Welp. Most wtb glues are contact glues. They love each other the most. All official (made by manufacturers) guides were using glue on both surfaces....
Show us some footage m8. It will make the job a lot easier. Also what exactly are you trying to achieve? You want to return the ball long underspin?...
I would suggest that you do not replace rubber unless you feel it is necessary. If you rubber feels ok why bother changing just because someone else...
Have you ever used H3N for longer periods of time before boosting it? Based on my experience after 2-3 weeks of playing they become a bit more alive...