t’s easy to fix in your handset & it’s a battery door back panel, not a back glass:-

• You can use it on your mobile phone Vivo Y21:-
• If your back panel has creaked and scratched so you can buy it no worry:-
• If you have placed your order for Vivo Y21 after you received you won’t replace this product we can replace easily if any manufacturing defect in our product.:-
• Before placing your order please check once again that you are ordering the right product because it’s not good for you and us.
• All Color is available
• must be color manson of order