You Could Add One more Step: When assembling the screen it is necessary to tuck the digitizer cable back into the tablet as it wants to fold toward the outer edge and prevent the digitizer glass assembly from laying flat against the framework. You can do that with a Spudger by pushing the cabole back into the tablet as you close or seat the glass digitizer.
Trust the directions! I forgot and left it in the Microwave too long and after 1 minute I had Mt Vesuvius - the iOpener burst and spewed the goodies out. The problem is, the Digitizer can be damaged by a hot air gun, so I had to tough out and remove the glue the hard way. I made it … with lots of patience! Tough lesson.