Skip to content
Repair Guides

Difficult2 to 3 hours8 steps

A bent or severely damaged frame on your Galaxy Z Fold7 requires a complete housing replacement to prevent further damage to the delicate inner display. This repair involves transferring all internal components, including the motherboard, batteries, and outer screen, into a new chassis assembly. Expect a challenging process that requires patience, heat, and extreme care around the flexible OLED panels.

Required Tools

Heat gun or iOpenerSuction handleIsopropyl alcohol (90% or higher concentration)Plastic guitar picks and spudgersPrecision Phillips screwdriverTweezersReplacement adhesive stripsSafety glasses
  1. 1

    Power Off and Prepare the Device

    • Turn off your Samsung Galaxy Z Fold7 completely before starting.
    • Apply heat to the back glass panel using a heat gun to soften the adhesive.
    • Wear safety glasses in case the glass cracks during removal.
  2. 2

    Remove the Back Glass

    • Place a suction cup on the lower half of the back glass and pull gently to create a gap.
    • Insert a plastic pick and slide it around the perimeter to slice the adhesive.
    • Lift the panel away and set it aside safely.
  3. 3

    Remove the Outer Cover Screen

    • Apply heat to the edges of the outer display to loosen its strong adhesive.
    • Carefully insert a thin plastic pick and work around the edges while avoiding the delicate flex cable located near the bottom.
    • You must remove this screen safely because Samsung routes the main inner display flex cable underneath the outer screen.
  4. 4

    Disconnect Power and Remove the Charging Coil

    • Unscrew the plastic shields and the wireless charging coil using a precision Phillips screwdriver.
    • Disconnect both battery flex cables immediately to ensure the device is safe to work on.
    • This prevents accidental short circuits during the rest of the repair.
  5. 5

    Extract the Motherboards

    • Disconnect all visible flex cables for the display, cameras, and interconnects.
    • Remove the retaining screws and gently lift the main motherboard and lower sub-board out of the chassis.
    • Handle the boards by their edges to avoid static discharge damage.
  6. 6

    Remove the Batteries Safely

    • Apply a few drops of high concentration isopropyl alcohol around the edges of both batteries to dissolve the adhesive.
    • Use a blunt plastic spudger to gently pry them out.
    • Never puncture or bend the battery cells because this can cause a dangerous thermal event.
  7. 7

    Transfer Small Components

    • Move the vibration motor, speakers, and any remaining flex cables from the old frame to the new housing.
    • Ensure everything is seated flush in its designated compartment.
    • Double-check that no small rubber gaskets or microphone meshes are left behind.
  8. 8

    Reassemble the Device

    • Install the batteries and motherboards into the new housing before reconnecting all internal cables.
    • Apply fresh adhesive strips to the outer screen and back glass, then press firmly to seal.
    • Power on the device to test touch functionality, cameras, and charging before regular use.

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 this repair fix a broken inner folding screen?

No. If your inner display is damaged, you will need a replacement inner screen assembly, which usually comes pre-installed in a new housing.

Is my phone still waterproof after this repair?

The water resistance will be compromised once the factory seals are broken. You must use high-quality replacement adhesive and apply it perfectly to restore basic moisture resistance.

Why is it so hard to remove the batteries?

Samsung uses very strong adhesive to secure the batteries in place. Using isopropyl alcohol is crucial to soften this glue and prevent dangerous battery punctures during removal.

Do I need to transfer the hinge mechanism?

Most replacement housings for the Z Fold7 come with the hinge and inner screen pre-assembled. If yours is a bare frame, transferring the hinge requires extreme precision and calibration.

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