Please note:You do not need to open the cover to view the message. Smart function only with wake / sleep function. You cannot answer calls through the filter cover.Instructions for use:Step1: Find the QR code CARD of the retail package (comes with the case)Step2: scan the QR code to download and install the software to support "smart wake up" functionStep3: Does the case work?Characteristics:1. Unique and smart sleep / wake-up design, make the screen turn on / off automatically while flip open / close, improve battery life more conveniently.2. Book-style case with smart mirror, Quick View of SMS, call, date, time, etc.3. Plated mirror surface, can be used as a mirror.4. Perfectly match the shape of your phone and make it personalized and absorbent.5. It can protect the back of the phone and the frame from fingerprints, scratches, dust, collisions and abrasion.6. Unique design allows easy access to all buttons, controls and ports without removing the case.