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BlackBerry 8520 Curve vs Nokia 2660 Flip

2G Network GSM 850 / 900 / 1800 / 1900 SIM1: GSM: 900 / 1800SIM2: GSM: 900 / 1800  
3G Network No HSDPA 850 / 900 / 2100  
4G Network LTE  
Available
Dimensions N/A  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight 106 g N/A  
Display Type TFT, 65K colors TFT LCD   2ndy display: 1.77 Inches  
Display Size 320 x 240 pixels, 2.46 inches - QWERTY keyboard - Touch-sensitive optical trackpad 2.8 Inches   240 x 320 Pixels (~143 PPI)  
Memory 128MB Built-in, 48MB RAM  
Card slot microSD Card, (supports up to 32GB)  
GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes
EDGE Class 10, 236.8 kbps
3G
WLAN Wi-Fi 802.11b/g WiFi 802.11 b/g/n  
Infrared No
BlueTooth Yes, v2.0 with A2DP Bluetooth v4.2  
USB Yes, microUSB microUSBv2.0  
NFC No  
GPS No Yes + A-GPS support, & GLONASS  
Main Camera 0.3 MP   Video  
Front Camera No Camera  
Chipset Unisoc T107 (22 nm)  
Browser HTML No  
Radio No
Sound 3.5mm Audio Jack, MP3 player, Speaker Phone  
Colors Black Black, Blue, Red  
Battery Standard battery, Li-Ion 1150 mAh Removable 1450 mAh  
StandBy Time Up to 408 h
Misc SMS(threaded view), MMS, IM   SNS applications, Organizer, Voice memo, FlashLight, Games