Open the back cover.
Lift and remove the battery. The battery model of Fly FS505 Nimbus 7 is BL6424.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 13 bolts in the frame of the phone.
Pry and remove the middle frame.
Disconnect connectors on the daughterboard.
Unsolder connectors on the daughterboard.
Remove the daughterboard, also known as sub-board.
Disconnect the connector on PCB, and remove the main camera.
Using a screwdriver (Phillips 1.5 mm PH000), unscrew 3 bolts in the PCB.
Disconnect connectors on the PCB.
Turn over the PCB.
Disconnect connectors on the PCB and remove it.
Disconnect the connector on PCB, and remove the front (selfie) camera.