Samsung Galaxy J1 Motherboard Replacement

Insert a plastic spudger between the back cover and the device.

• Gently pry the rear cover off the back of the phone.

Locate the SIM card slot.

• Use your fingertips to pull the SIM card down from its slot.
• The SIM card should now be exposed and removable.

The device is missing a SIM card and requires reinstallation. Ensure you have the correct replacement part before proceeding.

Remove the SIM card.

Remove the eleven 3 mm screws using a Phillips #00 screwdriver.

• Insert a plastic opening tool between the screen and back panel.
• Gently slide the tool along the edges of the screen, starting at the bottom.

When removing the main assembly, be careful not to crack the glass screen or break clips.

• Pry the main assembly gently from the midframe.

Disconnect the ear speaker connector with the flat edge of a spudger.

Disconnect the digitizer connector with the flat end of a spudger.

Disconnect the front-facing camera cable using the flat end of a spudger.

Disconnect and remove the front-facing camera.

Use the flat end of a spudger to carefully pry underneath the motherboard.

• Be cautious not to damage any surrounding components.

• Once loose, lift and remove the motherboard.

Disconnect the rear camera cable connector using the flat end of a spudger.

Disconnect the rear camera cable.

Remove the rear camera module from its mounting bracket.