If you have any questions, please contact us and we will get back in time. Send us a picture that will help us understand your problem better. Applicable phone models:This car cell phone holder will firmly hold all the smart phones (4-7inch) even with thicker case (=14mm) compatible with iPhone 14 13 12 pro max/ 11 pro max/XR/X/8/7/6/5, Note 20 10/ Galaxy S10+/ S9/ S8 /S7 /S6 and more. NOTE:WE RECOMMEND USING THE SMALLER PHONE(<4.7inch) WITH PHONE CASE. The phone can be placed horizontally or vertically. Navigation is more convenient and won't affect your driving view. AUTO LOCK, NO MORE FALL :This gravity slide-in car phone holder creatively features the Auto-lock arm-slots that stretch on the side can auto adjust to hold phone more firmly without fears of bumps. Compared to manual lock version which being loose frequently, as its automatic rebound design you no need for secondary adjustment. Special curve of arms fit phone better. The phone was all-round protected by silicone rubber on the inside clamps. NOTE:MAXIMUM THICKNESS OF DEVICE IS 14MM (0.5IN). THE EASIEST OPERATION & JUST SLIDE IN AND GO: Just slide in your phone, car phone holder mount clamps the phone automatically by gravity and provide the easiest operation and a strong stable hold without button to press. Easy to drop phone in and pick phone up with two fingers. Compaired to old car holder, you no longer free hands to spend too much time in looking down to place phone while reseting the navigation route. When getting off car in a hurry, just pick up phone and leave in seconds. Compatible Vehicles:only For 2011 2012 2013 2014 2015 2016 2017 BMW X3 & 2015-2018 X4,The most appropriate location, make sure the phone is in the best viewing Angle. [Non universal model installation].