Phone · Motorola · Moto E6S
Motorola Moto E6S Logic Board Repair
Logic Board Repair guide for the Motorola Moto E6S
Before you begin
Tools
- Phillips #00 screwdriver
- SIM card eject tool
- Plastic spudger
- Plastic opening picks
- Fine-point tweezers
- Precision soldering iron
- Anti-static wrist strap
- Magnifying glass or headlamp
Parts / materials
- Isopropyl alcohol (99%)
- Soldering flux paste
- Desoldering braid
- Lint-free swabs
Safety
- Always disconnect the battery before working on internal electronics.
- Wear safety glasses while soldering or handling small metal tools.
- Use an anti-static wrist strap to protect delicate components from electrostatic discharge.
- Work in a well-ventilated area to avoid inhaling soldering fumes.
Overview
Step-by-step
- 1
Power Off the Device
1 minPress and hold the power button, then tap Power Off on the screen to completely shut down the phone.
- 2
Eject the SIM Card Tray
1 minInsert a SIM eject tool or thin paperclip into the hole beside the SIM tray and push gently to pop it out.
- 3
Unclip the Back Cover
3 minInsert a plastic opening pick between the screen bezel and the back cover to release the plastic clips along the perimeter.
- 4
Disconnect the Fingerprint Reader Flex Cable
2 minSlightly lift the back cover and use a plastic spudger to disconnect the fingerprint sensor cable from the logic board.
- 5
Remove Motherboard Shield Screws
3 minUse a Phillips #00 screwdriver to remove the screws securing the upper plastic motherboard shield.
- 6
Remove Upper Motherboard Cover
2 minPry up and lift out the plastic shield covering the top section of the motherboard.
- 7
Disconnect the Battery Connector
1 minUse a plastic spudger to detach the battery flex cable from the logic board to prevent electrical short circuits.
- 8
Unplug Display and Sub-Board Flex Cables
2 minDisconnect the display flex cable and the interconnect ribbon cable connected to the bottom of the logic board.
- 9
Disconnect the Coaxial Antenna Cable
2 minUse fine tweezers to gently unclip the antenna cable from its connector on the right edge of the logic board.
- 10
Remove Front and Rear Camera Modules
3 minDisconnect the front-facing and rear camera flex cables, then lift the camera modules out of the frame.
- 11
Remove the Logic Board
3 minCarefully pry the logic board out of the phone housing starting from the top edge.
- 12
Clean Damaged Circuitry
5 minApply 99% isopropyl alcohol with a lint-free swab to clean solder joints and remove corrosion or debris on the board.
- 13
Solder Damaged Logic Board Components
12 minApply flux and use a fine-tip soldering iron to reflow or solder damaged joints and surface-mount components.
- 14
Reinstall the Logic Board
3 minAlign the repaired logic board back into the upper housing, ensuring all flex cables stay resting above it.
- 15
Reconnect Cameras and Antenna Cable
3 minReinsert the camera modules into their sockets and snap the coaxial antenna cable firmly onto the board.
- 16
Reconnect Display and Battery Cables
2 minSnap the main interconnect cable, display flex cable, and battery cable back onto their respective board connectors.
- 17
Reattach Shield and Fasten Screws
3 minPosition the plastic motherboard cover over the board and secure it with the Phillips screws.
- 18
Attach Fingerprint Cable and Snap Back Cover
3 minReconnect the fingerprint flex cable, align the back cover, and press firmly around the edges until it snaps closed.
After your Motorola Moto E6S logic board repair
Power the Moto E6S 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 Moto E6S 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 Moto E6S repair context in the encyclopedia, or open related DIY guides.
