Phone · Motorola · Moto Edge 50 Ultra
Motorola Moto Edge 50 Ultra Logic Board Repair
Logic Board Repair guide for the Motorola Moto Edge 50 Ultra
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Heat gun or hair dryer
- Tweezers
- Nylon spudger
- SIM eject tool
- Soldering iron
- Magnifying glass or headlamp
- Anti-static wrist strap
Parts / materials
- Flux
- Desoldering braid
- Isopropyl alcohol (99%)
- Pre-cut back panel adhesive template
Safety
- Work in a well-ventilated space when heating components and working with soldering flux.
- Wear safety glasses to protect against accidental solder splatters or thermal debris.
- Disconnect the battery before touching any metal components on the logic board.
- Wear an anti-static wrist strap to avoid ESD damage to sensitive microchips.
Overview
Step-by-step
- 1
Eject SIM tray
1 minInsert a SIM eject tool into the hole at the bottom edge of the phone to pop out the SIM tray.
- 2
Heat back panel
2 minApply heat with a heat gun around the edges of the rear cover for two minutes to soften the adhesive.
- 3
Slice back cover adhesive
5 minInsert a thin plastic opening pick into the bottom seam and carefully slide it around the perimeter.
- 4
Lift off back panel
2 minGently lift the rear glass panel away from the chassis and set it aside.
- 5
Unscrew top motherboard shield
4 minRemove the Phillips screws securing the plastic upper cover and integrated wireless charging coil.
- 6
Remove top shield assembly
2 minUse tweezers to lift the plastic shield and wireless charging assembly off the frame.
- 7
Disconnect battery flex cable
1 minPry the battery press connector straight up from the motherboard using a plastic spudger to cut power.
- 8
Disconnect rear camera modules
3 minUnplug the press connectors for the main, ultrawide, and telephoto camera modules from the logic board.
- 9
Disconnect front camera
2 minPry up the front-facing camera ribbon cable and remove the selfie camera module from its recess.
- 10
Disconnect display and interconnect flexes
2 minUnplug the display connector and the main interconnect ribbon cable leading to the sub-board.
- 11
Detach coaxial antenna cables
2 minUse fine tweezers to gently pop the antenna cable heads off their gold terminals on the logic board.
- 12
Unscrew logic board retaining screw
2 minRemove the single Phillips screw securing the logic board to the aluminum internal frame.
- 13
Remove logic board
3 minCarefully tilt the top edge of the logic board up and remove it completely from the frame.
- 14
Inspect board under magnification
5 minExamine the logic board using a magnifying glass or microscope to locate broken trace joints or failed SMD components.
- 15
Rework or solder board components
15 minApply flux and use a fine-tip soldering iron or hot air station with desoldering braid to repair damaged pads and replace faulty chips.
- 16
Reinstall logic board
3 minLower the repaired logic board back into the frame and secure it with its retaining screw.
After your Motorola Moto Edge 50 Ultra logic board repair
Power the Moto Edge 50 Ultra 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 Edge 50 Ultra 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 Edge 50 Ultra repair context in the encyclopedia, or open related DIY guides.
