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Open the back cover.
Lift and remove the battery.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 15 bolts in the frame of the phone.
Pry and remove the middle frame.
Disconnect connectors on the daughterboard.
Remove the daughterboard, also known as sub-board.
Disconnect the connector on PCB and remove the coaxial cable.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 1 bolt in the PCB.
Disconnect connectors on the PCB.
Remove the PCB.
Parts are in the frame of the display module.
Disassembling\Repair has easy complexity and takes about 10 minutes in time.Our manual is suitable for all models ZTE Blade A520 released for markets in different countries.