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Samsung Galaxy S4 Mini Charging Port Repair

Charging Port Repair guide for the Samsung Galaxy S4 Mini

Moderate
~30 min
17 steps

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 S4 Mini charging port daughterboard
  • Isopropyl alcohol (99%)

Safety

  • Wear an anti-static wrist strap to avoid damaging delicate electronic components with electrostatic discharge.
  • Ensure the device battery is completely removed before disconnecting internal components.
  • Do not use sharp metal tools near flex cables or internal circuit boards.

Overview

# Samsung Galaxy S4 Mini Charging Port Repair Repair Guide Action-specific charging port repair walkthrough for the Samsung Galaxy S4 Mini. About 30 minutes across 17 steps. This DIY guide walks through charging port repair on the Samsung Galaxy S4 Mini (Galaxy S series phone). Before you open the device, confirm the exact model number on the Samsung settings screen or rear housing so your replacement part matches the Galaxy S4 Mini specifically—not a similar Galaxy S sibling. Most DIY techs finish this Samsung Galaxy S4 Mini charging port repair in about 30 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Samsung Galaxy S4 Mini job: Phillips #00 screwdriver, Plastic opening tools, Spudger, Tweezers, Anti-static wrist strap, Magnifying glass or headlamp. Parts and supplies: Replacement Samsung Galaxy S4 Mini charging port daughterboard, Isopropyl alcohol (99%). Power the Galaxy S4 Mini off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Samsung Galaxy S4 Mini, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle charging port repair for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power Off the Phone

    1 min

    Press and hold the Power button until the shutdown menu appears. Tap 'Power off' and confirm to turn off the device completely.

  2. 2

    Remove the Back Cover

    1 min

    Insert a plastic opening tool into the notch near the power button. Gently pry the rear plastic panel away from the device chassis.

  3. 3

    Remove the Battery

    1 min

    Insert a plastic spudger or fingernail into the recess at the bottom of the battery compartment. Lift the battery up and out of the phone.

  4. 4

    Remove the SIM Card

    1 min

    Press inward on the SIM card until it clicks, then slide it completely out of its slot.

  5. 5

    Remove the MicroSD Card

    1 min

    Push the MicroSD card slightly inward to release the spring mechanism, then pull it straight out of the slot.

  6. 6

    Unscrew the Midframe

    3 min

    Use a Phillips #00 screwdriver to remove all ten screws securing the midframe to the display assembly.

  7. 7

    Pry Off the Midframe

    3 min

    Insert a plastic opening tool between the front glass assembly and outer bezel. Run the tool along the perimeter to release the plastic clips and separate the midframe.

  8. 8

    Disconnect the Charging Port Flex Cable

    2 min

    Use the flat end of a plastic spudger to pry the charging port flex connector straight up from its motherboard socket.

  9. 9

    Disconnect Antenna Connectors

    2 min

    Use fine tweezers to carefully pry up the coaxial antenna cables attached to the charging port daughterboard.

  10. 10

    Remove the Micro-USB Daughterboard

    2 min

    Insert a spudger under the charging port assembly and gently lift it out of the lower phone housing.

  11. 11

    Position the New Charging Board

    2 min

    Align the replacement charging port daughterboard over the lower housing recess and press it gently into place.

  12. 12

    Reconnect Antenna Cables

    2 min

    Use tweezers to position the coaxial antenna connectors over their headers on the new board and press down gently until they click.

  13. 13

    Attach the Charging Port Flex Cable

    2 min

    Align the flex cable press connector over its socket on the motherboard and press down firmly to snap it in place.

  14. 14

    Reattach the Midframe

    2 min

    Position the midframe over the front assembly and press along the edges until all perimeter clips snap securely into place.

  15. 15

    Secure the Midframe Screws

    3 min

    Reinstall the ten Phillips #00 screws into the midframe until turn-tight.

  16. 16

    Reinsert the SIM and MicroSD Cards

    1 min

    Slide your SIM card and MicroSD card back into their respective slots until they click into place.

  17. 17

    Reinstall Battery and Back Cover

    1 min

    Place the battery back into its bay, align the back cover, and press firmly along the edges to snap it close.

After your Samsung Galaxy S4 Mini charging port repair

Power the Galaxy S4 Mini 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 S4 Mini 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 S4 Mini repair context in the encyclopedia, or open related DIY guides.

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