It's NPC Phone, Not player phone.

Samsung Galaxy S3

Original model: http://tf3dm.com/3d-model/samsung-galaxy-s3-98700.html

How to install?
1. Starts OpenIV
2. x64c.rpf\levels\gta5\props\lev_des\lev_des.rpf
3. Replace prop_amb_phone.ydr and prop_amb_phone.ytd

If you use NPC Phone, install simple trainer and Go to Model Spawning > Scenario Menu > Mobile Film Shocking