The most difficulty part is the Sticker

Моя проблема

the sticker snaped

Моё решение

Everything of the repair is great, but only when I try to remove the stickers between the old battery and the rear case. The sticker is easy to snap. At last, I have to warm up the case and roughly tip it up.

Мой совет

At last, I have to warm up the case and roughly tip it up.