Alcatel OT-838 vs Alcatel OT-991
Alcatel OT-838
Alcatel OT-991
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 1900, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-42012-2
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Status2012-62012
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Design
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SIMMini-SIMMini-SIM
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Height115 mm122 mm
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Width61 mm68 mm
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Thickness12.5 mm10.8 mm
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Weight101 g131.3 g
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KeyboardQWERTY-
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ColorsBlack, Lavender, Ocean Blue, RedBlack, White
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Display
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Display typeTFTTFT capacitive touchscreen
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Physical size2.4 inches4.0 inches
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Resolution320 x 240 pixels320 x 480 pixels
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Pixel density167 ppi144 ppi
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Display colors262144262144
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Hardware
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CPU208 MHz800 MHz ARM Cortex-A9
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Chipset-Mediatek MT6573
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GPU-PowerVR SGX531
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Internal storage2 MB150 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB32 GB
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSStereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.1v4.0
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Bluetooth A2DPYesYes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes, via Java MIDP emulator
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Java MIDPMIDP 2.1-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh1500 mAh
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Talk time7 h-
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Talk time 2G-12 h
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Talk time 3G-10 h
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Standby time530 h400 h
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OS
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OS-Android OS, v2.3 (Gingerbread)
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Browser
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HTML-Yes
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