Phone · Motorola · G Stylus 4G
Motorola G Stylus 4G Logic Board Repair
Logic Board Repair guide for the Motorola G Stylus 4G
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Precision screwdriver set (Phillips #000, #00)
- Tweezers
- SIM eject tool
- Anti-static wrist strap
Parts / materials
- Replacement logic board
- Pre-cut back cover adhesive strips
- Isopropyl alcohol (99%)
Safety
- Always disconnect the battery connector first before handling motherboard components.
- Wear safety glasses when applying heat to glass or plastic panels.
- Do not bend, puncture, or apply pressure directly to the lithium-ion battery.
Overview
Step-by-step
- 1
Eject Stylus and SIM Tray
1 minInsert a SIM eject tool into the hole on the top-left edge to remove the SIM tray, then slide the stylus out from the bottom corner.
- 2
Heat the Back Panel
2 minApply a heat gun or hairdryer along the outer edges of the rear cover for two minutes to soften the underlying adhesive.
- 3
Attach Suction Cup
2 minPress a suction cup onto the lower portion of the back panel and gently pull upward to create a thin gap.
- 4
Slice Rear Adhesive
5 minInsert a plastic opening pick into the gap and slowly slide it around all four edges to cut the adhesive.
- 5
Disconnect Fingerprint Flex
2 minLift the rear panel slightly and use a spudger to pry the fingerprint reader flex connector off the logic board.
- 6
Unscrew Midframe Bracket
3 minRemove the Phillips #000 screws securing the upper plastic midframe shield to the phone frame.
- 7
Remove Midframe Shield
2 minInsert a spudger beneath the edge of the plastic midframe cover and lift it free from the phone.
- 8
Disconnect Battery Connector
1 minPry the battery press connector straight up from its socket on the motherboard to safely cut power.
- 9
Disconnect Display and Interconnect Cables
3 minUse a spudger to disconnect the main interconnect flex cable, display flex, and antenna cables from the logic board.
- 10
Disconnect Camera Modules
3 minPop the front selfie camera and rear camera flex connectors off the logic board using the flat end of a spudger.
- 11
Remove Motherboard Retaining Screws
2 minUnscrew the remaining Phillips screws holding the logic board to the internal chassis.
- 12
Lift Out Old Logic Board
3 minCarefully pry under the lower edge of the logic board with a spudger and lift it out of the device body.
- 13
Set Replacement Logic Board
3 minAlign the replacement logic board over the screw posts in the chassis and press it down flush into position.
- 14
Reattach Cables and Reassemble
8 minReconnect all camera modules, interconnect cables, and the battery connector before screwing down the midframe shield and securing the back cover.
After your Motorola G Stylus 4G logic board repair
Power the G Stylus 4G back on and test the logic board 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 Motorola G Stylus 4G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola G Stylus 4G repair context in the encyclopedia, or open related DIY guides.
