I know it should probably be obvious, but just make sure you’ve removed any MicroSD card and the SIM card tray before trying to lift out the board, as otherwise they’ll prevent it from lifting :)
Also, I had to peel off one side of the strip of black tape at the top right (visible in the photos, but not mentioned)
Are you sure Phillips #00 is the correct size of screwdriver? I had difficulty getting one of the screws to turn (the screwdriver kept slipping), so I tried the other sizes in my iOpener Kit and found that the PH#000 seemed to fit them better, and that screw came straight out with it.
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