws securing the graphite midframe heat shield to the phone frame.
- 8
Detach midframe shield
2 minPry up and lift the midframe graphite shield panel away from the chassis.
- 9
Disconnect battery flex
1 minPry up the battery connector from its motherboard socket to disconnect power completely.
- 10
Disconnect camera cables
2 minUnplug the front and rear camera module press-fit connectors from the mainboard.
- 11
Remove motherboard screws
3 minUnbolt all remaining logic board retention screws attaching the motherboard to the aluminum body.
- 12
Extract motherboard
2 minCarefully lift the main logic board out of the chassis and place it under your microscope.
- 13
Apply soldering flux
2 minApply a liberal drop of no-clean tack flux around the perimeter of the Titan M2 security chip.
- 14
Desolder Titan chip
5 minHeat the chip with a hot air station set to 350°C until the solder liquefies, then lift the chip off with fine tweezers.
- 15
Clean BGA pads
4 minWipe away old solder using copper braid wick and clean the pad array with isopropyl alcohol and a lint-free swab.
- 16
Reflow replacement chip
5 minPosition the new Titan M2 chip onto the aligned pads and heat with hot air until it surface-tensions into place.
- 17
Reinstall motherboard
10 minRe-seat the logic board back inside the housing and reattach all ribbon connectors and midframe screws.
After your Google Pixel 7 Pro titan security chip repair
Power the Pixel 7 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 7 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 7 Pro repair context in the encyclopedia, or open related DIY guides.
