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alcatel OT-991

Samsung Galaxy Grand Prime

Network
Technology	GSM / HSPA	GSM / HSPA / LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - G530F, G530FZ, G530Y
		GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - G530H, G530FZ/DS
3G Network	HSDPA 850 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 - G530F, G530H, G530FZ, G530Y, G531F
	HSDPA 850 / 1700 / 2100	HSDPA 850 / 1700(AWS) / 1900 - G530T (T-Mobile)
4G Network		1, 3, 5, 7, 8 - G530F
		1, 3, 5, 7, 8, 20 - G530FZ
		1, 3, 5, 8, 28 - G530Y
		1, 3, 5, 8, 20, 40 - G531F LTE band 2, 4, 5, 12 - G530T (T-Mobile)
Speed	HSPA 7.2/0.384 Mbps	HSPA, LTE Cat4 150/50 Mbps

Launch
Announced	2012, February. Released 2012, Q3	2014, September 30. Released 2014, October
Status	Discontinued	Discontinued

Body
Dimensions	122 x 68 x 10.8 mm (4.80 x 2.68 x 0.43 in)	144.8 x 72.1 x 8.6 mm (5.70 x 2.84 x 0.34 in)
Weight	131.3 g (4.62 oz)	156 g (5.50 oz)
Build		Glass front, plastic back, plastic frame
SIM	Mini-SIM	Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)

Display
Type	TFT, 256K colors	TFT
Size	4.0 inches, 47.6 cm2 (~57.4% screen-to-body ratio)	5.0 inches, 68.9 cm2 (~66.0% screen-to-body ratio)
Resolution	320 x 480 pixels, 3:2 ratio (~144 ppi density)	540 x 960 pixels, 16:9 ratio (~220 ppi density)

Platform
OS	Android 2.3 (Gingerbread)	Android 4.4.4 (KitKat), upgradable to 5.0.2/5.1.1 (Lollipop) Android 5.1 (Lollipop) - G531F
Chipset	Mediatek MT6573 (65 nm)	Qualcomm MSM8916 Snapdragon 410 (28 nm) Spreadtrum SC7730 (Value Edition)
CPU	800 MHz Cortex-A9	Quad-core 1.2 GHz Cortex-A53 Quad-core 1.3 GHz Cortex-A7 (Value Edition)
GPU	PowerVR SGX531	Adreno 306 Mali-400 (Value Edition)

Memory
Card slot	microSDHC (dedicated slot)	microSDXC (dedicated slot)
Internal	150MB	8GB 1GB RAM
		eMMC 4.5

Main Camera
Modules	3.15 MP	8 MP, f/2.4, AF
Features	LED flash	LED flash, panorama
Video	Yes	1080p@30fps

Selfie Camera
Modules	Yes	5 MP, f/2.2
Video		1080p@30fps

Sound
Loudspeaker	Yes	Yes
3.5mm jack	Yes	Yes

Comms
WLAN	Wi-Fi 802.11 b/g/n, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth	4.0, A2DP	4.0, A2DP
Positioning	GPS, A-GPS	GPS, GLONASS, BDS
NFC		Yes (G530F, G530FZ models)
Infrared port	No	No
Radio	Stereo FM radio, RDS	FM radio
USB	microUSB 2.0	microUSB 2.0

Features
Sensors	Accelerometer, proximity, compass	Accelerometer, proximity, compass
	MP3/AAC+/WAV/WMA player MP4/H.264 player Document viewer Photo viewer/editor Organizer Voice memo Predictive text input

Battery
Type	Removable Li-Ion 1500 mAh battery	Li-Ion 2600 mAh, removable
Stand-by	Up to 400 h
Talk time	Up to 12 h (2G) / Up to 10 h (3G)	Up to 17 h (3G)
Music play		Up to 75 h

Misc
Colors	Black, White	White, Gray, Gold
SAR EU	0.54 W/kg (head)     0.84 W/kg (body)	0.28 W/kg (head)     0.33 W/kg (body)
Models		SM-G5306W, SM-G5308W, SM-G5309W, SM-G530BT, SM-G530F, SM-G530FQ, SM-G530FZ, SM-G530FZ, SM-G530H, SM-G531F, SM-G531H, SM-G530T, SM-G530W, SM-G530Y, SM-G530AZ, SM-G531Y, SM-G530T1, SM-G531M, SM-G530A, SM-G530M, SM-G531BT, SM-G530MU, SM-G530P
Price	About 130 EUR	About 140 EUR

Tests
Performance		Basemark OS II 2.0: 520 Basemark X: 1904
Display		Contrast ratio: 756 (nominal), 1.935 (sunlight)
Loudspeaker		Voice 63dB / Noise 60dB / Ring 68dB
Audio quality		Noise -95.0dB / Crosstalk -93.9dB