the adhesive is 3 narrow pieces of double sided tape. You can carefully peel it off the old battery and reuse it. I don't see where it's absolutely necessary though. The battery isn't going to move around after the phone is put back together.
Step 4, there are also 2 T shaped tabs on the sides locking the mid frame plate. Above them you can see an angled hole where you can insert a paper clip to push them out and up to unlock them.
Lorsqu'il en aura reçu, il pourra afficher un graphique de sa réputation au fil du temps.
Voici un aperçu de ce à quoi ressemble ce graphique :
Aucun point de réputation obtenu pour l'instant.