Network compatibility of devices

Here are the supported frequencies of common smartphones

Apple iPhone 4
2G (GSM/GPRS/EDGE): 800, 850, 900, 1800, 1900 MHz

3G (UMTS/HSDPA/HSUPA): 800, 850, 900, 1900, 2100 MHz

Google Nexus 4
2.5G (GSM/GPRS/EDGE): 850, 900, 1800, 1900 MHz 3G UMTS/HSPA+/DC-HSPA+: 850, 900, 1700, 1900, 2100 MHz

Google Galaxy Nexus
2.5G (GSM/GPRS/EDGE): 850, 900, 1800, 1900 MHz 3G (UMTS/HSPA): 850, 900, 1700, 1900, 2100 MHz

HTC Desire S
2.5G (GSM/GPRS/EDGE): 850, 900, 1800, 1900 MHz 3G (HSDPA 14.4 Mbit/s, HSUPA 5.76 Mbit/s): 900, 1900, 2100 MHz

HTC One X
2G (GSM/GPRS/EDGE): 850, 900, 1800, 1900 MHz 3G (UMTS/HSPA/HSPA+): 850, 900, 1900, 2100 MHz

Samsung Galaxy S (GT-I9000)
2.5G (GSM/GPRS/EDGE): 850, 900, 1,700, 1,800, 1900, 2100 MHz 3G (UMTS/HSPA): 900, 1900, and 2100 MHz