OS	Microsoft Windows Phone 8.1 with Lumia Cyan / Lumia Denim
Chipset	Qualcomm Snapdragon 400 MSM8926 (28 nm 1.2GHz Quad-Core 32-bit Cortex-A7 Processor with Adreno 305 GPU @ 450MHz) + SensorCore Low-Power Motion Engine
RAM	1GB RAM (Upgraded from 512MB for seamless 4G LTE multitasking and 3D Xbox gaming!)
Storage	8GB
Display	4.5 inches • 480 x 854 pixels (16:9, FWVGA ClearBlack IPS LCD Display, 218 ppi)
Main camera	5.0 MP Autofocus Camera with Nokia Camera Pro: 5.0 MP (1/4" sensor, f/2.4, 28mm wide angle, autofocus, Nokia Pro Camera manual controls, 720p@30fps HD video recording)
Selfie camera	No
Battery	1830 mAh (Removable Li-Ion BL-5H, swappable on the go! Powers over 14 hours calling / 400 hours standby / 58 hours continuous music / 7 hours video!) • Removable Li-Ion (1830mAh BL-5H, swappable on the go!)
Weight	134 g (4.73 oz)

Latest Nokia Lumia 636 user agents:

User Agent	Browser	Platform
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; NOKIA; RM-1027) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Mobile Safari/537.36 Edge/14.14393	Microsoft Edge 14	Windows Phone 10Lumia 636
Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; WebView/3.0; NOKIA; RM-1027) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2486.0 Mobile Safari/537.36 Edge/13.10586	Microsoft Edge 13	Windows Phone 10Lumia 636
Mozilla/5.0 (Mobile; Windows Phone 8.1; Android 4.0; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; RM-1027) like iPhone OS 7_0_3 Mac OS X AppleWebKit/537 (KHTML, like Gecko) Mobile Safari/537	IE Mobile 11	Windows Phone 8Lumia 636
Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11.0; IEMobile/11.0; NOKIA; RM-1027) like Gecko	IE Mobile 11	Windows Phone 8Lumia 636