5 - 30 minutos
My battery life sucked after leaving my back panel half-shattered for six months and finally replacing the back. It would get through about 6 hours of the day and then die. It kinda sucked.
All the words about GLUE were true. The glue was intense but defeatable. Other than that, it was easy as pie. We watched the video of the cheery lady for guidance.
The little connector sort of snaps in. Be gentle but firm with it.