OS	Android 4.4.4 (KitKat), Upgradable to Android 5.1.1 (Lollipop), Pure Stock Android with NXP Smart PA Audio EQ & Dual SIM 4G setups
Chipset	MediaTek MT6752 (28 nm 64-bit 1.7GHz True Octa-Core with 8x Cortex-A53 1.7GHz All Cores Active & ARM Mali-T760 MP2 GPU @ 700MHz with 1080p Hardware Video Decoder + NXP Smart PA Audio Engine)
RAM	2GB / 3GB High-Speed LPDDR3 RAM (3GB RAM Flagship Advanced Edition!)
Storage	16GB Massive High-Speed Internal Storage (12.8GB User Accessible)
Display	5.5 inches • 1080 x 1920 pixels (16:9, 401 ppi Full HD!)
Main camera	13.0 MP Main (Sony Exmor RS IMX214 Sensor, f/2.0 aperture, Dual-LED flash, Autofocus, Face Detection, Panorama, HDR, 1080p@30fps video)
Selfie camera	5.0 MP Wide (88° Wide-angle lens, 720p HD video for Video Calling)
Battery	3000 mAh User-Replaceable / Removable Battery (Powers over 16 hours calling / 450 hours standby!), Micro-USB 2.0 charging • Removable Li-Po 3000 mAh (11.4 Wh)
Weight	158 g (5.57 oz)

Latest Jiayu S3 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Linux; Android 5.1; JIAYU-S3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.92 Mobile Safari/537.36	Chrome Mobile 77	Android 5S3
Mozilla/5.0 (Linux; Android 5.0.2; JIAYU S3 Build/LRX22G) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.98 Mobile Safari/537.36	Chrome Mobile 61	Android 5S3