The Apple iPhone 4S CDMA A1431 16GB (Apple iPhone 4,1) supports 4 GSM bands, 4 UMTS bands, and 2 CDMA bands. See the tables below for details.

This device accepts the following SIM types to connect to mobile networks:

Run a cross-reference compatibility check of this device on a specific network and country using the following links:



Supported Frequency Bands (10)

GSM

Name Interface
850 MHz GSM
900 MHz (E-GSM) GSM
1800 MHz (DCS) GSM
1900 MHz (PCS) GSM

Supported GSM Protocols

Name Generation
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B1 (2100 MHz) UMTS
B2 (1900 MHz PCS) UMTS
B5 (850 MHz) UMTS
B8 (900 MHz GSM) UMTS

Supported UMTS Protocols

Name Generation
UMTS 3G
HSDPA 3.5G
HSUPA 3.5G

CDMA

Name Interface
BC0 (800 MHz) CDMA
BC1 (1900 MHz PCS) CDMA

Supported CDMA Protocols

Name Generation
CDMA2000 1xRTT 3G
CDMA2000 1xEV-DO Rel. 0 3G
CDMA2000 1xEV-DO Rev A 3G


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