The network frequency band of BlackBerry Curve 8520 is GSM quad band: 850/900/1800/1900 MHz. All of our phones are fully unlocked. Network standard: This phone only supports 2G GSM/GPRS/EDGE networks and does not support 3G or 4G networks.
This product would be a great fit for those seeking an affordable yet powerful smartphone with a long battery life and various connectivity options.
