Phone · Samsung · Galaxy S1
Samsung Galaxy S1 Charging Port Repair
Charging Port Repair guide for the Samsung Galaxy S1
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic opening tools
- Spudger
- Tweezers
- Anti-static wrist strap
- Magnifying glass or headlamp
Parts / materials
- Replacement Samsung Galaxy S1 charging port daughterboard
- 99% Isopropyl alcohol
Safety
- Always power off the device completely and remove the battery before working on internal electronics.
- Wear an anti-static wrist strap to avoid damaging delicate integrated circuits with static electricity.
- Do not bend or force flex ribbon connectors to prevent permanent damage to the board contacts.
Overview
Step-by-step
- 1
Attach the anti-static wrist strap
1 minClip the strap to a grounded metal surface to prevent electrostatic discharge.
- 2
Power off the device
1 minPress and hold the Power button, then select Shut Down on the screen.
- 3
Remove the back cover
1 minInsert a plastic opening tool into the notch near the top and lift the plastic rear cover off.
- 4
Remove the battery
1 minUse your fingernail or a pry tool at the bottom recess to lift the battery out of the phone.
- 5
Remove the SIM card
1 minSlide the SIM card straight out of its metal retention slot.
- 6
Remove the microSD card
1 minPush the microSD card slightly inward to release the lock, then pull it out.
- 7
Unscrew the midframe
3 minUse a Phillips #00 screwdriver to remove the seven screws securing the rear plastic midframe.
- 8
Unclip the midframe perimeter
2 minInsert a plastic pry tool between the front screen assembly and the midframe along the side seam.
- 9
Separate the midframe
1 minCarefully pop all plastic clips around the border and lift the rear midframe off the phone.
- 10
Disconnect the digitizer flex cable
1 minUse a spudger to pry the digitizer pop-connector straight up off the motherboard.
- 11
Disconnect the LCD display flex cable
1 minGently lift the display cable connector from its socket near the upper motherboard.
- 12
Disconnect the headphone jack assembly
1 minPry up the small press-connector for the audio jack and speaker unit.
- 13
Disconnect the side key ribbon cables
2 minUse tweezers to carefully lift the volume and power button flex connectors.
- 14
Unscrew the motherboard
1 minRemove the single Phillips #00 screw holding the motherboard to the front housing.
- 15
Lift the motherboard
2 minGently lift the main board up from the bottom edge and remove it from the front assembly.
- 16
Disconnect the charging port daughterboard
1 minPry up the flex connector attaching the micro-USB board to the bottom of the motherboard.
- 17
Remove the old charging port assembly
2 minUse tweezers to carefully lift the defective charging port module off the motherboard clips.
- 18
Position the new charging port assembly
2 minAlign the replacement micro-USB port board into the precise notch on the lower motherboard.
- 19
Connect the charging port flex cable
1 minPress down on the daughterboard connector until it firmly snaps onto the mainboard socket.
- 20
Reinstall the motherboard
2 minLower the motherboard back into the front frame, ensuring no flex cables are trapped underneath.
- 21
Secure the motherboard screw
1 minFasten the single Phillips #00 screw back into the main board chassis hole.
- 22
Reconnect all display and button flex cables
3 minPress down firm, gentle force to snap the display, digitizer, and key connectors back into place.
- 23
Snap the rear midframe into place
2 minAlign the midframe over the front assembly and press along the edges until all clips engage.
- 24
Fasten the midframe screws
3 minDrive the seven Phillips #00 screws back into the rear midframe.
- 25
Reinsert the SIM and microSD cards
1 minSlide your SIM card and memory card back into their respective slots.
- 26
Reinstall the battery and back cover
1 minInsert the battery gold contacts first, then snap the back cover firmly onto the housing.
After your Samsung Galaxy S1 charging port repair
Power the Galaxy S1 back on and test the charging port 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 Samsung Galaxy S1 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy S1 repair context in the encyclopedia, or open related DIY guides.

