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Repair Guides

Difficult1.5 to 2 hours11 steps

A housing replacement is necessary when the frame is bent, twisted, or severely cracked from heavy impact, which risks damaging internal circuitry and ruins dust resistance. This repair requires a complete teardown of the phone, transferring every delicate sub-assembly from the damaged chassis into a fresh frame. Take your time, keep all screws neatly organized, and handle the battery and flex ribbons with extreme care to ensure a clean rebuild.

Required Tools

Heat gun or specialized heating matHeavy-duty suction handlePlastic opening picks and nylon spudgerPrecision Phillips screwdriver (#00 / #000)Curved ESD-safe tweezersHigh-purity isopropyl alcohol (90% or higher)Precut rear glass and battery adhesive gasketsSIM card ejector tool
  1. 1

    Power Down and Prep the Device

    • Turn off the device completely and remove the SIM card tray using an ejector pin.
    • Ensure the battery level is depleted below 25% prior to starting the procedure to reduce fire risk in case of accidental damage.
  2. 2

    Heat and Separate the Back Glass

    • Apply uniform heat at roughly 75°C to the outer edges of the rear panel for two to three minutes to soften the factory glue.
    • Attach a suction handle near the lower edge, pull upward to create a slight gap, insert a plastic pick, and slice carefully around the perimeter to release the back glass.
  3. 3

    Remove Upper Shield and Wireless Coil

    • Take out the Phillips screws holding the top protective midframe and wireless charging coil.
    • Carefully lift the plastic bracket and coil assembly out of the chassis to expose the motherboard underneath.
  4. 4

    Disconnect the Battery Terminal

    • Use a non-conductive plastic spudger to unseat the battery connector from the mainboard immediately.
    • Never use metal tools or tweezers near the battery socket to avoid accidental electrical shorts.
  5. 5

    Remove Lower Speaker and Sub-Board

    • Unscrew the lower loudspeaker assembly and pull it from the chassis.
    • Disconnect the main interconnect flex ribbons, release the daughterboard retaining screws, and gently pry out the USB-C charging port board.
  6. 6

    Extract the Motherboard

    • Disconnect the front-facing camera, display ribbon, volume/power buttons, and antenna cables from the logic board.
    • Remove any remaining motherboard mounting screws, then lift the board out by its edges, avoiding pressure on surface-mounted chips.
  7. 7

    Transfer Peripheral Components

    • Using fine tweezers, carefully remove the earpiece speaker, haptic vibration motor, and side button flex ribbons from the damaged chassis.
    • Install them into the matching recesses of the new housing, using light adhesive if needed.
  8. 8

    Safely Remove and Transfer the Battery

    • Apply a few drops of isopropyl alcohol around the battery seams to loosen the underlying adhesive layer, or use the integrated pull-tab if present.
    • Gently ease the battery out with a wide plastic pry tool without puncturing or bending it, then seat it into the new housing with fresh adhesive tape.
  9. 9

    Reinstall Main Boards and Reconnect Cables

    • Place the motherboard and sub-board into the new chassis, securing both with their dedicated screws.
    • Reattach all display lines, interconnect ribbons, antenna leads, and camera connectors until they click firmly into place.
  10. 10

    Reconnect Battery and Perform a Function Test

    • Plug the battery connector back into the motherboard, temporarily place the wireless coil bracket, and power on the phone.
    • Verify that touch response, cameras, charging, and speaker output work properly before finalizing the assembly.
  11. 11

    Secure the Rear Glass

    • Clean off any old adhesive residue from the perimeter of the back glass using isopropyl alcohol, apply a fresh precut adhesive gasket, and press the glass firmly into the frame to complete the repair.

Disclaimer: repairs are done at your own risk. Devices contain batteries and live components; improper handling can cause injury or fire. For a safe, warrantied repair, contact us.

FAQ

Will replacing the housing restore the original factory water resistance?

Installing a new precut adhesive gasket restores solid splash and dust protection, but manual repairs cannot reliably match automated factory IP68 immersion ratings. Keep the phone away from direct water exposure after the repair.

Is it better to buy a bare housing or a frame with a pre-installed display?

Buying a housing assembly with a factory pre-installed AMOLED screen is strongly recommended. Separating a modern OLED screen from an old bent frame requires high heat and precision, carrying a high risk of breaking the display.

What should I do if the battery bends during removal?

If the lithium-ion battery suffers any noticeable creasing, warping, or punctures, do not reuse it. Bent batteries pose a severe thermal runaway hazard, so replace it with a new unit and recycle the old one properly.

Why is screw organization critical for this repair?

Samsung chassis designs use screws of varying lengths and thread types across different brackets. Driving a long screw into a shallow socket can permanently crack the display beneath the midframe.

Device

Professional Device Repair vs. DIY Guides

While our step-by-step guides are perfect for troubleshooting minor issues at home, complex hardware faults require expert intervention. If you are facing critical issues, choosing a professional phone repair Slovenia or laptop repair Slovenia service ensures your device is handled safely without risking further damage.

Why Choose KRON Servis for Your Tech Repairs?

At KRON Servis, we repair over 3,284 devices every month with an outstanding customer rating of 4.9/5. Whether you need a reliable phone repair Ljubljana or comprehensive servicing for consoles, TVs, and smart mobility, our certified technicians are here to help. We operate in two convenient locations: Zagrebška cesta 83a in Maribor and Vilharjeva cesta 29 in Ljubljana, open Monday to Friday from 8:00 to 16:00.

We use high-quality OEM parts and offer a 12-month warranty on all repairs. Professional diagnostics are available for 25 € (VAT included). Avoid the risks of DIY mistakes and let our experts restore your device. For more details on our rates, visit our pricing page, check our services, or contact us directly at questions@kron.si or via our contact form. You can also track your device anytime on our repair status page.

  • 12-month warranty
  • Original (OEM) parts
  • Your data kept confidential
  • Loaner device for mail-in repairs
  • 3,284+ devices per month