MOTHER
BOARD REPLACEMENT PROCEDURE
Pry
with a plastic opening tool, or your fingernail, in the divot to the left of
the rear-facing camera, near the power button.
Lift
the rear case by the corner nearest the divot and remove it from the phone.
Use
the flat end of a spudger, or your fingernail, to press the microSD card
slightly deeper into its slot until you hear a click.
After
the click, release the card and it will pop out of its slot.
Remove the microSD card.
For reassembly, push the microSD card into the slot until it clicks in place.
Remove the microSD card.
For reassembly, push the microSD card into the slot until it clicks in place.
Insert
a plastic opening tool, or your finger, into the notch of the battery
compartment and lift the battery upward.
Remove
the battery from your phone.
Use
a plastic opening tool, or your fingernail, to press the SIM card slightly
deeper into its slot until you hear a click.
After
the click, release the card and it will pop out of its slot.
Remove the SIM card.
During reassembly, push the SIM card into the slot until it clicks in place.
Remove the SIM card.
During reassembly, push the SIM card into the slot until it clicks in place.
Remove
the nine 4.0 mm Phillips #00 screws securing the midframe to the display
assembly.
The
midframe is secured to the display assembly by several plastic clips behind the
chrome bezel of the midframe. The next few steps will guide you through
separating the clips to free the midframe.
Starting
on the volume button side of the phone, insert your plastic opening tool
between the chrome bezel around the display glass and the larger chrome border
piece. Look for the seam between the two.
Slide the opening tool along the seam, separating the plastic clips as you go.
Be very gentle whilst prying, and pry only enough to separate the plastic clips—there are several thin points in the midframe bezel that may crack if you bend them too much.
Slide the opening tool along the seam, separating the plastic clips as you go.
Be very gentle whilst prying, and pry only enough to separate the plastic clips—there are several thin points in the midframe bezel that may crack if you bend them too much.
Continue
prying around the corner of the phone.
Slide
your opening tool along the seam between the midframe and display along the
bottom of the device, releasing more of the plastic clips.
Again,
pry around the corner, to the power button side.
Slide
the opening tool along the seam.
Continue
sliding the opening tool around the top of the phone, releasing the last of the
clips and freeing the midframe from the display assembly.
At
this point, you may want to run your plastic opening tool along the entire
perimeter of the device again, to make sure you've released all of the plastic
clips.
Remove
the midframe from the display assembly.
Use
the flat end of a spudger to disconnect the USB board connector.
Disconnect
the front-facing camera cable connector.
Disconnect the earpiece speaker assembly cable connector.
Disconnect the earpiece speaker assembly cable connector.
Disconnect
the headphone jack assembly cable connector.
Disconnect
the display/digitizer cable connector.
Disconnect the antenna cable connector.
Disconnect the antenna cable connector.
Remove
the single 2.4 mm Phillips #00 screw from the motherboard assembly.
Gently
remove the motherboard.
Hold
the motherboard by its edges to prevent ESD damage. Be careful not to snag it
on any cables as you extract it from the display assembly.
Use
the flat end of a spudger to disconnect the rear-facing camera connector.
Using
tweezers, or your fingers, slide the rear-facing camera out of its notch in the
motherboard.