No need to go around the back to press,you can just press the buttons on both sides of car phone holder mount to fit all smartphones up to 4.13(10.5cm)wide,compatible with iPhone 16/16 Pro/16 Pro Max/16 Mini/iPhone 15/15 Pro/15 Pro Max/15 Minii/iPhone 14/14 Pro/14 Pro Max/14 Min/iPhone 13/13 Pro/13 Pro Max/13 Mini/12/12 Pro/12 Pro Max/12 Mini/SE/11 Pro Max/11 Pro/11/XS MAX/XS/XR/X/8/8 Plus/7/7 Plus/S10/ S10e/ S9/ S8 and more. 2 in 1 design of car cup holder + car phone holder cleverly increases the space for storing drinks. Dual car cup holder expander compatible with large bottles and most 12-40oz, 3.78" wide large bottles & big drinks; At the same time comes with a base that can be expanded from 2.56"-3.94" in diameter to fill the console cup holder to fit different vehicles, compatible with Tesla, SUV, truck, RV, and golf cart, treadmill, sectional couch etc. Purchase with caution if car has a narrow center. Gooseneck arms do not do a stable support phone and