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SIMs and APNs
SIM¶
Subscriber Identity Module
APN¶
Access Point Name
SIM & APN¶
A SIM can connect to one or many APNs. If you don't know where your SIM came from or what services the plan offers then you'll need to try a couple different APNs. The same goes for Sara G (2.5G GSM/GPRS) and LISA U (3.75G UMTS/HSPA(+)) radios. A SIM may be compatible with services for one or both. This will vary by carrier and plan
| Carrier | APN | Country | Sara G | Lisa U |
|---|---|---|---|---|
| AT&T | "wap.cingular" | US | X | X |
| "phone" | US | X |