How does LOCA glue get in between those layers in the first place? And how do you prevent LOCA glue from getting in there, if it hasn’t yet? I am planning to replace a touch-screen on a Z3 and the new touch-screen will be glued with LOCA, so that’s why I’m wondering.

This step i also unnecessary. Just flip the LCD back to uncover the digitizer connector.

This step is unnecessary! I just replaced the screen, and skipped this step!

The three tapes is best removed with tweezers! Then the LCD is easily flipped over. Extremely odd it’s not explained in this way.