OEM Battery Back Cover Adhesive Sticker Replacement for Samsung Galaxy A21s A217

•Help to stick your battery back cover to the frame firmly •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 Compatible with: •Galaxy A21s Package included: •1 x OEM Battery Back Cover Adhesive Sticker