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Sony Xperia ZR
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Android OS, v4.1 (Jelly Bean), upgradable to v4.2.2 (Jelly Bean)
Qualcomm Snapdragon APQ8064 Chipset - Quad-core 1.5 GHz Krait CPU - Adreno 320 GPU
4.55 inches, TFT capacitive touchscreen (720 x 1280 pixels)
Vibration; MP3 ringtones, Loudspeaker, 3.5mm jack
8 GB storage, 2 GB RAM Internal Memory - microSD, up to 32
GB1000 Phonebook entries - Call Recording3G - GPRS - EDGE
Wi-Fi 802.11 a/b/g/n/ac, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot
Bluetooth v4.0 with A2DP - NEC
13.1  MP, (4128x3096) camera  - VGA Secondary Camera
1080p@30fps Video recording
SMS, MMS, Email, IM, Push EmailHTML5Stereo FM radio with RDS; FM recordingGPS with A-GPS support and GLONASSJava with  MIDP emulator
MP4/H.263/H.264/WMV player
MP3/eAAC+/WMA/WAV/Flac player
Li-ion 2300 mAh battery
Stand-by: Up to 470 h (2G) / Up to 520 h (3G)
Talk time: Up to 11 h (2G) / Up to 13 h (3G)
Music play: Up to 45 h
138 g 

Samsung G7102 Galaxy Grand 2 Duos
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Dual SIM
Android OS, v4.3 (Jelly Bean)
Quad-core 1.2 GHz CPU
5.25 inches, TFT capacitive touchscreen (720 x 1280)
Vibration; MP3, WAV ringtones, Loudspeaker, 3.5mm jack    
8 GB, 1.5 GB RAM Internal Memory - microSD, up to 64 GB
3G - GPRS - EDGEWi-Fi 802.11 a/b/g/n
Bluetooth  v4.0 - microUSB v2.0
8 MP, (3264x2448 pixels) camera
1080p@30fps Video recording
HTML5 Browser FM radio GPS with A-GPS, support and GLONASS Java via Java MIDP emulator
MP4/WMV/H.264/H.263 player
MP3/WAV/eAAC+/FLAC player
Li-Ion 2600 mAh battery
(2G) / Up to 370 h (3G) Stand-by
(2G) / Up to 17 h (3G) Talk time
163 g