Xiaomi Redmi 1S

Launch	Announced	2014, May
Launch	Status	Available. Released 2014, May

Body	Dimensions	137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in)
	Weight	158 g (5.57 oz)
	Build	Plastic body
	SIM	Dual SIM (Mini-SIM, dual stand-by)

Display	Type	IPS LCD capacitive touchscreen, 16M colors
	Size	4.7 inches, 60.9 cm² (~64.4% screen-to-body ratio)
	Resolution	720 x 1280 pixels, 16:9 ratio (~312 ppi density)
	Multitouch	Yes
	Protection	Asahi Dragontrail Glass
		- MIUI 6.0 to 9.2

Platform	OS	Android 4.3 (Jelly Bean), upgradable to 4.4.4 (KitKat)
	Chipset	Qualcomm MSM8228 Snapdragon 400
	CPU	Quad-core 1.6 GHz Cortex-A7
	GPU	Adreno 305

Memory	Card slot	microSD, up to 64 GB (dedicated slot)
	Internal	8 GB, 1 GB RAM

Network	Technology	GSM / HSPA

FASTBOOT ROM

http://bigota.d.miui.com/V9.2.2.0.KHCMIEK/armani_global_images_V9.2.2.0.KHCMIEK_20180122.0000.00_4.4_global_6edab78864.tgz

MIUI 8 Global Stable ROM V8.2.1.0.KHCMIDL

http://bigota.d.miui.com/V8.2.1.0.KHCMIDL/armani_global_images_V8.2.1.0.KHCMIDL_20170111.0000.00_4.4_global_38141329ff.tgz

OFFICIAL ROM XIAOMI