For Samsung Galaxy A16 A56 A55 A17 A37 A57 Smart Window Case, APP Wake Up/Sleep, Wallet Phone Protect Cover Card Pocket Holder Case

This item needs to download an APP to use with it, and there is an instruction manual attached, if you mind, please don't buy it!

Compatible Model: For Samsung Galaxy Series Package included :1*Phone Case.(Not Including Phone) Material: PU leather + PC hard shell + TPU edge

Note：(If you mind very much then Suggest not purchasing)This flip Case and it's need to download the app to activate the function. If you don't download the app to activate the sleep function, then it's just a regular protective case. Don't worry, the app only supports activating the Flip case function. There are no safety factors involved. Suggest you can refer to the video steps to easily activate the sleep function. Thank you for your trust.

your device will be attractive and usable while protected from scratches in this Stylish New case. Protect your phone from scratches, dust or damages. It moulds perfectly to your phone's shape while providing easy access to vital functions.

Due to your different monitor setting and lighting, it may has some color difference from the real item.But we guarantee that the style is the same as the picture showing. thanks and please kindly understand.