Alcatel OT-813D vs ZTE R221
Alcatel OT-813D
ZTE R221
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2011-52014-12
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Status20112014-12
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height115 mm108 mm
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Width61.1 mm47 mm
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Thickness12.9 mm14 mm
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Weight101 g80 g
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KeyboardQWERTY-
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ColorsBlack, Blue, Gray, Orange, PurpleBlack
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Display
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Display typeTFT resistive touchscreenTFT
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Physical size2.4 inches1.8 inches
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Resolution320 x 240 pixels128 x 160 pixels
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Pixel density167 ppi114 ppi
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Display colors26214466560
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Hardware
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CPU208 MHz
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Internal storage50 MB5 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB2 GB
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Main camera
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Main camera2 MP
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Primary camera resolution1600 x 1200 pixels640 x 480 pixels
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Primary camera videoQCIF@15fpsno
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0
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Bluetoothv2.1
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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WAPWAP 2.0/xHTML-
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JavaYesNo
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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 mAh1000 mAh
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Talk time10 h9 h
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Standby time720 h280 h
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Browser
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Browser-No
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