Phone · Motorola · Moto E5 Plus
Motorola Moto E5 Plus Logic Board Repair
Logic Board Repair guide for the Motorola Moto E5 Plus
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening picks
- SIM eject tool
- Tweezers
- Heat gun or hair dryer
- Soldering iron
- Magnifying lamp
Parts / materials
- Desoldering braid
- Rosin flux paste
- 99% Isopropyl alcohol
- Pre-cut back cover adhesive
Safety
- Wear an anti-static wrist strap to prevent ESD damage to sensitive board components.
- Perform soldering in a well-ventilated area or use a fume extractor to avoid inhaling lead/flux vapors.
- Avoid applying excessive heat near the battery to prevent thermal runaway.
Overview
Step-by-step
- 1
Eject SIM Tray
1 minInsert a SIM eject tool into the pinhole on the upper-left edge of the phone. Push inward firmly until the tray pops out, then remove it.
- 2
Heat Rear Cover
3 minApply a heat gun or iOpener around the outer edges of the back panel for about two minutes to soften the internal adhesive.
- 3
Slice Back Cover Adhesive
4 minInsert a thin plastic opening pick into the lower seam and slice along the edges to free the rear cover.
- 4
Disconnect Fingerprint Sensor
2 minSlightly lift the rear cover and use a pair of tweezers to unclip the fingerprint reader flex cable from the logic board.
- 5
Unscrew Midframe Screws
3 minUse a Phillips #00 screwdriver to remove all 18 screws securing the midframe and motherboard shields to the chassis.
- 6
Remove Upper Midframe Bracket
2 minPry up the top plastic midframe cover using a plastic opening tool and set it aside.
- 7
Disconnect Battery Cable
1 minPry the battery press connector straight up from its motherboard socket using a plastic spudger to disable power.
- 8
Disconnect Display and Interconnect Cables
2 minDetach the display flex cable, digitizer cable, and lower board interconnect cable from the logic board with a spudger.
- 9
Unplug Antenna Cable
1 minUse fine tweezers to gently pry the white coaxial antenna head straight up from the top-right corner of the board.
- 10
Remove Board Retaining Screw
2 minUnscrew the single silver Phillips #00 screw securing the logic board near the top speaker housing.
- 11
Pry Out Logic Board
2 minInsert a spudger under the top edge of the logic board and gently pry it up out of the plastic chassis.
- 12
Inspect Board Damage
5 minPlace the motherboard under a magnifying lamp to locate corroded traces, broken joints, or damaged micro-components.
- 13
Apply Flux and Clean Solder
8 minApply rosin flux paste to the target solder pads and use a heated iron with desoldering braid to strip excess solder.
- 14
Solder Damaged Component
10 minPosition the new surface-mount component onto the pads and reflow the solder connections cleanly using your iron.
- 15
Reinstall Logic Board
3 minAlign the logic board back into the chassis frame and press down gently until all clips click into place.
After your Motorola Moto E5 Plus logic board repair
Power the Moto E5 Plus 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 E5 Plus 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 E5 Plus repair context in the encyclopedia, or open related DIY guides.
