Product Review

ATTENTION
1、the S7 and S7 Edge trays are not interchangeable

2、Single Card Tray and Dual Card Tray are interchangeable, But Single Card Tray can put down SIM1+TF（MicroSD)Card. Dual Card Tray can put down SIM1+SIM2 or TF（MicroSD)Card.

This may mean that a single card of the phone with a double card tray has no effect, but the dual sim phone with a single card of tray, then you can only use a SIM card