Phone · Motorola · Moto E22
Motorola Moto E22 Logic Board Repair
Logic Board Repair guide for the Motorola Moto E22
Before you begin
Tools
- Phillips #00 screwdriver
- SIM card eject tool
- Plastic spudger
- Opening picks
- Tweezers
- Heat gun or iOpener
- Soldering iron
- Anti-static wrist strap
Parts / materials
- Isopropyl alcohol (99%)
- Soldering flux
- Desoldering braid
- Double-sided repair tape
Safety
- Wear eye protection when soldering micro-components
- Disconnect the battery before touching any logic board components
- Work in a well-ventilated space to avoid inhaling flux fumes
Overview
Step-by-step
- 1
Eject the SIM card tray
1 minInsert a SIM eject tool into the pinhole on the left side of the phone. Push firmly until the tray pops out, then remove it completely.
- 2
Heat the perimeter of the back cover
2 minApply a heated iOpener or heat gun around the rear cover edges for two minutes to soften the internal adhesive.
- 3
Slice through the rear cover adhesive
4 minInsert an opening pick into the gap between the rear cover and outer frame, sliding it carefully along all edges to release the plastic clips and adhesive.
- 4
Disconnect the fingerprint sensor flex
2 minSlightly lift the rear cover and use a plastic spudger to pry the fingerprint sensor connector off the logic board.
- 5
Unscrew the upper motherboard cover
3 minRemove the Phillips #00 screws holding the protective plastic cover over the motherboard assembly.
- 6
Remove the upper motherboard bracket
2 minLift the motherboard plastic shield up and off the frame using a plastic spudger or tweezers.
- 7
Disconnect the battery press connector
1 minUse a spudger to pry the battery flex cable straight up from its motherboard socket to prevent accidental shorts.
- 8
Disconnect the display flex cable
1 minPry the display ribbon cable connector up from its socket on the logic board.
- 9
Disconnect the main interconnect cable
1 minDetach the primary interconnect flex cable connecting the logic board to the lower daughterboard.
- 10
Disconnect the coaxial antenna cable
2 minGently unclip the antenna cable connector from the lower right edge of the motherboard using tweezers.
- 11
Remove the logic board securing screw
1 minUnscrew the single Phillips #00 screw anchoring the logic board to the internal frame.
- 12
Lift out the logic board
2 minCarefully pry the logic board upward from the top edge and remove it from the phone chassis.
- 13
Inspect and re-solder logic board components
12 minApply soldering flux to damaged joints or components, using a fine-tip soldering iron to repair traces or re-seat loose surface-mount devices.
- 14
Reinstall the logic board
3 minPlace the repaired logic board back into the chassis, making sure all flex cables remain above the board.
- 15
Reconnect the motherboard flex cables
3 minSnap the display, interconnect, and antenna coaxial cables back onto their corresponding board terminals.
- 16
Reconnect the battery cable
1 minPress the battery connector firmly down into its motherboard socket until it clicks into place.
- 17
Reattach the upper motherboard cover
3 minPosition the plastic motherboard shield back onto the frame and replace all Phillips #00 screws.
- 18
Attach the back cover
3 minReconnect the fingerprint sensor cable, align the rear cover with the frame, and press along the edges until clips snap securely shut.
After your Motorola Moto E22 logic board repair
Power the Moto E22 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 E22 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 E22 repair context in the encyclopedia, or open related DIY guides.
