Xiaomi Redmi 2 – Disassembling procedure – How to replace the Mother board
Use the flat
end of the spudger to remove the back panel from the mid-frame and front body.
Insert your
finger into the curved opening of the mid-frame.
Lift the
battery and remove.
Remove the
SIM and/or memory cards if present.
Remove twelve
3.4 mm Phillips #000 screws securing the mid-frame to the front body.
Slide the
spudger between the mid frame and front body, gradually prying the
two bodies apart as you slide the spudger around the perimeter of the
phone.
Remove the
3.4 mm Phillips #000 screw that holds the motherboard to the front
body.
Keep this
screw separate from the initial twelve.
Using one
prong of the tweezers, pry back the brown clip located on top of the LCD
ribbon connector.
Using one
prong of the tweezers, pry the ribbon clip away from the motherboard.
Lift and
hinge the motherboard with your fingers.
Using one
prong of the tweezers, lift and pry back the metal clip positioned over the
front proximity sensor ribbon connector.
Lift the
motherboard out of the front cover and set aside.
Remove the
2.9 mm Phillips #000 screw that holds the PCB circuit board to the
screen assembly.
Using the
tweezers, lift the antenna connector from the PCB circuit board.
Do not remove
the PCB circuit board at this time.
Using the nylon
or metal spudger, gently pry back the top of the PCB circuit board from the
screen assembly.
Using the
nylon or metal spudger, pry back the silver clip covering the ribbon
connector.
Carefully
lift the PCB circuit board from the screen assembly and set aside. The
screen assembly is pictured to the left of the circuit board and is now
ready for repair or replacement.