I could not exert enough force using the suction cup that came with iFixit battery replacement kit

to pull the bottom of the screen away from the case. However, an X-acto knife inserted between the

screen and the bottom edge of the case near the left corner allowed me to lift the screen sufficie

ntly to insert a stiffer blade (a tiny screwdriver). Lifting further with the stiffer blade I was

able to complete the separation by sliding the edge of a credit card along the bottom and sides of

the screen. A plectrum would have worked as well. Using a knife blade eliminates the risk of dama

ging the home-button cable.