For Samsung Galaxy Ultra S21 Plus S21+ S-View Intelligent Leather Cases Flip-free Answer Calls Window View Clear Smart

Difference between APP intelligent wake-up and chip equipped 1 Appearance： exactly the same 2 functions： Chip: Can answer calls without flip cover, intelligently sleep and wake up the phone APP intelligent wake-up: Scan and install the software on the QR code to achieve closed sleep display of small window time, open the lid to wake up the phone, and reduce button operations. The difference from chips is that there is no flip cover for answering