Official Samsung firmware SM-J3109

OverviewSamsung SM-J3109Galaxy J3 Duos

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Model and Features
Model	SamsungSM-J3109
Series	Galaxy J3 Duos
Release Date	November, 2015
Depth	7.9 mm (0.31 in)
Size (width x height)	71.12 x 142.3 mm (2.8 x 5.6 in)
Weight	138 g (4.83 oz)
Operating System	Android Lollipop 5.1.1
Hardware
CPU	1300MHz ARM Cortex -A7
CPU Cores	Quad-core
RAM Memory	1.5GB
Internal Storage	8GB
External Storage	microSD, microSDHC, TransFlash, microSDXC up to 256 GB
Network and Data
Number of sim slots	2 Micro-SIM
2G network	GSM 900/1800/1900MHz
3G network	TD-SCDMA 1900/2000MHz/CDMA 800MHz/UMTS 850/900/1900/2100MHz
4G network	LTE 1800 (B3), LTE 2100 (B1), LTE 2600 (B7), TD-LTE 2500 (B41)
5G network	-
Data	GPRS/EDGE
Display
Screen size	5.0 inches (~68.1% screen-to-body ratio)
Display Type	Super AMOLED
Display Resolution	720 x 1280 pixels (~294 ppi pixel density)
Display Colors	16M colors
Battery and Keyboard
Battery Capacity	Removable Li-Ion 2600 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.1, A2DP, AVRCP, HFP, HID, HSP, MAP, OPP, PAN, PBAP
DLNA	-
GPS	Yes, with A-GPS, GLONASS, Geotagging, BeiDou, S-GPS, QuickGPS
Infrared port	-
NFC	Yes
USB	microUSB 2.0, USB charging
WiFi	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi Tethering, Wi-Fi hotspot

Region	File name	OS	Firmware	Size	Date	Downloads
CTC China	SM-J3109_1_20180726180227_ikn159oa5n.zip	Android Lollipop 5.1.1	J3109KES1ARG1	985.25 MiB	2018-10-12	87time(s)
CTC China	SM-J3109_1_20180823104501_7en8qd887x_fac.zip	Android Lollipop 5.1.1	J3109KES1ARG1	985.25 MiB	2018-10-12	36time(s)