You can use this Galaxy S9 In Hand Mockup to display your UI Design on Smartphone in your presentation to your customers in a modern and unique way. You just need to put your design in the smart layer and it is done. You can modify it according to your requirements. You need to have photoshop to edit it.
File Format: PSD
Dimensions: 4000×3400 px
Size: 4 Mb
License: Free for personal & commercial use