Phone · Google · Pixel 4a 5g
Google Pixel 4a 5g Titan Security Chip Repair
Titan Security Chip Repair guide for the Google Pixel 4a 5g
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- T5 Torx screwdriver
- Tweezers
- Precision screwdriver set
- Anti-static wrist strap
Parts / materials
- Pixel 4a 5G display adhesive precut tape
- Isopropyl alcohol (99%)
- Lint-free wipes
- Solder flux
Safety
- Wear safety glasses to protect eyes from potential glass splinters during screen prying.
- Disconnect the battery before touching internal chips to prevent electrical short circuits.
- Wear an ESD anti-static wrist strap when handling sensitive motherboard components like the Titan M chip.
Overview
Step-by-step
- 1
Power Off Phone
1 minTurn off your Pixel 4a 5G completely before starting any disassembly.
- 2
Heat Display Edges
3 minApply heat to the perimeter of the front screen for 2 to 3 minutes to soften the display adhesive.
- 3
Attach Suction Cup
2 minPlace a suction cup near the top edge of the screen and pull upward firmly to create a slight gap.
- 4
Insert Opening Pick
2 minInsert a thin plastic opening pick into the gap created by the suction cup at the top edge.
- 5
Slice Screen Adhesive
5 minCarefully slide the opening pick around all four edges of the screen to cut through the perimeter seal.
- 6
Open Display Assembly
2 minLift the screen slowly from the top edge, swinging it open like a book toward the bottom of the device.
- 7
Remove Shield Screw
2 minUse a T5 Torx screwdriver to remove the screw securing the display cable metal bracket.
- 8
Detach Display Connector
2 minLift away the metal bracket using tweezers, then use a spudger to pop off the display flex cable.
- 9
Unscrew Midframe Screws
5 minRemove all 14 T5 Torx screws securing the inner midframe assembly to the phone chassis.
- 10
Remove Midframe
3 minInsert a spudger under the plastic midframe retention clips and pry upward to lift out the frame.
- 11
Disconnect Battery
2 minUse the flat end of a spudger to disconnect the battery flex cable from the mainboard.
- 12
Disconnect Camera and Antenna Flexes
4 minGently disconnect the front camera, rear camera modules, and coaxial antenna cables from the board.
- 13
Remove Motherboard Screws
3 minUndo the remaining T5 Torx screws securing the motherboard to the rear casing.
- 14
Pry Out Motherboard
3 minCarefully pry up the motherboard using a spudger and lift it out of the enclosure.
- 15
Locate Titan Security Chip
3 minIdentify the Titan M security chip under the metallic EMI shield on the upper section of the board.
- 16
Reflow Security Chip Joints
10 minApply targeted heat to the Titan M chip to reflow cracked solder pads, or replace the entire board assembly.
After your Google Pixel 4a 5g titan security chip repair
Power the Pixel 4a 5g 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 4a 5g 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 4a 5g repair context in the encyclopedia, or open related DIY guides.
