The adhesive tape sticker is used to adhere battery during replacing the battery

No need assemble instruction, simply peel off the paper out and apply to necessary area

Each item has been checked and in good condition before shipping

This is not an easy job for someone who has no technical skills with Disassembling or Assembling cellphones/mobile phones, so only purchase this item if you know how to install it

Highly recommend professional installation. We will not be held responsible for any damages to your cellphone/mobile phone that you may cause during the changing of replacement parts