Review on 📱 SEGMOI(TM) Universal Smartphone Ring Grip Stand Holder Car Mounts Cradle - iPhone 5 5s 6 6S 6Plus iPad Samsung HTC Nokia Huawei OnePlus by Nathan Akers

The product will not stick to the smooth back of the OnePlus 5 phone (which you find to be one of the most ideal adhesive surfaces). The ring does not stick for a long time, even if the surface is cleaned properly before sticking. The ring stays in place for about a day, but twisting and moving the ring (common use) will cause the ring handle to loosen. I tried to stick it on with 77 spray adhesive but it only took a day to come loose. The sticky element on the ring is a type of foam tape that allows little movement and is likely to weaken over time.