Official Samsung firmware GT-S5303B

OverviewSamsung GT-S5303BGalaxy Pocket Duos

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Model and Features
Model	SamsungGT-S5303B
Series	Galaxy Pocket Duos
Release Date	May, 2013
Depth	13 mm (0.51 in)
Size (width x height)	104.9 x 57.9 mm (4.13 x 2.28 in)
Weight	96 g (3.39 oz)
Operating System	Android Ice Cream Sandwich 4.0.4
Hardware
CPU	850MHz Cortex -A9, Broadcom BCM21654
CPU Cores	Single-core
RAM Memory	512MB
Internal Storage	4GB
External Storage	microSD, up to 32 GB (dedicated slot)
Network and Data
Number of sim slots	2 Mini-SIM
2G network	GSM 850/900/1800/1900MHz
3G network	HSDPA 850/2100MHz
4G network	-
5G network	-
Data	GPRS/EDGE
Display
Screen size	2.8 inches (~40.0% screen-to-body ratio)
Display Type	TFT capacitive touchscreen
Display Resolution	240 x 320 pixels (~143 ppi pixel density)
Display Colors	256K colors
Battery and Keyboard
Battery Capacity	Removable Li-Ion 1200 mAh
Physical keyboard	-
Interfaces
Audio output	3.5mm jack
Bluetooth	version 4.0, A2DP
DLNA	-
GPS	Yes, with A-GPS, GLONASS
Infrared port	-
NFC	-
USB	microUSB 2.0
WiFi	Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct

Region	File name	OS	Firmware	Size	Date	Downloads
ZTM Brazil	GT-S5303B_ZTM_1_20140415104800_l4s8oq0ec3.zip	Android Ice Cream Sandwich 4.0.4	S5303BVJANC1	497.34 MiB	2018-08-10	11time(s)
ZTM Brazil	GT-S5303B_1_20150924090801_nz9btnmqkb_fac.zip	Android Ice Cream Sandwich 4.0.4	S5303BVJANC1	498.8 MiB	2018-10-11	8time(s)
ZTO Brazil	GT-S5303B_ZTO_1_20140113083740_3d3cv6xv9a.zip	Android Ice Cream Sandwich 4.0.4	S5303BVJAMK1	469.37 MiB	2018-08-10	3time(s)
ZTO Brazil	GT-S5303B_1_20150924091313_c5ymjplt0y_fac.zip	Android Ice Cream Sandwich 4.0.4	S5303BVJAMK1	470.8 MiB	2018-10-11	4time(s)