Official Samsung firmware SM-A300F/DS

OverviewSamsung SM-A300F/DSGalaxy A3 Duos

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Model and Features
Model	SamsungSM-A300F/DS
Series	Galaxy A3 Duos
Release Date	November 2014
Depth	6.9 mm (0.27 in)
Size (width x height)	130.1 x 65.5 mm (5.12 x 2.58 in)
Weight	119 g (3.95 oz)
Operating System	Android 4.4.4 (KitKat)
Hardware
CPU	1.2Ghz, Qualcomm Snapdragon 410 MSM8916
CPU Cores	Quad-core
RAM Memory	1GB
Internal Storage	16GB
External Storage	microSD, up to 64 GB (dedicated slot),
Network and Data
Number of sim slots	2 Mini-SIM
2G network	GSM 900/1800/1900MHz
3G network	HSDPA 1900/2100MHz
4G network	LTE LTE2100 (B1)LTE2100 phones support LTE 1900 / 2100MHz (IMT, also refferred as LTE Band 1) band (downlink: 2110 - 2170MHz, uplink: 1920 - 1980MHz), LTE1800 (B3)LTE1800 phones support LTE 1800MHz (LTE Band 3) band (downlink: 1805 - 1880MHz, uplink: 1710 - 1785MHz), LTE2600 (B7)LTE2600 phones support LTE 2600MHz (LTE Band 7) band (downlink: 2620 - 2690MHz, uplink: 2500 - 2570MHz), LTE900 (B8)LTE900 phones support LTE 900MHz (LTE Band 8) band (downlink: 925 - 960MHz, uplink: 880 - 915MHz), LTE800 (B20MHz
5G network	-
Data	GPRS/EDGE
Display
Screen size	4.5 inches (~66% screen-to-body ratio)
Display Type	Super AMOLED capacitive touchscreen,
Display Resolution	540 x 960 pixels (~244 ppi pixel density)
Display Colors	16M colors
Battery and Keyboard
Battery Capacity	removable Li-Po 1900 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0 GAP, SSP, HSP, HFP1.5, A2DP, SPP, OPP, PBAP, MAP, AVRCP 1.3, HID
DLNA	-
GPS	Yes, with A-GPS, GLONASS
Infrared port	-
NFC	Yes
USB	micro-USB 2.0
WiFi	Wi-Fi 802.11 b/g/n