Last week Apple posted the features that behave differently on GSM and CDMA iPhone 4′s. Users who are migrating from AT&T to Verizon should find this useful.
If you are looking for Design differences between AT&T iPhone and Verizon iPhone read Full Comparison: AT&T iPhone 4 Vs. Verizon iPhone 4
These phone features behave differently based on whether you are using a GSM or CDMA network:
- Call forwarding
- Call waiting
- Caller ID
- Conference calls
- Inserting pauses when dialing
- Hold

The following settings and features are not available on iPhone 4 (CDMA model):
- Enabling a SIM PIN
- Importing SIM contacts
- Selecting a carrier network or editing an APN
Here’s the link to Apple’s full post.





